/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Random521.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-trans.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 21:11:19,285 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 21:11:19,286 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 21:11:19,313 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-06 21:11:19,331 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-06 21:11:19,332 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-06 21:11:19,333 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-06 21:11:19,334 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-06 21:11:19,336 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-06 21:11:19,336 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-06 21:11:19,338 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-06 21:11:19,342 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-06 21:11:19,343 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-06 21:11:19,344 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-06 21:11:19,345 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-06 21:11:19,346 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-06 21:11:19,351 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-06 21:11:19,357 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-06 21:11:19,358 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-06 21:11:19,358 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-06 21:11:19,361 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Random521.epf [2021-06-06 21:11:19,394 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 21:11:19,394 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 21:11:19,394 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 21:11:19,394 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 21:11:19,396 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 21:11:19,396 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 21:11:19,396 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 21:11:19,397 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 21:11:19,397 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 21:11:19,397 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 21:11:19,398 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 21:11:19,398 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 21:11:19,398 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 21:11:19,398 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 21:11:19,398 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 21:11:19,398 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 21:11:19,398 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 21:11:19,398 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 21:11:19,398 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 21:11:19,399 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 21:11:19,399 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 21:11:19,399 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 21:11:19,399 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 21:11:19,399 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 21:11:19,399 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 21:11:19,399 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 21:11:19,399 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 21:11:19,399 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 21:11:19,400 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-06 21:11:19,400 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 21:11:19,400 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 21:11:19,400 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 21:11:19,400 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 21:11:19,400 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 21:11:19,400 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-06 21:11:19,400 INFO L138 SettingsManager]: * Random seed used by POR DFS order=521 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 21:11:19,702 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 21:11:19,717 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 21:11:19,719 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 21:11:19,720 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-06 21:11:19,729 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-06 21:11:19,730 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-trans.wvr.bpl [2021-06-06 21:11:19,738 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-trans.wvr.bpl' [2021-06-06 21:11:19,772 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 21:11:19,774 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-06 21:11:19,775 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 21:11:19,775 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 21:11:19,776 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 21:11:19,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:11:19" (1/1) ... [2021-06-06 21:11:19,795 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:11:19" (1/1) ... [2021-06-06 21:11:19,801 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 21:11:19,802 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 21:11:19,802 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 21:11:19,802 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 21:11:19,808 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:11:19" (1/1) ... [2021-06-06 21:11:19,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:11:19" (1/1) ... [2021-06-06 21:11:19,818 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:11:19" (1/1) ... [2021-06-06 21:11:19,818 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:11:19" (1/1) ... [2021-06-06 21:11:19,824 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:11:19" (1/1) ... [2021-06-06 21:11:19,825 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:11:19" (1/1) ... [2021-06-06 21:11:19,826 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:11:19" (1/1) ... [2021-06-06 21:11:19,827 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 21:11:19,828 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 21:11:19,828 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 21:11:19,828 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 21:11:19,830 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:11:19" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 21:11:19,901 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-06 21:11:19,901 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-06 21:11:19,901 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-06 21:11:19,901 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-06 21:11:19,901 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-06 21:11:19,901 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-06 21:11:19,902 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-06 21:11:19,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 21:11:19,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 21:11:19,903 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-06 21:11:19,903 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-06 21:11:19,903 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-06 21:11:19,904 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 21:11:20,191 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 21:11:20,191 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-06-06 21:11:20,192 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-06-06 21:11:20,192 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-06-06 21:11:20,192 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread3EXIT is neither atomic block end nor error location. [2021-06-06 21:11:20,193 INFO L202 PluginConnector]: Adding new model array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 09:11:20 BoogieIcfgContainer [2021-06-06 21:11:20,193 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 21:11:20,194 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 21:11:20,194 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 21:11:20,196 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 21:11:20,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:11:19" (1/2) ... [2021-06-06 21:11:20,196 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27463f88 and model type array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 09:11:20, skipping insertion in model container [2021-06-06 21:11:20,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 09:11:20" (2/2) ... [2021-06-06 21:11:20,197 INFO L111 eAbstractionObserver]: Analyzing ICFG array-int-trans.wvr.bpl [2021-06-06 21:11:20,201 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 21:11:20,202 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 21:11:20,202 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 21:11:20,202 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 21:11:20,239 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-06 21:11:20,253 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 21:11:20,281 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 21:11:20,281 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 21:11:20,281 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 21:11:20,281 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 21:11:20,281 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 21:11:20,281 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 21:11:20,281 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 21:11:20,281 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 21:11:20,302 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:11:20,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:11:20,305 INFO L82 PathProgramCache]: Analyzing trace with hash 1700915046, now seen corresponding path program 1 times [2021-06-06 21:11:20,310 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:11:20,311 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763802349] [2021-06-06 21:11:20,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:11:20,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:11:20,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:11:20,411 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:11:20,411 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763802349] [2021-06-06 21:11:20,412 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763802349] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 21:11:20,412 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 21:11:20,412 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-06 21:11:20,412 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852188830] [2021-06-06 21:11:20,415 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-06 21:11:20,415 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:11:20,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-06 21:11:20,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-06 21:11:20,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:11:20,427 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:11:20,428 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:11:20,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:11:20,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:11:20,476 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 21:11:20,476 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:11:20,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:11:20,477 INFO L82 PathProgramCache]: Analyzing trace with hash -582748618, now seen corresponding path program 1 times [2021-06-06 21:11:20,477 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:11:20,477 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64082216] [2021-06-06 21:11:20,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:11:20,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:11:20,534 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:11:20,534 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:11:20,534 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64082216] [2021-06-06 21:11:20,534 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64082216] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:11:20,534 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [415135769] [2021-06-06 21:11:20,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:11:20,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:11:20,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-06 21:11:20,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:11:20,704 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:11:20,705 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [415135769] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:11:20,705 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:11:20,705 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-06-06 21:11:20,705 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898255283] [2021-06-06 21:11:20,706 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-06 21:11:20,706 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:11:20,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-06 21:11:20,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-06 21:11:20,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:11:20,707 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:11:20,707 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:11:20,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:11:20,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:11:20,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:11:20,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:21,004 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:11:21,005 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:11:21,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:11:21,005 INFO L82 PathProgramCache]: Analyzing trace with hash -509262588, now seen corresponding path program 1 times [2021-06-06 21:11:21,006 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:11:21,006 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126536081] [2021-06-06 21:11:21,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:11:21,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:11:21,062 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:11:21,062 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:11:21,062 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126536081] [2021-06-06 21:11:21,062 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126536081] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:11:21,062 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [422817013] [2021-06-06 21:11:21,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:11:21,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:11:21,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-06 21:11:21,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:11:21,218 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:11:21,218 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [422817013] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:11:21,218 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:11:21,218 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-06-06 21:11:21,218 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526345584] [2021-06-06 21:11:21,219 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-06 21:11:21,219 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:11:21,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-06 21:11:21,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-06-06 21:11:21,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:11:21,220 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:11:21,220 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:11:21,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:11:21,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:21,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:11:21,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:11:21,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:21,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:21,612 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:11:21,613 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:11:21,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:11:21,614 INFO L82 PathProgramCache]: Analyzing trace with hash 23941024, now seen corresponding path program 1 times [2021-06-06 21:11:21,614 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:11:21,614 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487234126] [2021-06-06 21:11:21,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:11:21,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:11:21,676 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:11:21,676 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:11:21,676 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487234126] [2021-06-06 21:11:21,677 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487234126] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:11:21,677 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [318858804] [2021-06-06 21:11:21,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:11:21,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:11:21,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-06 21:11:21,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:11:21,815 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:11:21,816 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [318858804] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:11:21,816 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:11:21,816 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-06-06 21:11:21,816 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537308868] [2021-06-06 21:11:21,816 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-06 21:11:21,816 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:11:21,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-06 21:11:21,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-06-06 21:11:21,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:11:21,817 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:11:21,817 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:11:21,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:11:21,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:21,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:21,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:11:21,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:11:21,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:21,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:21,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:22,152 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:11:22,153 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:11:22,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:11:22,153 INFO L82 PathProgramCache]: Analyzing trace with hash 762493988, now seen corresponding path program 1 times [2021-06-06 21:11:22,153 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:11:22,153 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362490720] [2021-06-06 21:11:22,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:11:22,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:11:22,246 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 21:11:22,247 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:11:22,247 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362490720] [2021-06-06 21:11:22,247 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362490720] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:11:22,247 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1828523277] [2021-06-06 21:11:22,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-06-06 21:11:22,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:11:22,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-06 21:11:22,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:11:22,382 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 21:11:22,383 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1828523277] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:11:22,383 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:11:22,383 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-06-06 21:11:22,383 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473886013] [2021-06-06 21:11:22,383 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-06 21:11:22,383 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:11:22,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-06 21:11:22,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-06 21:11:22,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:11:22,384 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:11:22,384 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:11:22,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:11:22,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:22,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:22,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:22,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:11:22,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:11:22,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:22,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:22,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:22,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:22,712 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-06-06 21:11:22,713 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:11:22,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:11:22,713 INFO L82 PathProgramCache]: Analyzing trace with hash 1961016892, now seen corresponding path program 1 times [2021-06-06 21:11:22,714 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:11:22,714 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724240472] [2021-06-06 21:11:22,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:11:22,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:11:22,742 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 21:11:22,742 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:11:22,742 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724240472] [2021-06-06 21:11:22,742 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724240472] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:11:22,742 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [379561200] [2021-06-06 21:11:22,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:11:22,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:11:22,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-06 21:11:22,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:11:22,821 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 21:11:22,821 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [379561200] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:11:22,822 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:11:22,822 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-06-06 21:11:22,822 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073698101] [2021-06-06 21:11:22,822 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-06 21:11:22,822 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:11:22,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-06 21:11:22,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-06-06 21:11:22,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:11:22,823 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:11:22,823 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:11:22,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:11:22,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:22,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:22,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:22,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:22,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:11:22,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:11:22,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:22,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:22,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:22,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:22,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:23,121 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:11:23,121 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:11:23,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:11:23,122 INFO L82 PathProgramCache]: Analyzing trace with hash -1108477584, now seen corresponding path program 1 times [2021-06-06 21:11:23,122 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:11:23,122 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419497516] [2021-06-06 21:11:23,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:11:23,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:11:23,462 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:11:23,463 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:11:23,463 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419497516] [2021-06-06 21:11:23,463 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419497516] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:11:23,463 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [577920610] [2021-06-06 21:11:23,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:11:23,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:11:23,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 24 conjunts are in the unsatisfiable core [2021-06-06 21:11:23,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:11:23,913 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:23,914 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:23,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-06-06 21:11:23,921 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-06 21:11:23,927 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:23,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-06 21:11:23,929 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:24,011 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:11:24,015 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:24,016 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:24,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 21:11:24,019 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:24,023 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:24,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 21:11:24,025 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:24,095 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:11:24,109 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:24,109 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:24,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 21:11:24,111 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:24,115 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:24,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 21:11:24,117 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:24,183 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:11:24,195 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-1 vars, End of recursive call: 6 dim-0 vars, and 6 xjuncts. [2021-06-06 21:11:24,195 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:217, output treesize:193 [2021-06-06 21:11:24,744 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:24,745 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:24,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2021-06-06 21:11:24,746 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:24,752 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:24,753 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:24,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 24 [2021-06-06 21:11:24,754 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:24,759 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:24,760 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:24,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-06-06 21:11:24,761 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:24,767 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:24,768 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-06-06 21:11:24,769 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:24,861 INFO L628 ElimStorePlain]: treesize reduction 268, result has 28.3 percent of original size [2021-06-06 21:11:24,861 INFO L518 ElimStorePlain]: Eliminatee v_prenex_10 vanished before elimination [2021-06-06 21:11:24,865 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:24,865 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:24,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-06 21:11:24,867 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:24,870 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:24,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-06 21:11:24,871 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:24,900 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:11:24,901 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 21:11:24,901 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 21:11:24,903 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:24,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-06-06 21:11:24,905 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:24,933 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:11:24,936 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:24,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-06 21:11:24,938 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:24,964 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:11:24,965 INFO L518 ElimStorePlain]: Eliminatee v_prenex_11 vanished before elimination [2021-06-06 21:11:24,965 INFO L518 ElimStorePlain]: Eliminatee v_prenex_17 vanished before elimination [2021-06-06 21:11:24,965 INFO L518 ElimStorePlain]: Eliminatee v_prenex_16 vanished before elimination [2021-06-06 21:11:24,968 INFO L550 ElimStorePlain]: Start of recursive call 1: 10 dim-0 vars, 10 dim-1 vars, End of recursive call: and 5 xjuncts. [2021-06-06 21:11:24,969 INFO L247 ElimStorePlain]: Needed 9 recursive calls to eliminate 20 variables, input treesize:402, output treesize:26 [2021-06-06 21:11:25,008 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:11:25,009 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [577920610] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:11:25,009 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:11:25,009 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 15 [2021-06-06 21:11:25,009 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066299422] [2021-06-06 21:11:25,009 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-06 21:11:25,009 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:11:25,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-06 21:11:25,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-06-06 21:11:25,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:11:25,010 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:11:25,010 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.9333333333333333) internal successors, (29), 15 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:11:25,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:11:25,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:25,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:25,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:25,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:25,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:25,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:11:25,579 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 105 [2021-06-06 21:11:25,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:11:25,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:25,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:25,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:25,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:25,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:25,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:11:25,854 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:11:25,854 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:11:25,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:11:25,854 INFO L82 PathProgramCache]: Analyzing trace with hash -1773525828, now seen corresponding path program 2 times [2021-06-06 21:11:25,854 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:11:25,855 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586122301] [2021-06-06 21:11:25,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:11:25,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:11:26,086 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:11:26,087 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:11:26,087 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586122301] [2021-06-06 21:11:26,087 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586122301] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:11:26,087 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1518103614] [2021-06-06 21:11:26,087 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:11:26,121 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 21:11:26,121 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:11:26,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-06 21:11:26,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:11:26,238 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:26,239 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:26,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2021-06-06 21:11:26,240 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:26,243 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:26,243 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:26,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 23 [2021-06-06 21:11:26,244 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:26,247 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:26,247 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:26,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 24 [2021-06-06 21:11:26,249 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:26,252 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:26,252 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:26,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 15 [2021-06-06 21:11:26,253 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:26,255 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 21:11:26,256 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:26,259 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:26,260 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:26,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2021-06-06 21:11:26,261 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:26,263 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 21:11:26,263 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:26,267 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:26,267 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:26,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2021-06-06 21:11:26,268 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:26,271 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 21:11:26,271 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:26,274 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:26,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 15 [2021-06-06 21:11:26,275 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:26,330 INFO L628 ElimStorePlain]: treesize reduction 78, result has 53.8 percent of original size [2021-06-06 21:11:26,331 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-06 21:11:26,331 INFO L247 ElimStorePlain]: Needed 11 recursive calls to eliminate 1 variables, input treesize:377, output treesize:91 [2021-06-06 21:11:26,460 INFO L446 ElimStorePlain]: Different costs {0=[array_2, v_prenex_22], 1=[array_4, v_prenex_23]} [2021-06-06 21:11:26,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-06 21:11:26,464 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:26,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-06-06 21:11:26,468 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-06 21:11:26,487 INFO L628 ElimStorePlain]: treesize reduction 77, result has 23.8 percent of original size [2021-06-06 21:11:26,487 INFO L518 ElimStorePlain]: Eliminatee v_prenex_22 vanished before elimination [2021-06-06 21:11:26,488 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:26,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-06 21:11:26,489 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:26,494 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:11:26,495 INFO L518 ElimStorePlain]: Eliminatee v_prenex_23 vanished before elimination [2021-06-06 21:11:26,496 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 21:11:26,496 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:99, output treesize:13 [2021-06-06 21:11:26,518 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:11:26,518 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1518103614] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:11:26,518 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:11:26,518 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 17 [2021-06-06 21:11:26,519 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28059680] [2021-06-06 21:11:26,519 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-06 21:11:26,519 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:11:26,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-06 21:11:26,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2021-06-06 21:11:26,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:11:26,519 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:11:26,520 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 1.8235294117647058) internal successors, (31), 17 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:11:26,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:11:26,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:26,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:26,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:26,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:26,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:26,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:11:26,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:11:26,896 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 52 [2021-06-06 21:11:27,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:11:27,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:27,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:27,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:27,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:27,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:27,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:11:27,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 21:11:27,688 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable106 [2021-06-06 21:11:27,688 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:11:27,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:11:27,689 INFO L82 PathProgramCache]: Analyzing trace with hash -41194158, now seen corresponding path program 3 times [2021-06-06 21:11:27,689 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:11:27,689 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953359904] [2021-06-06 21:11:27,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:11:27,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:11:27,802 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:11:27,802 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:11:27,802 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953359904] [2021-06-06 21:11:27,802 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953359904] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:11:27,803 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1050392796] [2021-06-06 21:11:27,803 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:11:27,851 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-06-06 21:11:27,851 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:11:27,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 20 conjunts are in the unsatisfiable core [2021-06-06 21:11:27,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:11:28,007 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:28,008 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:28,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 21:11:28,009 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:28,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 21:11:28,013 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:28,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 21:11:28,017 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:28,019 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:28,021 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:28,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 21:11:28,022 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:28,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 21:11:28,026 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:28,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 21:11:28,029 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:28,094 INFO L628 ElimStorePlain]: treesize reduction 36, result has 67.3 percent of original size [2021-06-06 21:11:28,096 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2021-06-06 21:11:28,096 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:163, output treesize:66 [2021-06-06 21:11:28,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 21:11:28,202 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:28,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 21:11:28,205 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:28,207 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:28,208 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:28,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 21:11:28,209 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:28,211 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:28,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 21:11:28,212 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:28,238 INFO L628 ElimStorePlain]: treesize reduction 38, result has 41.5 percent of original size [2021-06-06 21:11:28,238 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 21:11:28,240 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 21:11:28,240 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:103, output treesize:19 [2021-06-06 21:11:28,267 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:11:28,267 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1050392796] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:11:28,267 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:11:28,267 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 16 [2021-06-06 21:11:28,268 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156499430] [2021-06-06 21:11:28,268 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-06 21:11:28,268 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:11:28,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-06 21:11:28,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2021-06-06 21:11:28,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:11:28,268 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:11:28,268 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.75) internal successors, (28), 16 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:11:28,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:11:28,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:28,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:28,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:28,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:28,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:28,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:11:28,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 21:11:28,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:11:28,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:11:28,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:28,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:28,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:28,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:28,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:28,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:11:28,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 21:11:28,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:11:28,924 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable128,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:11:28,925 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:11:28,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:11:28,925 INFO L82 PathProgramCache]: Analyzing trace with hash -899535074, now seen corresponding path program 4 times [2021-06-06 21:11:28,925 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:11:28,925 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260116768] [2021-06-06 21:11:28,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:11:28,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:11:29,183 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:11:29,183 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:11:29,183 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260116768] [2021-06-06 21:11:29,184 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260116768] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:11:29,184 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [620688660] [2021-06-06 21:11:29,184 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:11:29,215 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 21:11:29,215 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:11:29,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 22 conjunts are in the unsatisfiable core [2021-06-06 21:11:29,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:11:29,356 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:29,356 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:29,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 23 [2021-06-06 21:11:29,357 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:29,360 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:29,360 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:29,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 25 [2021-06-06 21:11:29,361 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-06 21:11:29,364 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:29,365 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:29,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 15 [2021-06-06 21:11:29,366 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:29,369 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:29,369 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:29,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 15 [2021-06-06 21:11:29,371 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:29,373 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:29,374 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:29,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2021-06-06 21:11:29,375 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:29,378 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:29,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2021-06-06 21:11:29,379 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:29,442 INFO L628 ElimStorePlain]: treesize reduction 25, result has 85.4 percent of original size [2021-06-06 21:11:29,443 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 5 xjuncts. [2021-06-06 21:11:29,443 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:209, output treesize:146 [2021-06-06 21:11:29,530 INFO L446 ElimStorePlain]: Different costs {0=[array_2], 1=[array_4]} [2021-06-06 21:11:29,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 21:11:29,535 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:29,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2021-06-06 21:11:29,538 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:29,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-06-06 21:11:29,542 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:29,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-06 21:11:29,546 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:29,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 21:11:29,550 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:29,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-06-06 21:11:29,553 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:29,556 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 21:11:29,556 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:29,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-06-06 21:11:29,560 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:29,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-06-06 21:11:29,564 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:29,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 21:11:29,568 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:29,570 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 21:11:29,571 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:29,573 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 21:11:29,573 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:29,625 INFO L628 ElimStorePlain]: treesize reduction 89, result has 47.0 percent of original size [2021-06-06 21:11:29,628 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:29,628 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:29,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-06 21:11:29,630 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:29,632 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:29,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-06 21:11:29,633 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:29,654 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:11:29,655 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2021-06-06 21:11:29,655 INFO L247 ElimStorePlain]: Needed 15 recursive calls to eliminate 2 variables, input treesize:363, output treesize:57 [2021-06-06 21:11:29,727 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:11:29,727 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [620688660] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:11:29,727 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:11:29,727 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 17 [2021-06-06 21:11:29,728 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672224977] [2021-06-06 21:11:29,728 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-06 21:11:29,728 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:11:29,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-06 21:11:29,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=235, Unknown=0, NotChecked=0, Total=272 [2021-06-06 21:11:29,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:11:29,729 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:11:29,729 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 1.8235294117647058) internal successors, (31), 17 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:11:29,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:11:29,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:29,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:29,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:29,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:29,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:29,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:11:29,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 21:11:29,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:11:29,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:11:30,302 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 59 [2021-06-06 21:11:30,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:11:30,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:30,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:30,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:30,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:30,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:30,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:11:30,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:11:30,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:11:30,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:30,711 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable138,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:11:30,712 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:11:30,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:11:30,712 INFO L82 PathProgramCache]: Analyzing trace with hash 1977027606, now seen corresponding path program 5 times [2021-06-06 21:11:30,712 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:11:30,712 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528762745] [2021-06-06 21:11:30,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:11:30,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:11:31,143 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:11:31,143 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:11:31,143 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528762745] [2021-06-06 21:11:31,143 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528762745] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:11:31,143 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1333514985] [2021-06-06 21:11:31,143 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:11:31,174 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 21:11:31,174 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:11:31,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 36 conjunts are in the unsatisfiable core [2021-06-06 21:11:31,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:11:31,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:31,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:31,593 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:31,594 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:31,595 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:31,595 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:31,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 33 [2021-06-06 21:11:31,597 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:31,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:31,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:31,601 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:31,601 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:31,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2021-06-06 21:11:31,603 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:31,647 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:11:31,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:31,652 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:31,652 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:31,653 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:31,654 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:31,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2021-06-06 21:11:31,655 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:31,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:31,659 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:31,659 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:31,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 23 [2021-06-06 21:11:31,665 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:31,712 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:11:31,718 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-06-06 21:11:31,718 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:206, output treesize:160 [2021-06-06 21:11:32,022 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 74 [2021-06-06 21:11:32,118 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_41, array_4, v_prenex_36, v_prenex_34, v_prenex_38], 3=[array_2, v_prenex_40, v_prenex_35, v_prenex_33, v_prenex_37]} [2021-06-06 21:11:32,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2021-06-06 21:11:32,126 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-06 21:11:32,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2021-06-06 21:11:32,132 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:32,242 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 79 [2021-06-06 21:11:32,242 INFO L628 ElimStorePlain]: treesize reduction 188, result has 47.5 percent of original size [2021-06-06 21:11:32,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-06-06 21:11:32,247 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:32,281 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:11:32,281 INFO L518 ElimStorePlain]: Eliminatee v_prenex_36 vanished before elimination [2021-06-06 21:11:32,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2021-06-06 21:11:32,286 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-06-06 21:11:32,324 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:11:32,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 29 [2021-06-06 21:11:32,329 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:32,364 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:11:32,367 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:32,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-06 21:11:32,368 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:32,403 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:11:32,406 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:32,407 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:32,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-06-06 21:11:32,408 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:32,411 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:32,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-06 21:11:32,412 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:32,419 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:11:32,453 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:11:32,453 INFO L518 ElimStorePlain]: Eliminatee v_prenex_35 vanished before elimination [2021-06-06 21:11:32,456 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:32,457 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:32,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-06 21:11:32,458 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:32,461 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:32,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-06 21:11:32,462 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:32,469 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:11:32,500 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:11:32,503 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:32,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-06 21:11:32,504 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:32,533 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:11:32,536 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 10 dim-1 vars, End of recursive call: and 7 xjuncts. [2021-06-06 21:11:32,536 INFO L247 ElimStorePlain]: Needed 12 recursive calls to eliminate 15 variables, input treesize:374, output treesize:52 [2021-06-06 21:11:32,588 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:11:32,589 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1333514985] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:11:32,589 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:11:32,589 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11] total 21 [2021-06-06 21:11:32,589 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590915991] [2021-06-06 21:11:32,589 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-06 21:11:32,589 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:11:32,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-06 21:11:32,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-06-06 21:11:32,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:11:32,590 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:11:32,590 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.7142857142857142) internal successors, (36), 21 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:11:32,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:11:32,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:32,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:32,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:32,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:32,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:32,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:11:32,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:11:32,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:11:32,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:32,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:11:33,296 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 83 [2021-06-06 21:11:33,473 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 107 [2021-06-06 21:11:33,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:11:33,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:33,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:33,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:33,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:33,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:33,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:11:33,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:11:33,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:11:33,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:33,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:11:33,833 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable152,12 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:11:33,834 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:11:33,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:11:33,834 INFO L82 PathProgramCache]: Analyzing trace with hash -1062064294, now seen corresponding path program 6 times [2021-06-06 21:11:33,834 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:11:33,834 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360270100] [2021-06-06 21:11:33,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:11:33,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:11:34,059 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:11:34,059 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:11:34,059 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360270100] [2021-06-06 21:11:34,059 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360270100] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:11:34,059 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1206154345] [2021-06-06 21:11:34,059 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:11:34,090 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-06-06 21:11:34,090 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:11:34,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-06 21:11:34,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:11:34,190 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:34,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-06-06 21:11:34,192 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:34,194 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:34,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-06-06 21:11:34,196 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:34,198 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:34,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2021-06-06 21:11:34,200 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:34,203 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 21:11:34,204 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:34,243 INFO L628 ElimStorePlain]: treesize reduction 28, result has 68.5 percent of original size [2021-06-06 21:11:34,244 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-06 21:11:34,244 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:129, output treesize:61 [2021-06-06 21:11:34,395 INFO L446 ElimStorePlain]: Different costs {1=[array_2], 3=[array_4]} [2021-06-06 21:11:34,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:34,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 26 [2021-06-06 21:11:34,402 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:34,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:34,405 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2021-06-06 21:11:34,406 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-06 21:11:34,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:34,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2021-06-06 21:11:34,412 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:34,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:34,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2021-06-06 21:11:34,417 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:34,455 INFO L628 ElimStorePlain]: treesize reduction 58, result has 51.3 percent of original size [2021-06-06 21:11:34,457 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:34,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-06 21:11:34,458 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:34,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-06-06 21:11:34,461 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:34,468 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:11:34,485 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:11:34,486 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 21:11:34,486 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:175, output treesize:45 [2021-06-06 21:11:34,552 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:11:34,553 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1206154345] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:11:34,553 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:11:34,553 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13] total 21 [2021-06-06 21:11:34,553 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67079765] [2021-06-06 21:11:34,553 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-06 21:11:34,553 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:11:34,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-06 21:11:34,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=368, Unknown=0, NotChecked=0, Total=420 [2021-06-06 21:11:34,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:11:34,554 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:11:34,554 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.6666666666666667) internal successors, (35), 21 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:11:34,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:11:34,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:34,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:34,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:34,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:34,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:34,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:11:34,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:11:34,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:11:34,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:34,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:11:34,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:11:35,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:11:35,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:35,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:35,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:35,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:35,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:35,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:11:35,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:11:35,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:11:35,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:35,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:11:35,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:35,280 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable191,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:11:35,280 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:11:35,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:11:35,281 INFO L82 PathProgramCache]: Analyzing trace with hash 539276916, now seen corresponding path program 7 times [2021-06-06 21:11:35,281 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:11:35,281 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812537020] [2021-06-06 21:11:35,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:11:35,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:11:35,430 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:11:35,431 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:11:35,431 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812537020] [2021-06-06 21:11:35,431 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812537020] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:11:35,431 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [490276834] [2021-06-06 21:11:35,431 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:11:35,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:11:35,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 26 conjunts are in the unsatisfiable core [2021-06-06 21:11:35,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:11:35,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 21:11:35,664 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:35,667 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:35,667 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:35,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 21:11:35,669 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:35,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 21:11:35,673 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:35,676 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:35,676 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:35,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 21:11:35,677 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:35,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 21:11:35,681 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:35,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 21:11:35,684 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:35,742 INFO L628 ElimStorePlain]: treesize reduction 38, result has 67.8 percent of original size [2021-06-06 21:11:35,744 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2021-06-06 21:11:35,744 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:171, output treesize:70 [2021-06-06 21:11:35,896 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:35,897 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:35,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 21:11:35,898 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:35,901 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:35,901 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:35,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 21:11:35,902 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:35,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 21:11:35,906 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:35,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 21:11:35,910 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:35,937 INFO L628 ElimStorePlain]: treesize reduction 36, result has 41.0 percent of original size [2021-06-06 21:11:35,937 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 21:11:35,938 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 21:11:35,938 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:99, output treesize:19 [2021-06-06 21:11:35,967 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:11:35,967 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [490276834] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:11:35,967 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:11:35,967 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 21 [2021-06-06 21:11:35,967 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327880677] [2021-06-06 21:11:35,968 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-06 21:11:35,968 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:11:35,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-06 21:11:35,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=368, Unknown=0, NotChecked=0, Total=420 [2021-06-06 21:11:35,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:11:35,968 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:11:35,968 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 21 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:11:35,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:11:35,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:35,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:35,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:35,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:35,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:35,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:11:35,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:11:35,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:11:35,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:35,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:11:35,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:35,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:11:36,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:11:36,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:36,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:36,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:36,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:36,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:36,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:11:36,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:11:36,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:11:36,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:36,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:11:36,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:36,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:36,889 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable207 [2021-06-06 21:11:36,889 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:11:36,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:11:36,890 INFO L82 PathProgramCache]: Analyzing trace with hash 261845304, now seen corresponding path program 8 times [2021-06-06 21:11:36,890 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:11:36,890 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868230465] [2021-06-06 21:11:36,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:11:36,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:11:37,108 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:11:37,109 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:11:37,109 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868230465] [2021-06-06 21:11:37,109 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868230465] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:11:37,109 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [384059959] [2021-06-06 21:11:37,109 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:11:37,141 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 21:11:37,141 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:11:37,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-06 21:11:37,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:11:37,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:37,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:37,603 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:37,604 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:37,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 26 [2021-06-06 21:11:37,606 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:37,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:37,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:37,611 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:37,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2021-06-06 21:11:37,613 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-06 21:11:37,693 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:11:37,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:37,698 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:37,699 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:37,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2021-06-06 21:11:37,701 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:37,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:37,706 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:37,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2021-06-06 21:11:37,707 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:37,782 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:11:37,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:37,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:37,787 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:37,789 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:37,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2021-06-06 21:11:37,790 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:37,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:37,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:37,795 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:37,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2021-06-06 21:11:37,796 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:37,860 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:11:37,867 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-1 vars, End of recursive call: 6 dim-0 vars, and 6 xjuncts. [2021-06-06 21:11:37,867 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:299, output treesize:209 [2021-06-06 21:11:38,229 INFO L446 ElimStorePlain]: Different costs {1=[array_4], 21=[array_2]} [2021-06-06 21:11:38,233 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:38,234 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:38,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 21:11:38,235 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:38,240 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:38,240 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:38,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-06-06 21:11:38,241 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:38,246 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:38,246 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:38,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 21:11:38,247 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:38,252 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:38,253 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:38,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-06-06 21:11:38,254 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:38,261 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:38,261 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:38,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2021-06-06 21:11:38,263 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:38,267 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:38,267 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:38,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 21:11:38,268 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:38,273 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:38,274 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:38,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2021-06-06 21:11:38,275 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:38,279 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:38,280 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:38,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 21:11:38,281 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:38,286 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:38,286 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:38,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-06-06 21:11:38,287 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:38,292 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:38,292 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:38,293 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-06 21:11:38,294 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:38,298 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:38,299 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:38,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 21:11:38,300 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:38,304 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:38,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-06-06 21:11:38,305 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:38,500 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 65 [2021-06-06 21:11:38,500 INFO L628 ElimStorePlain]: treesize reduction 104, result has 64.1 percent of original size [2021-06-06 21:11:38,519 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:38,521 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:38,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-06-06 21:11:38,522 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:38,527 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:38,527 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:38,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-06 21:11:38,529 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:38,533 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:38,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-06 21:11:38,534 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:38,613 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:11:38,616 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-1 vars, End of recursive call: and 8 xjuncts. [2021-06-06 21:11:38,616 INFO L247 ElimStorePlain]: Needed 16 recursive calls to eliminate 8 variables, input treesize:435, output treesize:105 [2021-06-06 21:11:38,723 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:11:38,723 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [384059959] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:11:38,723 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:11:38,723 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13] total 23 [2021-06-06 21:11:38,723 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672170819] [2021-06-06 21:11:38,724 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-06 21:11:38,724 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:11:38,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-06 21:11:38,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=449, Unknown=0, NotChecked=0, Total=506 [2021-06-06 21:11:38,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:11:38,724 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:11:38,724 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 1.608695652173913) internal successors, (37), 23 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:11:38,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:11:38,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:38,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:38,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:38,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:38,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:38,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:11:38,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:11:38,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:11:38,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:38,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:11:38,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:38,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:38,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:11:39,055 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 47 [2021-06-06 21:11:39,192 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 78 [2021-06-06 21:11:39,328 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2021-06-06 21:11:39,624 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 109 [2021-06-06 21:11:39,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:11:39,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:39,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:39,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:39,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:39,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:39,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:11:39,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:11:39,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:11:39,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:39,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:11:39,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:39,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:39,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:40,163 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable217,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:11:40,163 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:11:40,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:11:40,164 INFO L82 PathProgramCache]: Analyzing trace with hash -547718860, now seen corresponding path program 9 times [2021-06-06 21:11:40,164 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:11:40,164 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569805152] [2021-06-06 21:11:40,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:11:40,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:11:40,267 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:11:40,267 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:11:40,267 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569805152] [2021-06-06 21:11:40,267 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569805152] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:11:40,267 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [883820185] [2021-06-06 21:11:40,267 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:11:40,311 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-06-06 21:11:40,311 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:11:40,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 22 conjunts are in the unsatisfiable core [2021-06-06 21:11:40,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:11:40,387 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:40,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 21:11:40,388 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:40,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-06-06 21:11:40,391 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:40,409 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:11:40,410 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 21:11:40,410 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:71, output treesize:59 [2021-06-06 21:11:40,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-06-06 21:11:40,486 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-06 21:11:40,496 INFO L628 ElimStorePlain]: treesize reduction 7, result has 61.1 percent of original size [2021-06-06 21:11:40,496 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 21:11:40,497 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 21:11:40,497 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:31, output treesize:11 [2021-06-06 21:11:40,519 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:11:40,520 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [883820185] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:11:40,520 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:11:40,520 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 15 [2021-06-06 21:11:40,520 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975056748] [2021-06-06 21:11:40,520 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-06 21:11:40,520 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:11:40,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-06 21:11:40,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-06-06 21:11:40,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:11:40,521 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:11:40,521 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.9333333333333333) internal successors, (29), 15 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:11:40,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:11:40,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:40,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:40,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:40,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:40,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:40,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:11:40,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:11:40,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:11:40,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:40,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:11:40,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:40,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:40,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:40,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:11:40,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:11:40,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:40,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:40,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:40,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:40,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:40,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:11:40,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:11:40,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:11:40,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:40,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:11:40,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:40,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:40,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:40,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:11:41,060 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable250,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:11:41,061 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:11:41,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:11:41,061 INFO L82 PathProgramCache]: Analyzing trace with hash -695883814, now seen corresponding path program 10 times [2021-06-06 21:11:41,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:11:41,061 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697685617] [2021-06-06 21:11:41,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:11:41,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:11:41,166 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:11:41,166 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:11:41,166 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697685617] [2021-06-06 21:11:41,166 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697685617] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:11:41,166 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [14315240] [2021-06-06 21:11:41,166 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:11:41,206 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 21:11:41,206 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:11:41,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 20 conjunts are in the unsatisfiable core [2021-06-06 21:11:41,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:11:41,267 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:41,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-06-06 21:11:41,269 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:41,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 21:11:41,271 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:41,285 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:11:41,286 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 21:11:41,286 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:57, output treesize:43 [2021-06-06 21:11:41,357 INFO L446 ElimStorePlain]: Different costs {0=[array_2], 1=[array_4]} [2021-06-06 21:11:41,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 21:11:41,362 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:41,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 21:11:41,364 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:41,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 21:11:41,366 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:41,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 21:11:41,369 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:41,383 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-06-06 21:11:41,384 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 21:11:41,384 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 21:11:41,384 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-06 21:11:41,403 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:11:41,403 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [14315240] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:11:41,403 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:11:41,403 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 15 [2021-06-06 21:11:41,403 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012119998] [2021-06-06 21:11:41,404 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-06 21:11:41,404 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:11:41,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-06 21:11:41,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-06-06 21:11:41,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:11:41,404 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:11:41,404 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:11:41,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:11:41,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:41,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:41,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:41,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:41,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:41,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:11:41,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:11:41,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:11:41,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:41,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:11:41,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:41,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:41,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:41,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:11:41,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:11:41,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:11:41,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:41,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:41,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:41,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:41,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:41,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:11:41,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:11:41,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:11:41,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:41,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:11:41,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:41,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:41,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:41,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:41,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:11:41,928 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable259,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:11:41,929 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:11:41,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:11:41,929 INFO L82 PathProgramCache]: Analyzing trace with hash 448347196, now seen corresponding path program 11 times [2021-06-06 21:11:41,929 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:11:41,929 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842863291] [2021-06-06 21:11:41,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:11:41,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:11:42,029 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:11:42,029 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:11:42,030 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842863291] [2021-06-06 21:11:42,030 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842863291] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:11:42,030 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [697872709] [2021-06-06 21:11:42,030 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:11:42,067 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-06 21:11:42,067 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:11:42,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 21 conjunts are in the unsatisfiable core [2021-06-06 21:11:42,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:11:42,145 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:42,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 21:11:42,146 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:42,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-06-06 21:11:42,149 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:42,163 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:11:42,163 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 21:11:42,163 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:61, output treesize:47 [2021-06-06 21:11:42,210 INFO L446 ElimStorePlain]: Different costs {0=[array_2], 1=[array_4]} [2021-06-06 21:11:42,212 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 21:11:42,213 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:42,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 21:11:42,215 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:42,228 INFO L628 ElimStorePlain]: treesize reduction 29, result has 32.6 percent of original size [2021-06-06 21:11:42,228 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 21:11:42,229 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 21:11:42,229 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:57, output treesize:14 [2021-06-06 21:11:42,248 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:11:42,248 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [697872709] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:11:42,248 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:11:42,248 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 16 [2021-06-06 21:11:42,248 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625302044] [2021-06-06 21:11:42,248 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-06 21:11:42,248 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:11:42,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-06 21:11:42,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2021-06-06 21:11:42,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:11:42,249 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:11:42,249 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.8125) internal successors, (29), 16 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:11:42,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:11:42,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:42,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:42,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:42,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:42,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:42,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:11:42,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:11:42,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:11:42,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:42,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:11:42,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:42,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:42,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:42,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:42,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:11:42,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:11:42,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:11:42,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:42,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:42,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:42,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:42,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:42,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:11:42,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:11:42,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:11:42,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:42,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:11:42,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:42,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:42,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:42,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:42,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:11:42,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:11:42,700 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable266 [2021-06-06 21:11:42,700 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:11:42,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:11:42,703 INFO L82 PathProgramCache]: Analyzing trace with hash 117392850, now seen corresponding path program 12 times [2021-06-06 21:11:42,703 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:11:42,703 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55049686] [2021-06-06 21:11:42,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:11:42,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:11:43,009 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:11:43,009 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:11:43,009 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55049686] [2021-06-06 21:11:43,009 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55049686] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:11:43,009 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1393862021] [2021-06-06 21:11:43,009 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:11:43,039 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-06-06 21:11:43,039 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:11:43,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-06 21:11:43,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:11:43,150 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:43,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2021-06-06 21:11:43,151 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:43,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2021-06-06 21:11:43,155 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:43,171 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:11:43,172 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 21:11:43,172 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:85, output treesize:59 [2021-06-06 21:11:43,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-06-06 21:11:43,268 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-06 21:11:43,278 INFO L628 ElimStorePlain]: treesize reduction 7, result has 61.1 percent of original size [2021-06-06 21:11:43,278 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 21:11:43,278 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 21:11:43,279 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:31, output treesize:11 [2021-06-06 21:11:43,301 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:11:43,302 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1393862021] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:11:43,302 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:11:43,302 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 20 [2021-06-06 21:11:43,302 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279161844] [2021-06-06 21:11:43,302 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-06 21:11:43,302 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:11:43,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-06 21:11:43,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-06-06 21:11:43,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:11:43,303 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:11:43,303 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 1.7) internal successors, (34), 20 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:11:43,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:11:43,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:43,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:43,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:43,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:43,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:43,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:11:43,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:11:43,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:11:43,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:43,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:11:43,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:43,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:43,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:43,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:43,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:11:43,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:11:43,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:11:43,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:11:43,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:43,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:43,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:43,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:43,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:43,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:11:43,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:11:43,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:11:43,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:43,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:11:43,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:43,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:43,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:43,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:43,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:11:43,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:11:43,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:11:43,990 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable269 [2021-06-06 21:11:43,990 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:11:43,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:11:43,990 INFO L82 PathProgramCache]: Analyzing trace with hash 1418800414, now seen corresponding path program 13 times [2021-06-06 21:11:43,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:11:43,990 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382361307] [2021-06-06 21:11:43,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:11:43,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:11:44,131 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:11:44,131 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:11:44,131 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382361307] [2021-06-06 21:11:44,131 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382361307] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:11:44,131 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1130276971] [2021-06-06 21:11:44,131 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:11:44,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:11:44,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 26 conjunts are in the unsatisfiable core [2021-06-06 21:11:44,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:11:44,255 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:44,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-06-06 21:11:44,257 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:44,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 21:11:44,260 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:44,274 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:11:44,275 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 21:11:44,275 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:61, output treesize:47 [2021-06-06 21:11:44,356 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:44,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 21:11:44,357 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:44,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 21:11:44,360 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:44,374 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-06 21:11:44,374 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 21:11:44,374 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 21:11:44,374 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-06 21:11:44,397 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:11:44,397 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1130276971] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:11:44,397 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:11:44,397 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 20 [2021-06-06 21:11:44,397 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715153342] [2021-06-06 21:11:44,397 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-06 21:11:44,397 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:11:44,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-06 21:11:44,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-06-06 21:11:44,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:11:44,398 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:11:44,398 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 1.65) internal successors, (33), 20 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:11:44,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:11:44,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:44,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:44,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:44,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:44,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:44,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:11:44,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:11:44,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:11:44,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:44,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:11:44,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:44,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:44,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:44,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:44,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:11:44,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:11:44,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:11:44,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:11:44,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:11:44,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:44,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:44,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:44,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:44,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:44,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:11:44,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:11:44,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:11:44,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:44,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:11:44,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:44,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:44,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:44,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:44,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:11:44,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:11:44,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:11:44,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:44,849 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable279 [2021-06-06 21:11:44,850 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:11:44,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:11:44,850 INFO L82 PathProgramCache]: Analyzing trace with hash 136671536, now seen corresponding path program 14 times [2021-06-06 21:11:44,850 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:11:44,850 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687095035] [2021-06-06 21:11:44,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:11:44,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:11:45,231 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:11:45,231 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:11:45,231 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687095035] [2021-06-06 21:11:45,231 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687095035] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:11:45,231 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [979314437] [2021-06-06 21:11:45,231 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:11:45,262 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 21:11:45,263 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:11:45,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 47 conjunts are in the unsatisfiable core [2021-06-06 21:11:45,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:11:45,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:45,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:45,902 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:45,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:45,905 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:45,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 35 [2021-06-06 21:11:45,908 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-06 21:11:45,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:45,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:45,915 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:45,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:45,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 33 [2021-06-06 21:11:45,917 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:46,006 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:11:46,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:46,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:46,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:46,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:46,014 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:46,017 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:46,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-06-06 21:11:46,019 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:46,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:46,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:46,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:46,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:46,029 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:46,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-06-06 21:11:46,031 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:46,106 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:11:46,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:46,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:46,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:46,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:46,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:46,113 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:46,116 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:46,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-06-06 21:11:46,119 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:46,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:46,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:46,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:46,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:46,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:46,125 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:46,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-06-06 21:11:46,127 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:46,188 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:11:46,207 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-1 vars, End of recursive call: 6 dim-0 vars, and 6 xjuncts. [2021-06-06 21:11:46,207 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:367, output treesize:211 [2021-06-06 21:11:46,722 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 89 [2021-06-06 21:11:47,108 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 102 [2021-06-06 21:11:47,308 INFO L446 ElimStorePlain]: Different costs {6=[array_4, v_prenex_66], 36=[array_2, v_prenex_63]} [2021-06-06 21:11:47,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:47,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:47,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:47,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:47,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:47,319 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:47,323 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:47,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 33 [2021-06-06 21:11:47,325 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:47,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:47,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:47,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:47,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:47,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:47,334 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:47,337 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:47,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 33 [2021-06-06 21:11:47,340 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:47,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:47,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:47,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:47,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:47,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:47,349 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:47,352 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:47,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 41 [2021-06-06 21:11:47,355 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 4 xjuncts. [2021-06-06 21:11:47,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:47,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:47,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:47,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:47,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:47,364 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:47,368 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:47,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 35 [2021-06-06 21:11:47,370 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-06-06 21:11:47,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:47,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:47,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:47,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:47,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:47,380 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:47,384 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:47,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 37 [2021-06-06 21:11:47,386 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2021-06-06 21:11:47,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:47,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:47,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:47,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:47,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:47,396 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:47,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 44 [2021-06-06 21:11:47,398 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2021-06-06 21:11:47,696 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 141 [2021-06-06 21:11:47,697 INFO L628 ElimStorePlain]: treesize reduction 203, result has 71.9 percent of original size [2021-06-06 21:11:47,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:47,717 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:47,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:47,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:47,720 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:47,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2021-06-06 21:11:47,723 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:47,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:47,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:47,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:47,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 20 [2021-06-06 21:11:47,736 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:47,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:47,743 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:47,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:47,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:47,745 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:47,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2021-06-06 21:11:47,749 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:47,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:47,757 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:47,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:47,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:47,759 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:47,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-06-06 21:11:47,763 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:47,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:47,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:47,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:47,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 20 [2021-06-06 21:11:47,772 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:47,883 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2021-06-06 21:11:47,883 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:11:47,889 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:47,890 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:47,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2021-06-06 21:11:47,891 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:47,896 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:47,897 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:47,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2021-06-06 21:11:47,898 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:47,907 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:11:47,912 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:47,913 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:47,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-06-06 21:11:47,914 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:47,920 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:47,921 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:47,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-06-06 21:11:47,922 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:47,930 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:11:47,936 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:47,936 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:47,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 15 [2021-06-06 21:11:47,937 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:47,943 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:47,943 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:47,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2021-06-06 21:11:47,944 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:47,956 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:11:47,962 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:47,962 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:47,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-06 21:11:47,963 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:47,968 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:47,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-06 21:11:47,969 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:47,977 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:11:48,085 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-06-06 21:11:48,085 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:11:48,090 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:48,090 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:48,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-06-06 21:11:48,091 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:48,096 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:48,096 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:48,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-06 21:11:48,097 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:48,101 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:48,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-06 21:11:48,102 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:48,198 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:11:48,204 INFO L550 ElimStorePlain]: Start of recursive call 1: 14 dim-0 vars, 4 dim-1 vars, End of recursive call: and 12 xjuncts. [2021-06-06 21:11:48,204 INFO L247 ElimStorePlain]: Needed 23 recursive calls to eliminate 18 variables, input treesize:731, output treesize:112 [2021-06-06 21:11:48,278 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:11:48,279 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [979314437] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:11:48,279 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:11:48,279 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15] total 27 [2021-06-06 21:11:48,279 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530032045] [2021-06-06 21:11:48,279 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-06 21:11:48,279 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:11:48,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-06 21:11:48,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=643, Unknown=0, NotChecked=0, Total=702 [2021-06-06 21:11:48,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:11:48,280 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:11:48,280 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 1.5185185185185186) internal successors, (41), 27 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:11:48,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:11:48,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:48,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:48,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:48,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:48,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:48,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:11:48,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:11:48,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:11:48,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:48,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:11:48,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:48,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:48,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:48,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:48,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:11:48,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:11:48,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:11:48,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:48,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:11:49,480 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 87 [2021-06-06 21:11:49,680 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 85 [2021-06-06 21:11:50,001 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 134 [2021-06-06 21:11:50,653 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 100 [2021-06-06 21:11:50,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:11:50,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:50,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:50,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:50,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:50,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:50,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:11:50,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:11:50,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:11:50,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:50,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:11:50,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:50,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:50,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:50,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:50,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:11:50,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:11:50,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:11:50,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:50,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:11:50,856 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable282 [2021-06-06 21:11:50,856 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:11:50,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:11:50,856 INFO L82 PathProgramCache]: Analyzing trace with hash 953857404, now seen corresponding path program 15 times [2021-06-06 21:11:50,856 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:11:50,857 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231992511] [2021-06-06 21:11:50,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:11:50,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:11:51,127 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:11:51,127 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:11:51,127 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231992511] [2021-06-06 21:11:51,127 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231992511] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:11:51,127 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2047575740] [2021-06-06 21:11:51,127 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:11:51,169 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-06 21:11:51,169 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:11:51,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 40 conjunts are in the unsatisfiable core [2021-06-06 21:11:51,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:11:51,284 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:51,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-06-06 21:11:51,285 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:51,287 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:51,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2021-06-06 21:11:51,288 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:51,291 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:51,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 21:11:51,291 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:51,293 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-06-06 21:11:51,294 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:51,330 INFO L628 ElimStorePlain]: treesize reduction 28, result has 68.5 percent of original size [2021-06-06 21:11:51,331 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-06 21:11:51,331 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:129, output treesize:61 [2021-06-06 21:11:51,553 INFO L446 ElimStorePlain]: Different costs {3=[array_2], 6=[array_4]} [2021-06-06 21:11:51,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:51,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:51,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:51,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-06-06 21:11:51,561 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:51,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:51,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:51,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:51,566 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 35 [2021-06-06 21:11:51,568 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-06 21:11:51,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:51,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:51,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:51,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 33 [2021-06-06 21:11:51,574 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:51,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:51,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:51,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:51,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-06-06 21:11:51,587 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:51,626 INFO L628 ElimStorePlain]: treesize reduction 58, result has 51.3 percent of original size [2021-06-06 21:11:51,629 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:51,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-06-06 21:11:51,630 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:51,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-06 21:11:51,633 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:51,639 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:11:51,655 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:11:51,655 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 21:11:51,655 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:219, output treesize:45 [2021-06-06 21:11:51,725 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:11:51,725 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2047575740] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:11:51,726 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:11:51,726 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 26 [2021-06-06 21:11:51,726 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34129814] [2021-06-06 21:11:51,726 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-06-06 21:11:51,726 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:11:51,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-06-06 21:11:51,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=585, Unknown=0, NotChecked=0, Total=650 [2021-06-06 21:11:51,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:11:51,727 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:11:51,727 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 1.5384615384615385) internal successors, (40), 26 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:11:51,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:11:51,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:51,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:51,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:51,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:51,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:51,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:11:51,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:11:51,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:11:51,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:51,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:11:51,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:51,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:51,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:51,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:51,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:11:51,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:11:51,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:11:51,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:51,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:11:51,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:11:52,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:11:52,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:52,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:52,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:52,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:52,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:52,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:11:52,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:11:52,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:11:52,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:52,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:11:52,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:52,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:52,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:52,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:52,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:11:52,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:11:52,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:11:52,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:52,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:11:52,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:11:52,720 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable322 [2021-06-06 21:11:52,720 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:11:52,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:11:52,720 INFO L82 PathProgramCache]: Analyzing trace with hash -1391659886, now seen corresponding path program 16 times [2021-06-06 21:11:52,720 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:11:52,720 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717204746] [2021-06-06 21:11:52,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:11:52,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:11:52,941 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:11:52,942 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:11:52,942 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717204746] [2021-06-06 21:11:52,942 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717204746] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:11:52,942 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [411564959] [2021-06-06 21:11:52,942 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:11:52,976 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 21:11:52,976 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:11:52,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 32 conjunts are in the unsatisfiable core [2021-06-06 21:11:52,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:11:53,201 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:53,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 21:11:53,202 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:53,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 21:11:53,205 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:53,208 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:53,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 21:11:53,209 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:53,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 21:11:53,212 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:53,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 21:11:53,214 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:53,216 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 21:11:53,225 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:53,259 INFO L628 ElimStorePlain]: treesize reduction 17, result has 72.1 percent of original size [2021-06-06 21:11:53,260 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-06 21:11:53,260 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:125, output treesize:44 [2021-06-06 21:11:53,416 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:53,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 21:11:53,417 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:53,418 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:53,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 21:11:53,419 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:53,421 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 21:11:53,421 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:53,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 21:11:53,424 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:53,436 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-06-06 21:11:53,436 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 21:11:53,436 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 21:11:53,437 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-06 21:11:53,466 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:11:53,466 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [411564959] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:11:53,466 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:11:53,466 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 31 [2021-06-06 21:11:53,466 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209204263] [2021-06-06 21:11:53,467 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-06 21:11:53,467 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:11:53,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-06 21:11:53,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=857, Unknown=0, NotChecked=0, Total=930 [2021-06-06 21:11:53,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:11:53,467 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:11:53,467 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.5483870967741935) internal successors, (48), 31 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:11:53,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:11:53,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:53,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:53,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:53,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:53,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:53,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:11:53,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:11:53,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:11:53,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:53,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:11:53,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:53,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:53,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:53,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:53,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:11:53,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:11:53,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:11:53,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:53,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:11:53,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:11:53,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:11:54,714 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 113 [2021-06-06 21:11:54,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:11:54,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:54,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:54,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:54,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:54,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:54,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:11:54,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:11:54,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:11:54,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:54,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:11:54,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:54,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:54,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:54,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:54,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:11:54,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:11:54,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:11:54,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:54,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:11:54,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:11:54,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:11:54,983 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable340,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:11:54,984 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:11:54,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:11:54,984 INFO L82 PathProgramCache]: Analyzing trace with hash -954618018, now seen corresponding path program 17 times [2021-06-06 21:11:54,984 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:11:54,984 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783569634] [2021-06-06 21:11:54,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:11:54,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:11:55,291 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:11:55,291 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:11:55,291 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783569634] [2021-06-06 21:11:55,292 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783569634] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:11:55,292 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [720962109] [2021-06-06 21:11:55,292 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:11:55,325 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-06 21:11:55,326 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:11:55,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 40 conjunts are in the unsatisfiable core [2021-06-06 21:11:55,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:11:55,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:55,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:55,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:55,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:55,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:55,990 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:55,993 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:55,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-06-06 21:11:55,995 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:55,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:56,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:56,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:56,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:56,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:56,002 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:56,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-06-06 21:11:56,003 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:56,076 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:11:56,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:56,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:56,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:56,084 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:56,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:56,090 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:56,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 35 [2021-06-06 21:11:56,094 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-06 21:11:56,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:56,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:56,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:56,099 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:56,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:56,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 33 [2021-06-06 21:11:56,102 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:56,166 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:11:56,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:56,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:56,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:56,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:56,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:56,174 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:56,177 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:56,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-06-06 21:11:56,179 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:56,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:56,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:56,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:56,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:56,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:11:56,185 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:56,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-06-06 21:11:56,189 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:56,240 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:11:56,246 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-1 vars, End of recursive call: 6 dim-0 vars, and 6 xjuncts. [2021-06-06 21:11:56,246 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:335, output treesize:179 [2021-06-06 21:11:56,756 INFO L446 ElimStorePlain]: Different costs {1=[array_4], 21=[array_2]} [2021-06-06 21:11:56,760 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:56,760 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:56,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2021-06-06 21:11:56,761 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:56,773 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:56,773 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:56,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-06 21:11:56,775 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:56,779 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:56,779 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:56,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2021-06-06 21:11:56,780 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:56,784 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:56,784 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:56,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-06-06 21:11:56,785 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:56,789 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:56,789 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:56,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 21:11:56,790 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:56,794 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:56,794 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:56,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 21:11:56,795 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:56,798 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:56,799 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:56,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 21:11:56,799 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:56,803 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:56,803 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:56,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-06-06 21:11:56,804 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:56,808 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:56,808 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:56,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-06-06 21:11:56,809 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:56,813 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:56,813 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:56,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 21:11:56,814 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:56,818 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:56,818 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:56,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 21:11:56,819 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:56,822 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:56,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-06-06 21:11:56,823 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:56,964 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 55 [2021-06-06 21:11:56,965 INFO L628 ElimStorePlain]: treesize reduction 98, result has 62.3 percent of original size [2021-06-06 21:11:56,968 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:56,969 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:56,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-06 21:11:56,970 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:56,973 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:56,989 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:56,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-06-06 21:11:56,990 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:56,994 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:11:56,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-06 21:11:56,995 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-06 21:11:57,051 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:11:57,053 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-1 vars, End of recursive call: and 8 xjuncts. [2021-06-06 21:11:57,053 INFO L247 ElimStorePlain]: Needed 16 recursive calls to eliminate 8 variables, input treesize:405, output treesize:96 [2021-06-06 21:11:57,173 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:11:57,174 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [720962109] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:11:57,174 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:11:57,174 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 29 [2021-06-06 21:11:57,174 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520373831] [2021-06-06 21:11:57,174 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-06-06 21:11:57,174 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:11:57,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-06-06 21:11:57,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=748, Unknown=0, NotChecked=0, Total=812 [2021-06-06 21:11:57,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:11:57,175 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:11:57,175 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 1.4827586206896552) internal successors, (43), 29 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:11:57,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:11:57,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:57,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:57,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:11:57,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:57,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:11:57,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:11:57,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:11:57,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:11:57,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:57,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:11:57,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:57,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:57,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:57,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:57,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:11:57,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:11:57,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:11:57,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:11:57,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:11:57,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:11:57,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:11:57,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:11:57,906 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 54 [2021-06-06 21:11:58,141 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 86 [2021-06-06 21:11:58,359 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 87 [2021-06-06 21:11:58,603 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 87 [2021-06-06 21:11:59,009 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 120 [2021-06-06 21:11:59,545 WARN L205 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 129 [2021-06-06 21:12:00,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:12:00,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:00,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:12:00,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:12:00,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:00,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:00,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:12:00,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:00,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:12:00,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:00,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:12:00,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:00,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:00,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:00,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:00,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:12:00,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:12:00,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:12:00,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:00,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:00,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:00,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:00,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:12:01,099 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable348 [2021-06-06 21:12:01,099 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:12:01,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:12:01,099 INFO L82 PathProgramCache]: Analyzing trace with hash -1552257284, now seen corresponding path program 18 times [2021-06-06 21:12:01,100 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:12:01,100 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987086576] [2021-06-06 21:12:01,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:12:01,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:12:01,235 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:12:01,235 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:12:01,235 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987086576] [2021-06-06 21:12:01,235 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987086576] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:12:01,235 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [545204359] [2021-06-06 21:12:01,235 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:12:01,266 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-06-06 21:12:01,266 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:12:01,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 26 conjunts are in the unsatisfiable core [2021-06-06 21:12:01,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:12:01,352 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:01,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-06-06 21:12:01,353 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:01,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 21:12:01,355 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:01,369 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:12:01,370 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 21:12:01,370 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:57, output treesize:43 [2021-06-06 21:12:01,460 INFO L446 ElimStorePlain]: Different costs {0=[array_2], 1=[array_4]} [2021-06-06 21:12:01,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 21:12:01,463 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:01,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 21:12:01,466 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:01,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 21:12:01,469 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:01,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 21:12:01,472 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:01,489 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-06-06 21:12:01,489 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 21:12:01,490 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 21:12:01,490 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-06 21:12:01,519 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:12:01,520 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [545204359] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:12:01,520 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:12:01,520 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13] total 21 [2021-06-06 21:12:01,520 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211716978] [2021-06-06 21:12:01,520 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-06 21:12:01,520 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:12:01,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-06 21:12:01,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=374, Unknown=0, NotChecked=0, Total=420 [2021-06-06 21:12:01,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:12:01,521 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:12:01,521 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.7142857142857142) internal successors, (36), 21 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:12:01,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:12:01,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:01,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:12:01,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:12:01,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:01,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:01,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:12:01,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:01,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:12:01,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:01,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:12:01,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:01,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:01,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:01,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:01,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:12:01,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:12:01,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:12:01,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:01,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:01,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:01,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:01,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:12:01,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:12:02,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:12:02,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:02,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:12:02,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:12:02,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:02,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:02,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:12:02,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:02,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:12:02,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:02,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:12:02,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:02,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:02,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:02,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:02,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:12:02,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:12:02,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:12:02,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:02,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:02,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:02,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:02,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:12:02,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:02,365 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable372,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:12:02,365 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:12:02,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:12:02,365 INFO L82 PathProgramCache]: Analyzing trace with hash 540806644, now seen corresponding path program 19 times [2021-06-06 21:12:02,366 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:12:02,366 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299306834] [2021-06-06 21:12:02,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:12:02,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:12:02,681 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:12:02,681 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:12:02,681 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299306834] [2021-06-06 21:12:02,681 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299306834] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:12:02,681 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1923066507] [2021-06-06 21:12:02,681 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:12:02,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:12:02,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 40 conjunts are in the unsatisfiable core [2021-06-06 21:12:02,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:12:02,881 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:02,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2021-06-06 21:12:02,885 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:02,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 31 [2021-06-06 21:12:02,888 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:02,913 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:12:02,913 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 21:12:02,914 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:99, output treesize:59 [2021-06-06 21:12:03,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-06-06 21:12:03,046 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-06 21:12:03,055 INFO L628 ElimStorePlain]: treesize reduction 7, result has 61.1 percent of original size [2021-06-06 21:12:03,055 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 21:12:03,055 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 21:12:03,055 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:31, output treesize:11 [2021-06-06 21:12:03,081 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:12:03,081 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1923066507] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:12:03,081 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:12:03,082 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 25 [2021-06-06 21:12:03,082 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562616830] [2021-06-06 21:12:03,082 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-06 21:12:03,082 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:12:03,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-06 21:12:03,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=540, Unknown=0, NotChecked=0, Total=600 [2021-06-06 21:12:03,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:12:03,082 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:12:03,082 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.56) internal successors, (39), 25 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:12:03,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:12:03,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:03,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:12:03,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:12:03,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:03,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:03,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:12:03,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:03,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:12:03,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:03,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:12:03,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:03,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:03,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:03,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:03,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:12:03,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:12:03,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:12:03,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:03,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:03,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:03,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:03,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:12:03,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:03,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:12:03,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:12:03,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:03,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:12:03,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:12:03,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:03,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:03,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:12:03,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:03,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:12:03,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:03,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:12:03,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:03,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:03,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:03,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:03,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:12:03,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:12:03,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:12:03,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:03,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:03,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:03,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:03,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:12:03,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:03,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 21:12:03,842 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable379 [2021-06-06 21:12:03,842 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:12:03,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:12:03,842 INFO L82 PathProgramCache]: Analyzing trace with hash 597143864, now seen corresponding path program 20 times [2021-06-06 21:12:03,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:12:03,842 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860769661] [2021-06-06 21:12:03,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:12:03,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:12:04,024 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:12:04,024 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:12:04,024 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860769661] [2021-06-06 21:12:04,024 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860769661] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:12:04,024 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2049317587] [2021-06-06 21:12:04,024 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:12:04,067 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 21:12:04,068 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:12:04,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 32 conjunts are in the unsatisfiable core [2021-06-06 21:12:04,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:12:04,194 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:04,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-06-06 21:12:04,195 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:04,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 21:12:04,198 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:04,211 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:12:04,212 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 21:12:04,212 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:61, output treesize:47 [2021-06-06 21:12:04,316 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:04,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 21:12:04,317 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:04,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 21:12:04,321 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:04,333 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-06 21:12:04,333 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 21:12:04,334 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 21:12:04,334 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-06 21:12:04,357 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:12:04,358 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2049317587] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:12:04,358 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:12:04,358 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 25 [2021-06-06 21:12:04,358 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176958676] [2021-06-06 21:12:04,358 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-06 21:12:04,358 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:12:04,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-06 21:12:04,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=540, Unknown=0, NotChecked=0, Total=600 [2021-06-06 21:12:04,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:12:04,359 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:12:04,359 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.52) internal successors, (38), 25 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:12:04,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:12:04,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:04,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:12:04,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:12:04,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:04,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:04,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:12:04,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:04,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:12:04,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:04,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:12:04,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:04,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:04,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:04,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:04,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:12:04,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:12:04,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:12:04,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:04,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:04,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:04,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:04,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:12:04,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:04,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 21:12:04,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:12:04,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:12:04,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:04,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:12:04,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:12:04,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:04,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:04,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:12:04,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:04,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:12:04,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:04,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:12:04,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:04,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:04,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:04,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:04,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:12:04,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:12:04,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:12:04,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:04,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:04,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:04,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:04,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:12:04,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:04,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 21:12:04,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:05,036 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable390,27 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:12:05,037 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:12:05,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:12:05,037 INFO L82 PathProgramCache]: Analyzing trace with hash 435122262, now seen corresponding path program 21 times [2021-06-06 21:12:05,037 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:12:05,037 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260168951] [2021-06-06 21:12:05,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:12:05,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:12:05,593 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:12:05,593 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:12:05,594 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260168951] [2021-06-06 21:12:05,597 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260168951] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:12:05,597 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1144345879] [2021-06-06 21:12:05,597 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:12:05,635 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-06 21:12:05,635 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:12:05,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 59 conjunts are in the unsatisfiable core [2021-06-06 21:12:05,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:12:06,600 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-06-06 21:12:06,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:06,654 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:06,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:06,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:06,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:06,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:06,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:06,657 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:06,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:06,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:06,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:06,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:06,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:06,660 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:06,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:06,661 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:06,662 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:06,665 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:06,668 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:06,669 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:06,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 53 [2021-06-06 21:12:06,671 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:06,675 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:06,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:06,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:06,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:06,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:06,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:06,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:06,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:06,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:06,680 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:06,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:06,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:06,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:06,682 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:06,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:06,683 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:06,684 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:06,688 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:06,690 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:06,691 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:06,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 69 [2021-06-06 21:12:06,694 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:06,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:06,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:06,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:06,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:06,701 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:06,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:06,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:06,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:06,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:06,703 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:06,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:06,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:06,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:06,705 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:06,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:06,706 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:06,709 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:06,711 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:06,713 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:06,714 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:06,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 61 [2021-06-06 21:12:06,716 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:06,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:06,721 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:06,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:06,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:06,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:06,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:06,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:06,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:06,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:06,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:06,726 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:06,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:06,727 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:06,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:06,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:06,729 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:06,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 61 [2021-06-06 21:12:06,730 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:06,818 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:12:06,828 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-06-06 21:12:06,829 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:439, output treesize:367 [2021-06-06 21:12:07,279 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 110 [2021-06-06 21:12:07,975 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_94, v_prenex_92, v_prenex_98, v_prenex_96, array_4], 10=[v_prenex_93, v_prenex_91, v_prenex_97, array_2, v_prenex_95]} [2021-06-06 21:12:07,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 40 [2021-06-06 21:12:07,988 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:07,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 42 [2021-06-06 21:12:07,996 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-06 21:12:08,165 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 103 [2021-06-06 21:12:08,165 INFO L628 ElimStorePlain]: treesize reduction 362, result has 35.9 percent of original size [2021-06-06 21:12:08,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 42 [2021-06-06 21:12:08,171 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-06 21:12:08,210 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:12:08,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 38 [2021-06-06 21:12:08,215 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:08,249 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:12:08,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 45 [2021-06-06 21:12:08,254 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:08,281 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:12:08,281 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 21:12:08,284 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:08,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-06 21:12:08,285 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:08,311 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:12:08,314 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:08,315 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:08,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-06 21:12:08,316 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:08,319 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:08,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-06 21:12:08,319 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:08,326 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:12:08,351 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:12:08,355 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:08,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2021-06-06 21:12:08,356 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:08,380 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:12:08,380 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 21:12:08,382 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:08,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2021-06-06 21:12:08,384 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:08,407 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:12:08,409 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 10 dim-1 vars, End of recursive call: and 7 xjuncts. [2021-06-06 21:12:08,409 INFO L247 ElimStorePlain]: Needed 11 recursive calls to eliminate 15 variables, input treesize:617, output treesize:44 [2021-06-06 21:12:08,483 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:12:08,483 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1144345879] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:12:08,483 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:12:08,483 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18] total 34 [2021-06-06 21:12:08,484 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452426122] [2021-06-06 21:12:08,484 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-06-06 21:12:08,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:12:08,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-06-06 21:12:08,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=1048, Unknown=0, NotChecked=0, Total=1122 [2021-06-06 21:12:08,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:12:08,484 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:12:08,484 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 1.411764705882353) internal successors, (48), 34 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:12:08,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:12:08,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:08,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:12:08,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:12:08,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:08,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:08,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:12:08,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:08,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:12:08,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:08,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:12:08,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:08,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:08,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:08,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:08,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:12:08,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:12:08,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:12:08,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:08,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:08,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:08,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:08,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:12:08,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:08,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 21:12:08,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:08,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:12:09,843 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 93 [2021-06-06 21:12:10,153 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 145 [2021-06-06 21:12:10,522 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 111 [2021-06-06 21:12:10,927 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 116 [2021-06-06 21:12:11,428 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 174 [2021-06-06 21:12:12,291 WARN L205 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 215 [2021-06-06 21:12:12,856 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 138 [2021-06-06 21:12:13,146 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2021-06-06 21:12:13,500 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 107 [2021-06-06 21:12:13,852 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 162 [2021-06-06 21:12:14,540 WARN L205 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 203 [2021-06-06 21:12:14,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:12:14,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:14,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:12:14,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:12:14,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:14,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:14,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:12:14,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:14,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:12:14,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:14,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:12:14,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:14,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:14,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:14,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:14,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:12:14,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:12:14,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:12:14,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:14,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:14,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:14,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:14,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:12:14,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:14,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 21:12:14,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:14,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 21:12:15,055 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable393,28 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:12:15,055 INFO L430 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:12:15,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:12:15,056 INFO L82 PathProgramCache]: Analyzing trace with hash -1259384166, now seen corresponding path program 22 times [2021-06-06 21:12:15,056 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:12:15,056 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624292995] [2021-06-06 21:12:15,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:12:15,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:12:15,452 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:12:15,452 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:12:15,452 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624292995] [2021-06-06 21:12:15,452 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624292995] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:12:15,452 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1827854025] [2021-06-06 21:12:15,452 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:12:15,487 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 21:12:15,487 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:12:15,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 50 conjunts are in the unsatisfiable core [2021-06-06 21:12:15,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:12:15,993 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:15,993 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:15,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 21:12:15,994 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:15,998 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:15,998 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:15,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-06-06 21:12:15,999 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:16,003 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:16,003 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:16,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 21:12:16,004 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:16,007 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:16,007 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:16,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 21:12:16,008 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:16,011 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:16,012 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:16,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 21:12:16,012 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:16,015 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:16,015 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-06 21:12:16,016 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:16,149 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2021-06-06 21:12:16,149 INFO L628 ElimStorePlain]: treesize reduction 2, result has 99.0 percent of original size [2021-06-06 21:12:16,154 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 6 xjuncts. [2021-06-06 21:12:16,154 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:253, output treesize:181 [2021-06-06 21:12:16,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:16,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:16,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:16,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:16,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:16,836 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:16,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:16,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:16,840 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:16,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 40 [2021-06-06 21:12:16,844 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:16,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:16,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:16,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:16,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:16,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:16,849 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:16,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:16,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:16,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 42 [2021-06-06 21:12:16,855 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-06 21:12:16,884 INFO L628 ElimStorePlain]: treesize reduction 122, result has 19.7 percent of original size [2021-06-06 21:12:16,886 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:16,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-06 21:12:16,887 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:16,894 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:12:16,894 INFO L518 ElimStorePlain]: Eliminatee v_prenex_111 vanished before elimination [2021-06-06 21:12:16,894 INFO L518 ElimStorePlain]: Eliminatee v_prenex_112 vanished before elimination [2021-06-06 21:12:16,895 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 21:12:16,895 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 8 variables, input treesize:216, output treesize:13 [2021-06-06 21:12:16,931 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:12:16,932 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1827854025] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:12:16,932 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:12:16,932 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 31 [2021-06-06 21:12:16,932 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909544911] [2021-06-06 21:12:16,932 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-06 21:12:16,932 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:12:16,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-06 21:12:16,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=851, Unknown=0, NotChecked=0, Total=930 [2021-06-06 21:12:16,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:12:16,933 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:12:16,933 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.4838709677419355) internal successors, (46), 31 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:12:16,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:12:16,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:16,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:12:16,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:12:16,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:16,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:16,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:12:16,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:16,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:12:16,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:16,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:12:16,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:16,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:16,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:16,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:16,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:12:16,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:12:16,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:12:16,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:16,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:16,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:16,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:16,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:12:16,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:16,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 21:12:16,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:16,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 21:12:16,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:12:18,068 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2021-06-06 21:12:18,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:12:18,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:18,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:12:18,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:12:18,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:18,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:18,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:12:18,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:18,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:12:18,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:18,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:12:18,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:18,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:18,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:18,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:18,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:12:18,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:12:18,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:12:18,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:18,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:18,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:18,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:18,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:12:18,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:18,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 21:12:18,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:18,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 21:12:18,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:18,795 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable433 [2021-06-06 21:12:18,795 INFO L430 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:12:18,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:12:18,795 INFO L82 PathProgramCache]: Analyzing trace with hash -1282671820, now seen corresponding path program 23 times [2021-06-06 21:12:18,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:12:18,796 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547910479] [2021-06-06 21:12:18,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:12:18,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:12:19,029 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 5 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:12:19,029 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:12:19,029 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547910479] [2021-06-06 21:12:19,029 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547910479] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:12:19,029 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [906556095] [2021-06-06 21:12:19,029 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:12:19,069 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-06 21:12:19,070 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:12:19,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 38 conjunts are in the unsatisfiable core [2021-06-06 21:12:19,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:12:19,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 21:12:19,386 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:19,389 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:19,389 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:19,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 21:12:19,390 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:19,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 21:12:19,393 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:19,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 21:12:19,397 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:19,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 21:12:19,400 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:19,402 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:19,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 21:12:19,403 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:19,462 INFO L628 ElimStorePlain]: treesize reduction 38, result has 67.8 percent of original size [2021-06-06 21:12:19,464 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2021-06-06 21:12:19,464 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:171, output treesize:70 [2021-06-06 21:12:19,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 21:12:19,708 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:19,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 21:12:19,711 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:19,716 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:19,716 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:19,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 21:12:19,717 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:19,719 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:19,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 21:12:19,720 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:19,746 INFO L628 ElimStorePlain]: treesize reduction 36, result has 41.0 percent of original size [2021-06-06 21:12:19,746 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 21:12:19,747 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 21:12:19,747 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:99, output treesize:19 [2021-06-06 21:12:19,781 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 5 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:12:19,781 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [906556095] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:12:19,781 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:12:19,781 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 31 [2021-06-06 21:12:19,781 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055465143] [2021-06-06 21:12:19,782 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-06 21:12:19,782 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:12:19,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-06 21:12:19,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=850, Unknown=0, NotChecked=0, Total=930 [2021-06-06 21:12:19,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:12:19,782 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:12:19,782 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.3870967741935485) internal successors, (43), 31 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:12:19,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:12:19,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:19,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:12:19,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:12:19,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:19,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:19,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:12:19,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:19,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:12:19,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:19,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:12:19,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:19,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:19,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:19,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:19,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:12:19,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:12:19,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:12:19,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:19,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:19,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:19,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:19,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:12:19,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:19,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 21:12:19,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:19,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 21:12:19,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:19,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:12:21,227 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 169 [2021-06-06 21:12:21,461 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 169 [2021-06-06 21:12:21,717 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 169 [2021-06-06 21:12:21,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:12:21,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:21,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:12:21,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:12:21,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:21,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:21,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:12:21,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:21,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:12:21,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:21,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:12:21,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:21,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:21,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:21,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:21,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:12:21,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:12:21,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:12:21,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:21,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:21,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:21,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:21,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:12:21,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:21,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 21:12:21,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:21,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:12:21,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:21,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:21,993 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable472,30 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:12:21,993 INFO L430 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:12:21,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:12:21,994 INFO L82 PathProgramCache]: Analyzing trace with hash -292580104, now seen corresponding path program 24 times [2021-06-06 21:12:21,994 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:12:21,994 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915824434] [2021-06-06 21:12:21,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:12:22,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:12:22,334 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:12:22,334 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:12:22,334 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915824434] [2021-06-06 21:12:22,334 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915824434] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:12:22,334 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [646119389] [2021-06-06 21:12:22,334 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:12:22,369 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-06 21:12:22,369 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:12:22,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 49 conjunts are in the unsatisfiable core [2021-06-06 21:12:22,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:12:23,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:23,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:23,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:23,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:23,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:23,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:23,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:23,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:23,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:23,337 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:23,343 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:23,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 32 [2021-06-06 21:12:23,345 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:23,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:23,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:23,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:23,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:23,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:23,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:23,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:23,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:23,358 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:23,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 34 [2021-06-06 21:12:23,360 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:23,441 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:12:23,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:23,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:23,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:23,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:23,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:23,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:23,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:23,449 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:23,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:23,455 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:23,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 42 [2021-06-06 21:12:23,458 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-06 21:12:23,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:23,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:23,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:23,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:23,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:23,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:23,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:23,469 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:23,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:23,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 40 [2021-06-06 21:12:23,474 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:23,549 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:12:23,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:23,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:23,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:23,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:23,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:23,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:23,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:23,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:23,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:23,558 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:23,564 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:23,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 34 [2021-06-06 21:12:23,566 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:23,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:23,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:23,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:23,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:23,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:23,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:23,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:23,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:23,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:23,577 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:23,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 32 [2021-06-06 21:12:23,580 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:23,631 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:12:23,637 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-1 vars, End of recursive call: 6 dim-0 vars, and 6 xjuncts. [2021-06-06 21:12:23,638 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:401, output treesize:179 [2021-06-06 21:12:24,304 INFO L446 ElimStorePlain]: Different costs {1=[array_4], 21=[array_2]} [2021-06-06 21:12:24,309 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:24,309 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:24,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-06 21:12:24,311 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:24,327 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:24,327 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:24,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-06-06 21:12:24,329 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:24,333 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:24,333 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:24,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2021-06-06 21:12:24,335 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:24,339 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:24,339 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:24,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2021-06-06 21:12:24,342 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:24,345 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:24,346 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:24,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 21:12:24,347 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:24,350 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:24,351 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:24,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-06-06 21:12:24,352 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:24,358 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:24,358 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:24,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 21:12:24,359 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:24,364 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:24,364 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:24,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-06-06 21:12:24,366 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:24,370 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:24,370 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:24,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 21:12:24,371 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:24,376 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:24,376 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:24,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-06-06 21:12:24,378 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:24,382 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:24,382 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:24,382 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 21:12:24,383 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:24,387 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:24,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 21:12:24,388 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:24,540 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 55 [2021-06-06 21:12:24,540 INFO L628 ElimStorePlain]: treesize reduction 98, result has 62.3 percent of original size [2021-06-06 21:12:24,544 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:24,545 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:24,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-06 21:12:24,545 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:24,549 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:24,549 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:24,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-06 21:12:24,550 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:24,553 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:24,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-06-06 21:12:24,554 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:24,609 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:12:24,612 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-1 vars, End of recursive call: and 8 xjuncts. [2021-06-06 21:12:24,612 INFO L247 ElimStorePlain]: Needed 16 recursive calls to eliminate 8 variables, input treesize:405, output treesize:96 [2021-06-06 21:12:24,751 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:12:24,751 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [646119389] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:12:24,751 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:12:24,751 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19] total 35 [2021-06-06 21:12:24,752 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585386769] [2021-06-06 21:12:24,752 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-06-06 21:12:24,752 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:12:24,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-06-06 21:12:24,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=1112, Unknown=0, NotChecked=0, Total=1190 [2021-06-06 21:12:24,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:12:24,752 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:12:24,752 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 1.4) internal successors, (49), 35 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:12:24,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:12:24,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:24,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:12:24,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:12:24,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:24,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:24,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:12:24,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:24,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:12:24,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:24,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:12:24,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:24,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:24,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:24,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:24,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:12:24,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:12:24,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:12:24,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:24,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:24,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:24,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:24,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:12:24,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:24,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 21:12:24,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:24,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:12:24,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:24,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:24,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:12:25,609 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2021-06-06 21:12:25,843 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 106 [2021-06-06 21:12:26,066 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 108 [2021-06-06 21:12:26,316 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 107 [2021-06-06 21:12:26,547 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 106 [2021-06-06 21:12:26,904 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 121 [2021-06-06 21:12:27,362 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 130 [2021-06-06 21:12:29,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:12:29,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:29,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:12:29,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:12:29,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:29,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:29,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:12:29,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:29,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:12:29,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:29,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:12:29,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:29,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:29,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:29,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:29,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:12:29,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:12:29,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:12:29,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:29,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:29,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:29,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:29,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:12:29,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:29,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:12:29,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:29,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:12:29,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:29,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:29,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:12:29,258 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable482,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:12:29,259 INFO L430 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:12:29,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:12:29,259 INFO L82 PathProgramCache]: Analyzing trace with hash -1311331558, now seen corresponding path program 25 times [2021-06-06 21:12:29,259 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:12:29,259 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668409814] [2021-06-06 21:12:29,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:12:29,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:12:29,499 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:12:29,499 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:12:29,499 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668409814] [2021-06-06 21:12:29,499 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668409814] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:12:29,499 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1549287514] [2021-06-06 21:12:29,499 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:12:29,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:12:29,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 32 conjunts are in the unsatisfiable core [2021-06-06 21:12:29,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:12:29,640 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:29,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-06-06 21:12:29,641 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:29,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 21:12:29,643 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:29,657 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:12:29,657 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 21:12:29,657 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:57, output treesize:43 [2021-06-06 21:12:29,776 INFO L446 ElimStorePlain]: Different costs {0=[array_2], 1=[array_4]} [2021-06-06 21:12:29,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 21:12:29,779 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:29,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 21:12:29,781 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:29,783 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 21:12:29,783 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:29,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 21:12:29,786 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:29,798 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-06-06 21:12:29,798 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 21:12:29,798 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 21:12:29,798 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-06 21:12:29,827 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:12:29,827 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1549287514] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:12:29,827 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:12:29,827 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 25 [2021-06-06 21:12:29,827 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744689262] [2021-06-06 21:12:29,827 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-06 21:12:29,827 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:12:29,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-06 21:12:29,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=540, Unknown=0, NotChecked=0, Total=600 [2021-06-06 21:12:29,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:12:29,828 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:12:29,828 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.44) internal successors, (36), 25 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:12:29,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:12:29,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:29,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:12:29,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:12:29,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:29,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:29,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:12:29,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:29,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:12:29,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:29,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:12:29,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:29,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:29,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:29,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:29,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:12:29,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:12:29,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:12:29,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:29,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:29,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:29,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:29,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:12:29,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:29,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:12:29,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:29,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:12:29,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:29,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:29,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:12:29,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:12:30,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:12:30,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:30,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:12:30,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:12:30,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:30,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:30,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:12:30,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:30,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:12:30,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:30,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:12:30,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:30,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:30,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:30,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:30,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:12:30,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:12:30,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:12:30,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:30,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:30,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:30,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:30,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:12:30,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:30,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:30,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:30,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:12:30,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:30,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:30,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:12:30,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:12:30,721 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable507,32 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:12:30,722 INFO L430 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:12:30,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:12:30,722 INFO L82 PathProgramCache]: Analyzing trace with hash 1230794002, now seen corresponding path program 26 times [2021-06-06 21:12:30,722 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:12:30,722 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157234239] [2021-06-06 21:12:30,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:12:30,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:12:30,982 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:12:30,983 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:12:30,983 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157234239] [2021-06-06 21:12:30,983 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157234239] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:12:30,983 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1866421174] [2021-06-06 21:12:30,983 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:12:31,028 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 21:12:31,028 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:12:31,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 49 conjunts are in the unsatisfiable core [2021-06-06 21:12:31,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:12:31,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:31,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:31,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:31,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:31,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:31,274 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:31,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 40 [2021-06-06 21:12:31,278 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:31,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:31,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:31,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:31,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:31,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:31,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 32 [2021-06-06 21:12:31,284 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:31,301 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:12:31,302 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 21:12:31,302 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:129, output treesize:59 [2021-06-06 21:12:31,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-06-06 21:12:31,508 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-06 21:12:31,516 INFO L628 ElimStorePlain]: treesize reduction 7, result has 61.1 percent of original size [2021-06-06 21:12:31,516 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 21:12:31,517 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 21:12:31,517 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:31, output treesize:11 [2021-06-06 21:12:31,547 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:12:31,547 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1866421174] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:12:31,547 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:12:31,547 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 30 [2021-06-06 21:12:31,548 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476547278] [2021-06-06 21:12:31,548 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-06 21:12:31,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:12:31,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-06 21:12:31,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=797, Unknown=0, NotChecked=0, Total=870 [2021-06-06 21:12:31,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:12:31,548 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:12:31,548 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 1.4666666666666666) internal successors, (44), 30 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:12:31,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:12:31,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:31,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:12:31,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:12:31,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:31,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:31,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:12:31,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:31,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:12:31,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:31,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:12:31,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:31,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:31,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:31,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:31,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:12:31,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:12:31,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:12:31,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:31,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:31,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:31,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:31,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:12:31,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:31,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:31,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:31,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:12:31,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:31,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:31,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:12:31,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:12:31,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:12:32,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:12:32,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:32,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:12:32,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:12:32,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:32,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:32,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:12:32,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:32,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:12:32,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:32,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:12:32,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:32,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:32,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:32,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:32,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:12:32,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:12:32,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:12:32,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:32,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:32,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:32,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:32,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:12:32,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:32,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:32,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:32,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:12:32,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:32,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:32,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:12:32,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:12:32,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 21:12:32,542 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable514 [2021-06-06 21:12:32,542 INFO L430 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:12:32,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:12:32,542 INFO L82 PathProgramCache]: Analyzing trace with hash 1931603294, now seen corresponding path program 27 times [2021-06-06 21:12:32,542 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:12:32,542 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766925970] [2021-06-06 21:12:32,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:12:32,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:12:32,809 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:12:32,809 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:12:32,809 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766925970] [2021-06-06 21:12:32,809 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766925970] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:12:32,810 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1421106176] [2021-06-06 21:12:32,810 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:12:32,846 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-06 21:12:32,847 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:12:32,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 50 conjunts are in the unsatisfiable core [2021-06-06 21:12:32,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:12:33,164 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:33,165 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:33,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 21:12:33,166 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:33,168 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:33,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 21:12:33,169 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:33,192 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:12:33,193 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-06-06 21:12:33,194 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:69, output treesize:55 [2021-06-06 21:12:33,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:33,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:33,519 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:33,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:33,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:33,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:33,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:33,522 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:33,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 32 [2021-06-06 21:12:33,526 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:33,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:33,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:33,529 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:33,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:33,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:33,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:33,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:33,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 40 [2021-06-06 21:12:33,533 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:33,552 INFO L628 ElimStorePlain]: treesize reduction 49, result has 29.0 percent of original size [2021-06-06 21:12:33,552 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 21:12:33,553 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 21:12:33,553 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:149, output treesize:14 [2021-06-06 21:12:33,615 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:12:33,615 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1421106176] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:12:33,615 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:12:33,615 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 20] total 36 [2021-06-06 21:12:33,615 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260211636] [2021-06-06 21:12:33,615 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-06-06 21:12:33,615 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:12:33,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-06-06 21:12:33,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=1181, Unknown=0, NotChecked=0, Total=1260 [2021-06-06 21:12:33,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:12:33,616 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:12:33,616 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 1.4444444444444444) internal successors, (52), 36 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:12:33,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:12:33,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:33,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:12:33,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:12:33,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:33,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:33,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:12:33,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:33,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:12:33,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:33,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:12:33,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:33,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:33,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:33,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:33,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:12:33,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:12:33,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:12:33,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:33,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:33,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:33,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:33,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:12:33,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:33,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:33,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:33,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:12:33,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:33,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:33,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:12:33,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:12:33,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 21:12:33,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:12:35,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:12:35,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:35,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:12:35,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:12:35,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:35,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:35,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:12:35,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:35,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:12:35,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:35,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:12:35,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:35,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:35,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:35,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:35,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:12:35,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:12:35,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:12:35,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:35,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:35,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:35,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:35,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:12:35,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:35,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:35,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:35,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:12:35,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:35,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:35,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:12:35,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:12:35,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 21:12:35,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:35,366 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable526,34 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:12:35,366 INFO L430 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:12:35,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:12:35,366 INFO L82 PathProgramCache]: Analyzing trace with hash -1146308368, now seen corresponding path program 28 times [2021-06-06 21:12:35,366 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:12:35,367 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438383466] [2021-06-06 21:12:35,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:12:35,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:12:36,085 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:12:36,085 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:12:36,085 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438383466] [2021-06-06 21:12:36,085 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438383466] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:12:36,085 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [635102420] [2021-06-06 21:12:36,085 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:12:36,124 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 21:12:36,124 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:12:36,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 71 conjunts are in the unsatisfiable core [2021-06-06 21:12:36,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:12:37,183 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-06-06 21:12:37,451 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2021-06-06 21:12:37,715 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-06-06 21:12:37,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,802 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:37,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,803 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:37,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,808 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:37,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,809 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:37,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,810 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:37,815 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:37,816 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:37,821 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:37,822 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:37,824 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:37,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 10 disjoint index pairs (out of 45 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 75 [2021-06-06 21:12:37,829 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:37,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,839 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:37,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,841 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:37,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,843 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:37,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,845 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:37,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,847 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:37,852 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:37,854 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:37,856 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:37,859 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:37,860 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:37,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 10 disjoint index pairs (out of 45 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 67 [2021-06-06 21:12:37,862 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:37,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,869 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:37,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,872 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:37,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,876 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:37,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,878 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:37,879 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:37,881 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:37,885 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:37,890 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:37,892 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:37,892 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:37,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 10 disjoint index pairs (out of 45 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 83 [2021-06-06 21:12:37,895 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:37,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,904 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:37,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,908 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:37,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,913 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:37,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:37,915 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:37,916 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:37,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 10 disjoint index pairs (out of 45 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 75 [2021-06-06 21:12:37,919 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:38,020 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2021-06-06 21:12:38,020 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:12:38,030 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-06-06 21:12:38,030 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:535, output treesize:419 [2021-06-06 21:12:38,558 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 119 [2021-06-06 21:12:39,388 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_140, v_prenex_142, array_4, v_prenex_136, v_prenex_138], 15=[array_2, v_prenex_141, v_prenex_135, v_prenex_137, v_prenex_139]} [2021-06-06 21:12:39,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 47 [2021-06-06 21:12:39,413 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:39,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 49 [2021-06-06 21:12:39,422 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-06 21:12:39,645 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 154 [2021-06-06 21:12:39,646 INFO L628 ElimStorePlain]: treesize reduction 234, result has 62.2 percent of original size [2021-06-06 21:12:39,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 50 [2021-06-06 21:12:39,659 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:39,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 52 [2021-06-06 21:12:39,667 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:39,730 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:12:39,735 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 34 [2021-06-06 21:12:39,737 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:39,793 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:12:39,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 52 [2021-06-06 21:12:39,799 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:39,846 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:12:39,850 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 49 [2021-06-06 21:12:39,852 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2021-06-06 21:12:39,896 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:12:39,897 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 21:12:39,901 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:39,901 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:39,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2021-06-06 21:12:39,903 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:39,907 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:39,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-06 21:12:39,908 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:39,952 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:12:39,956 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:39,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2021-06-06 21:12:39,957 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:40,001 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:12:40,005 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:40,006 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:40,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-06-06 21:12:40,007 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:40,009 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:40,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-06 21:12:40,010 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:40,017 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:12:40,059 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:12:40,062 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:40,063 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:40,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-06 21:12:40,064 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:40,066 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:40,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-06 21:12:40,074 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:40,081 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:12:40,123 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:12:40,127 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 10 dim-1 vars, End of recursive call: and 8 xjuncts. [2021-06-06 21:12:40,127 INFO L247 ElimStorePlain]: Needed 15 recursive calls to eliminate 15 variables, input treesize:687, output treesize:68 [2021-06-06 21:12:40,248 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:12:40,248 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [635102420] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:12:40,248 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:12:40,248 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 21] total 40 [2021-06-06 21:12:40,248 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532938920] [2021-06-06 21:12:40,248 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-06-06 21:12:40,248 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:12:40,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-06-06 21:12:40,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=1470, Unknown=0, NotChecked=0, Total=1560 [2021-06-06 21:12:40,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:12:40,249 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:12:40,249 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 1.35) internal successors, (54), 40 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:12:40,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:12:40,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:40,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:12:40,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:12:40,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:40,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:40,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:12:40,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:40,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:12:40,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:40,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:12:40,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:40,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:40,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:40,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:40,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:12:40,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:12:40,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:12:40,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:40,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:40,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:40,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:40,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:12:40,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:40,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:40,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:40,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:12:40,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:40,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:40,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:12:40,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:12:40,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 21:12:40,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:40,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:12:41,829 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 106 [2021-06-06 21:12:42,177 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 174 [2021-06-06 21:12:42,585 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 127 [2021-06-06 21:12:43,043 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 184 [2021-06-06 21:12:43,559 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 136 [2021-06-06 21:12:44,066 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 206 [2021-06-06 21:12:45,015 WARN L205 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 252 [2021-06-06 21:12:45,360 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 99 [2021-06-06 21:12:45,653 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 164 [2021-06-06 21:12:45,986 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2021-06-06 21:12:46,381 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 176 [2021-06-06 21:12:46,909 WARN L205 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2021-06-06 21:12:47,375 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 201 [2021-06-06 21:12:48,261 WARN L205 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 245 [2021-06-06 21:12:48,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:12:48,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:48,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:12:48,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:12:48,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:48,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:48,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:12:48,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:48,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:12:48,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:48,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:12:48,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:48,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:48,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:48,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:48,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:12:48,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:12:48,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:12:48,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:48,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:48,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:48,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:48,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:12:48,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:48,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:48,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:48,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:12:48,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:48,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:48,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:12:48,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:12:48,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 21:12:48,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:48,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 21:12:48,817 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable537 [2021-06-06 21:12:48,818 INFO L430 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:12:48,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:12:48,818 INFO L82 PathProgramCache]: Analyzing trace with hash -1978444228, now seen corresponding path program 29 times [2021-06-06 21:12:48,818 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:12:48,818 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928991681] [2021-06-06 21:12:48,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:12:48,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:12:49,234 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:12:49,234 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:12:49,234 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928991681] [2021-06-06 21:12:49,234 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928991681] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:12:49,234 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1950835657] [2021-06-06 21:12:49,235 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:12:49,275 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-06 21:12:49,275 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:12:49,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 59 conjunts are in the unsatisfiable core [2021-06-06 21:12:49,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:12:49,942 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:49,942 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:49,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-06-06 21:12:49,943 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:49,946 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:49,947 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:49,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 21:12:49,948 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:49,951 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:49,952 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:49,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 21:12:49,953 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:49,956 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:49,956 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:49,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-06 21:12:49,957 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:49,960 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:49,961 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:49,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 21:12:49,962 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:49,965 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:49,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 21:12:49,966 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:50,078 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2021-06-06 21:12:50,079 INFO L628 ElimStorePlain]: treesize reduction 2, result has 98.8 percent of original size [2021-06-06 21:12:50,083 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 6 xjuncts. [2021-06-06 21:12:50,083 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:225, output treesize:158 [2021-06-06 21:12:50,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:50,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:50,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:50,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:50,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:50,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:50,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:50,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:50,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:50,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:50,977 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:50,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:50,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:50,986 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:50,987 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 49 [2021-06-06 21:12:50,990 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-06 21:12:50,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:50,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:50,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:50,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:50,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:50,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:50,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:50,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:50,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:50,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:50,999 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:51,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:51,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:51,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 47 [2021-06-06 21:12:51,002 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:51,072 INFO L628 ElimStorePlain]: treesize reduction 112, result has 50.0 percent of original size [2021-06-06 21:12:51,075 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:51,075 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:51,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-06 21:12:51,076 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:51,079 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:51,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-06-06 21:12:51,081 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:51,087 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:12:51,112 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:12:51,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:51,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:51,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:51,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:51,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:51,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:51,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:51,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:51,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:51,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:12:51,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 34 [2021-06-06 21:12:51,122 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:51,137 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:12:51,137 INFO L518 ElimStorePlain]: Eliminatee v_prenex_154 vanished before elimination [2021-06-06 21:12:51,138 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-06 21:12:51,138 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 8 variables, input treesize:310, output treesize:22 [2021-06-06 21:12:51,185 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:12:51,185 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1950835657] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:12:51,185 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:12:51,185 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 22] total 37 [2021-06-06 21:12:51,186 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722613333] [2021-06-06 21:12:51,186 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-06 21:12:51,186 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:12:51,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-06 21:12:51,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=1252, Unknown=0, NotChecked=0, Total=1332 [2021-06-06 21:12:51,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:12:51,186 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:12:51,186 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 1.3783783783783783) internal successors, (51), 37 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:12:51,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:12:51,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:51,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:12:51,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:12:51,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:51,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:51,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:12:51,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:51,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:12:51,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:51,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:12:51,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:51,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:51,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:51,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:51,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:12:51,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:12:51,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:12:51,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:51,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:51,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:51,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:51,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:12:51,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:51,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:51,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:51,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:12:51,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:51,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:51,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:12:51,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:12:51,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 21:12:51,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:51,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 21:12:51,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:12:53,208 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 76 [2021-06-06 21:12:53,422 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 68 [2021-06-06 21:12:55,156 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2021-06-06 21:12:55,413 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 79 [2021-06-06 21:12:55,654 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2021-06-06 21:12:55,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:12:55,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:55,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:12:55,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:12:55,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:55,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:55,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:12:55,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:55,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:12:55,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:55,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:12:55,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:55,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:55,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:55,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:55,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:12:55,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:12:55,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:12:55,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:55,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:55,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:55,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:55,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:12:55,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:55,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:55,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:55,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:12:55,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:55,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:55,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:12:55,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:12:55,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 21:12:55,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:55,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 21:12:55,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 21:12:55,990 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable576 [2021-06-06 21:12:55,990 INFO L430 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:12:55,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:12:55,991 INFO L82 PathProgramCache]: Analyzing trace with hash -2098697262, now seen corresponding path program 30 times [2021-06-06 21:12:55,991 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:12:55,991 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912388687] [2021-06-06 21:12:55,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:12:56,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:12:56,383 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:12:56,384 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:12:56,384 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912388687] [2021-06-06 21:12:56,384 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912388687] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:12:56,384 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [789594156] [2021-06-06 21:12:56,384 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:12:56,433 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-06 21:12:56,433 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:12:56,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 44 conjunts are in the unsatisfiable core [2021-06-06 21:12:56,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:12:56,807 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:56,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 21:12:56,808 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:56,810 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 21:12:56,810 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:56,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 21:12:56,813 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:56,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 21:12:56,816 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:56,818 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:56,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 21:12:56,818 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:56,820 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 21:12:56,821 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:56,850 INFO L628 ElimStorePlain]: treesize reduction 6, result has 88.0 percent of original size [2021-06-06 21:12:56,851 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-06 21:12:56,851 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:125, output treesize:44 [2021-06-06 21:12:57,079 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:57,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 21:12:57,080 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:57,082 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:12:57,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 21:12:57,083 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:57,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 21:12:57,085 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:57,086 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 21:12:57,087 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:12:57,100 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-06-06 21:12:57,100 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 21:12:57,100 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 21:12:57,100 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-06 21:12:57,138 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:12:57,139 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [789594156] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:12:57,139 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:12:57,139 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 22] total 43 [2021-06-06 21:12:57,139 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803087471] [2021-06-06 21:12:57,139 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-06-06 21:12:57,139 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:12:57,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-06-06 21:12:57,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=1703, Unknown=0, NotChecked=0, Total=1806 [2021-06-06 21:12:57,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:12:57,140 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:12:57,140 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 43 states, 43 states have (on average 1.3953488372093024) internal successors, (60), 43 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:12:57,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:12:57,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:57,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:12:57,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:12:57,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:57,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:57,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:12:57,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:57,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:12:57,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:57,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:12:57,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:57,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:57,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:57,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:57,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:12:57,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:12:57,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:12:57,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:57,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:57,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:57,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:57,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:12:57,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:57,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:57,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:57,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:12:57,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:57,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:57,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:12:57,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:12:57,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 21:12:57,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:57,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 21:12:57,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 21:12:57,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:12:59,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:12:59,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:59,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:12:59,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:12:59,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:59,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:12:59,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:12:59,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:59,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:12:59,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:59,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:12:59,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:59,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:59,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:59,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:59,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:12:59,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:12:59,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:12:59,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:12:59,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:59,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:59,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:59,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:12:59,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:59,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:59,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:12:59,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:12:59,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:59,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:59,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:12:59,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:12:59,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 21:12:59,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:12:59,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:12:59,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 21:12:59,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:12:59,243 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable624 [2021-06-06 21:12:59,243 INFO L430 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:12:59,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:12:59,244 INFO L82 PathProgramCache]: Analyzing trace with hash -2072289378, now seen corresponding path program 31 times [2021-06-06 21:12:59,244 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:12:59,244 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158377916] [2021-06-06 21:12:59,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:12:59,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:12:59,834 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:12:59,834 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:12:59,834 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158377916] [2021-06-06 21:12:59,834 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158377916] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:12:59,834 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [704520980] [2021-06-06 21:12:59,834 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:12:59,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:12:59,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 59 conjunts are in the unsatisfiable core [2021-06-06 21:12:59,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:13:01,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:01,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:01,056 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:01,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:01,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:01,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:01,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:01,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:01,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:01,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:01,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:01,062 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:01,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 39 [2021-06-06 21:13:01,069 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:01,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:01,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:01,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:01,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:01,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:01,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:01,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:01,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:01,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:01,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:01,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:01,080 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:01,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:01,087 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:01,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 47 [2021-06-06 21:13:01,091 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:01,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:01,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:01,096 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:01,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:01,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:01,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:01,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:01,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:01,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:01,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:01,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:01,102 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:01,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 47 [2021-06-06 21:13:01,109 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:01,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:01,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:01,114 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:01,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:01,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:01,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:01,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:01,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:01,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:01,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:01,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:01,120 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:01,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 46 [2021-06-06 21:13:01,127 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:01,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:01,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:01,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:01,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:01,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:01,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:01,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:01,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:01,135 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:01,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:01,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:01,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:01,142 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:01,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 54 [2021-06-06 21:13:01,146 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:01,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:01,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:01,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:01,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:01,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:01,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:01,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:01,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:01,154 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:01,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:01,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:01,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:01,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 55 [2021-06-06 21:13:01,158 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 4 xjuncts. [2021-06-06 21:13:01,308 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2021-06-06 21:13:01,309 INFO L628 ElimStorePlain]: treesize reduction 83, result has 75.9 percent of original size [2021-06-06 21:13:01,317 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-06-06 21:13:01,317 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:574, output treesize:261 [2021-06-06 21:13:02,462 INFO L446 ElimStorePlain]: Different costs {1=[array_4], 28=[array_2]} [2021-06-06 21:13:02,467 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:02,468 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:02,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-06 21:13:02,469 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:02,474 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:02,474 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:02,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-06-06 21:13:02,475 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:02,481 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:02,481 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:02,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 21:13:02,482 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:02,488 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:02,488 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:02,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 21:13:02,489 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:02,494 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:02,495 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:02,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2021-06-06 21:13:02,496 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:02,505 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:02,505 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:02,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 21:13:02,506 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:02,512 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:02,512 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:02,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2021-06-06 21:13:02,514 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:02,519 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:02,519 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:02,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-06-06 21:13:02,521 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:02,526 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:02,526 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:02,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2021-06-06 21:13:02,528 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 2 xjuncts. [2021-06-06 21:13:02,535 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:02,536 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:02,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 21:13:02,537 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:02,543 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:02,543 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:02,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-06 21:13:02,544 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:02,550 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:02,550 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:02,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-06-06 21:13:02,551 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:02,557 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:02,557 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:02,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-06-06 21:13:02,558 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:02,564 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:02,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-06-06 21:13:02,565 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:02,780 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 71 [2021-06-06 21:13:02,780 INFO L628 ElimStorePlain]: treesize reduction 200, result has 47.8 percent of original size [2021-06-06 21:13:02,785 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:02,786 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:02,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-06 21:13:02,787 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:02,791 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:02,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-06 21:13:02,792 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:02,867 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:13:02,870 INFO L550 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 2 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-06-06 21:13:02,870 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 9 variables, input treesize:547, output treesize:79 [2021-06-06 21:13:03,060 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:13:03,061 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [704520980] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:13:03,061 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:13:03,061 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 22] total 41 [2021-06-06 21:13:03,061 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606574261] [2021-06-06 21:13:03,061 INFO L462 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-06-06 21:13:03,061 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:13:03,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-06-06 21:13:03,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=1549, Unknown=0, NotChecked=0, Total=1640 [2021-06-06 21:13:03,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:13:03,062 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:13:03,062 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 41 states, 41 states have (on average 1.3414634146341464) internal successors, (55), 41 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:13:03,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:13:03,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:13:03,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:13:03,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:13:03,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:13:03,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:13:03,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:13:03,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:13:03,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:13:03,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:03,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:13:03,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:03,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:03,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:03,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:03,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:13:03,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:13:03,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:13:03,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:03,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:13:03,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:13:03,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:13:03,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:13:03,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:13:03,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:13:03,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:13:03,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:13:03,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:13:03,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:13:03,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:13:03,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:13:03,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 21:13:03,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:13:03,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:13:03,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 21:13:03,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:13:03,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:13:04,933 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 96 [2021-06-06 21:13:06,185 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 135 [2021-06-06 21:13:06,843 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 167 [2021-06-06 21:13:08,232 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 122 [2021-06-06 21:13:08,720 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 154 [2021-06-06 21:13:10,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:13:10,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:13:10,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:13:10,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:13:10,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:13:10,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:13:10,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:13:10,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:13:10,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:13:10,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:10,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:13:10,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:10,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:10,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:10,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:10,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:13:10,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:13:10,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:13:10,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:10,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:13:10,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:13:10,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:13:10,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:13:10,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:13:10,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:13:10,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:13:10,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:13:10,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:13:10,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:13:10,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:13:10,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:13:10,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:13:10,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:13:10,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:13:10,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 21:13:10,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:13:10,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:13:10,686 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable632 [2021-06-06 21:13:10,686 INFO L430 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:13:10,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:13:10,687 INFO L82 PathProgramCache]: Analyzing trace with hash -1396559940, now seen corresponding path program 32 times [2021-06-06 21:13:10,687 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:13:10,687 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609503314] [2021-06-06 21:13:10,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:13:10,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:13:10,919 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 5 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:13:10,919 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:13:10,919 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609503314] [2021-06-06 21:13:10,919 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609503314] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:13:10,919 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [641073793] [2021-06-06 21:13:10,919 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:13:10,959 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 21:13:10,959 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:13:10,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 38 conjunts are in the unsatisfiable core [2021-06-06 21:13:10,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:13:11,114 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:11,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-06-06 21:13:11,115 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:11,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 21:13:11,117 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:11,131 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:13:11,132 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 21:13:11,132 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:57, output treesize:43 [2021-06-06 21:13:11,301 INFO L446 ElimStorePlain]: Different costs {0=[array_2], 1=[array_4]} [2021-06-06 21:13:11,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 21:13:11,304 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:11,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 21:13:11,307 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:11,309 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 21:13:11,310 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:11,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 21:13:11,313 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:11,328 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-06-06 21:13:11,329 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 21:13:11,329 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 21:13:11,329 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-06 21:13:11,362 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 5 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:13:11,362 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [641073793] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:13:11,362 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:13:11,362 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 30 [2021-06-06 21:13:11,362 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50630304] [2021-06-06 21:13:11,362 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-06 21:13:11,362 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:13:11,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-06 21:13:11,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=797, Unknown=0, NotChecked=0, Total=870 [2021-06-06 21:13:11,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:13:11,363 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:13:11,363 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 30 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:13:11,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:13:11,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:13:11,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:13:11,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:13:11,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:13:11,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:13:11,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:13:11,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:13:11,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:13:11,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:11,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:13:11,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:11,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:11,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:11,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:11,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:13:11,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:13:11,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:13:11,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:11,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:13:11,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:13:11,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:13:11,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:13:11,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:13:11,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:13:11,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:13:11,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:13:11,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:13:11,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:13:11,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:13:11,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:13:11,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:13:11,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:13:11,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:13:11,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 21:13:11,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:13:11,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:13:11,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:13:12,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:13:12,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:13:12,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:13:12,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:13:12,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:13:12,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:13:12,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:13:12,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:13:12,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:13:12,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:12,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:13:12,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:12,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:12,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:12,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:12,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:13:12,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:13:12,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:13:12,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:12,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:13:12,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:13:12,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:13:12,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:13:12,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:13:12,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:13:12,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:13:12,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:13:12,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:13:12,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:13:12,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:13:12,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:13:12,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:13:12,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:13:12,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:13:12,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:13:12,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:13:12,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:13:12,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:13:12,525 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable653 [2021-06-06 21:13:12,525 INFO L430 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:13:12,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:13:12,525 INFO L82 PathProgramCache]: Analyzing trace with hash 1560806550, now seen corresponding path program 33 times [2021-06-06 21:13:12,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:13:12,525 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402794687] [2021-06-06 21:13:12,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:13:12,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:13:13,202 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:13:13,203 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:13:13,203 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402794687] [2021-06-06 21:13:13,203 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402794687] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:13:13,203 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1836769664] [2021-06-06 21:13:13,203 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:13:13,244 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-06 21:13:13,244 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:13:13,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 83 conjunts are in the unsatisfiable core [2021-06-06 21:13:13,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:13:14,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:14,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:14,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:14,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:14,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:14,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:14,971 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:14,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:14,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:14,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:14,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:14,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:14,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:14,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:14,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:14,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:14,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:14,981 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:14,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 56 [2021-06-06 21:13:14,990 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-06 21:13:14,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:14,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:14,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:14,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:14,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:14,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:14,998 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:14,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:14,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 54 [2021-06-06 21:13:15,006 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:15,115 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-06-06 21:13:15,116 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:13:15,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,128 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:15,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,139 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:15,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 46 [2021-06-06 21:13:15,145 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:15,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,156 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:15,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 48 [2021-06-06 21:13:15,162 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:15,244 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:13:15,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,257 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:15,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,268 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:15,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 48 [2021-06-06 21:13:15,272 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:15,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,284 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:15,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:15,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 46 [2021-06-06 21:13:15,288 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:15,340 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:13:15,345 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-1 vars, End of recursive call: 6 dim-0 vars, and 6 xjuncts. [2021-06-06 21:13:15,345 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:523, output treesize:169 [2021-06-06 21:13:16,055 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 112 [2021-06-06 21:13:16,535 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 123 [2021-06-06 21:13:17,118 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 128 [2021-06-06 21:13:17,759 WARN L205 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2021-06-06 21:13:18,502 WARN L205 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2021-06-06 21:13:18,656 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_192, v_prenex_194, v_prenex_196, array_4, v_prenex_198, v_prenex_200], 6=[v_prenex_191, v_prenex_193, v_prenex_195, array_2, v_prenex_197, v_prenex_199]} [2021-06-06 21:13:18,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 49 [2021-06-06 21:13:18,675 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:18,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 47 [2021-06-06 21:13:18,683 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:19,104 WARN L205 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 169 [2021-06-06 21:13:19,105 INFO L628 ElimStorePlain]: treesize reduction 283, result has 59.9 percent of original size [2021-06-06 21:13:19,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 46 [2021-06-06 21:13:19,112 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-06 21:13:19,223 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2021-06-06 21:13:19,223 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:13:19,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2021-06-06 21:13:19,230 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:19,322 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:13:19,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2021-06-06 21:13:19,329 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:19,412 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:13:19,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2021-06-06 21:13:19,418 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:19,492 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:13:19,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2021-06-06 21:13:19,516 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:19,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 42 [2021-06-06 21:13:19,525 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:19,577 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:13:19,581 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:19,582 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:19,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2021-06-06 21:13:19,583 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:19,586 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:19,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-06 21:13:19,587 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:19,645 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:13:19,649 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:19,649 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:19,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-06-06 21:13:19,650 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:19,654 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:19,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-06 21:13:19,655 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:19,662 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:13:19,709 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:13:19,712 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:19,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-06 21:13:19,713 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:19,761 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:13:19,761 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 21:13:19,761 INFO L518 ElimStorePlain]: Eliminatee v_prenex_197 vanished before elimination [2021-06-06 21:13:19,764 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:19,765 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:19,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-06 21:13:19,765 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:19,768 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:19,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2021-06-06 21:13:19,769 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:19,815 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:13:19,818 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 12 dim-1 vars, End of recursive call: and 9 xjuncts. [2021-06-06 21:13:19,818 INFO L247 ElimStorePlain]: Needed 16 recursive calls to eliminate 18 variables, input treesize:789, output treesize:62 [2021-06-06 21:13:19,909 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:13:19,909 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1836769664] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:13:19,909 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:13:19,909 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 24] total 46 [2021-06-06 21:13:19,909 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747315251] [2021-06-06 21:13:19,909 INFO L462 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-06-06 21:13:19,909 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:13:19,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-06-06 21:13:19,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=1964, Unknown=0, NotChecked=0, Total=2070 [2021-06-06 21:13:19,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:13:19,910 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:13:19,910 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 46 states, 46 states have (on average 1.3043478260869565) internal successors, (60), 46 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:13:19,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:13:19,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:13:19,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:13:19,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:13:19,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:13:19,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:13:19,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:13:19,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:13:19,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:13:19,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:19,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:13:19,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:19,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:19,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:19,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:19,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:13:19,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:13:19,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:13:19,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:19,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:13:19,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:13:19,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:13:19,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:13:19,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:13:19,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:13:19,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:13:19,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:13:19,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:13:19,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:13:19,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:13:19,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:13:19,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:13:19,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:13:19,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:13:19,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:13:19,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:13:19,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:13:19,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:13:19,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:13:21,729 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2021-06-06 21:13:22,204 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 137 [2021-06-06 21:13:22,592 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 140 [2021-06-06 21:13:23,044 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 140 [2021-06-06 21:13:23,420 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 137 [2021-06-06 21:13:23,771 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-06-06 21:13:24,123 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-06-06 21:13:24,625 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 128 [2021-06-06 21:13:26,953 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 125 [2021-06-06 21:13:26,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:13:26,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:13:26,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:13:26,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:13:26,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:13:26,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:13:26,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:13:26,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:13:26,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:13:26,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:26,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:13:26,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:26,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:26,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:26,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:26,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:13:26,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:13:26,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:13:26,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:26,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:13:26,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:13:26,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:13:26,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:13:26,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:13:26,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:13:26,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:13:26,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:13:26,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:13:26,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:13:26,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:13:26,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:13:26,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:13:26,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:13:26,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:13:26,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:13:26,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:13:26,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:13:26,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:13:26,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:13:27,158 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable660,40 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:13:27,158 INFO L430 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:13:27,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:13:27,158 INFO L82 PathProgramCache]: Analyzing trace with hash -1141873190, now seen corresponding path program 34 times [2021-06-06 21:13:27,158 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:13:27,158 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662011344] [2021-06-06 21:13:27,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:13:27,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:13:27,780 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:13:27,780 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:13:27,780 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662011344] [2021-06-06 21:13:27,780 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662011344] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:13:27,780 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [676436895] [2021-06-06 21:13:27,780 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:13:27,821 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 21:13:27,821 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:13:27,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 68 conjunts are in the unsatisfiable core [2021-06-06 21:13:27,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:13:28,656 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:28,656 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:28,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 21:13:28,657 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:28,660 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:28,661 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:28,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-06-06 21:13:28,662 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:28,665 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:28,665 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:28,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 21:13:28,666 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:28,669 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:28,670 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:28,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 21:13:28,670 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:28,676 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:28,676 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:28,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 21:13:28,677 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:28,680 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:28,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-06 21:13:28,681 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:28,803 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2021-06-06 21:13:28,804 INFO L628 ElimStorePlain]: treesize reduction 2, result has 98.8 percent of original size [2021-06-06 21:13:28,807 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 6 xjuncts. [2021-06-06 21:13:28,807 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:225, output treesize:158 [2021-06-06 21:13:29,875 INFO L446 ElimStorePlain]: Different costs {21=[array_4, v_prenex_214], 28=[array_2, v_prenex_213]} [2021-06-06 21:13:29,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:29,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:29,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:29,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:29,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:29,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:29,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:29,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:29,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:29,886 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:29,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:29,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:29,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:29,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:29,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:29,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:29,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:29,896 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:29,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 54 [2021-06-06 21:13:29,903 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:29,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:29,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:29,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:29,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:29,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:29,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:29,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:29,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:29,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:29,912 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:29,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:29,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:29,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:29,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:29,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:29,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:29,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:29,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 62 [2021-06-06 21:13:29,928 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 4 xjuncts. [2021-06-06 21:13:30,001 INFO L628 ElimStorePlain]: treesize reduction 199, result has 38.2 percent of original size [2021-06-06 21:13:30,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:30,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:30,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:30,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:30,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:30,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:30,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:30,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:30,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:30,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:30,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:30,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:30,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:30,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:30,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:30,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 41 [2021-06-06 21:13:30,021 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:30,038 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:13:30,041 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:30,042 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:30,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-06-06 21:13:30,043 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:30,045 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:30,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-06 21:13:30,046 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:30,052 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:13:30,068 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:13:30,068 INFO L518 ElimStorePlain]: Eliminatee v_prenex_213 vanished before elimination [2021-06-06 21:13:30,069 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-06 21:13:30,070 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 10 variables, input treesize:362, output treesize:22 [2021-06-06 21:13:30,129 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:13:30,130 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [676436895] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:13:30,130 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:13:30,130 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25] total 42 [2021-06-06 21:13:30,130 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298374252] [2021-06-06 21:13:30,130 INFO L462 AbstractCegarLoop]: Interpolant automaton has 42 states [2021-06-06 21:13:30,130 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:13:30,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-06-06 21:13:30,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=1631, Unknown=0, NotChecked=0, Total=1722 [2021-06-06 21:13:30,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:13:30,131 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:13:30,131 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 42 states, 42 states have (on average 1.3333333333333333) internal successors, (56), 42 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:13:30,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:13:30,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:13:30,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:13:30,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:13:30,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:13:30,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:13:30,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:13:30,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:13:30,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:13:30,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:30,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:13:30,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:30,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:30,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:30,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:30,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:13:30,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:13:30,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:13:30,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:30,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:13:30,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:13:30,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:13:30,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:13:30,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:13:30,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:13:30,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:13:30,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:13:30,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:13:30,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:13:30,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:13:30,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:13:30,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:13:30,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:13:30,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:13:30,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:13:30,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:13:30,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:13:30,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:13:30,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:13:30,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:13:31,650 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 59 [2021-06-06 21:13:32,292 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 61 [2021-06-06 21:13:32,505 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 61 [2021-06-06 21:13:32,800 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 74 [2021-06-06 21:13:33,061 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 63 [2021-06-06 21:13:35,181 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2021-06-06 21:13:35,373 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2021-06-06 21:13:35,609 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 79 [2021-06-06 21:13:35,851 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2021-06-06 21:13:36,167 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 89 [2021-06-06 21:13:36,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:13:36,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:13:36,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:13:36,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:13:36,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:13:36,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:13:36,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:13:36,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:13:36,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:13:36,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:36,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:13:36,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:36,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:36,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:36,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:36,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:13:36,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:13:36,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:13:36,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:36,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:13:36,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:13:36,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:13:36,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:13:36,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:13:36,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:13:36,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:13:36,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:13:36,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:13:36,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:13:36,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:13:36,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:13:36,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:13:36,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:13:36,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:13:36,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:13:36,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:13:36,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:13:36,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:13:36,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:13:36,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 21:13:36,533 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable742,41 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:13:36,533 INFO L430 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:13:36,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:13:36,533 INFO L82 PathProgramCache]: Analyzing trace with hash -1934798860, now seen corresponding path program 35 times [2021-06-06 21:13:36,533 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:13:36,533 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974759384] [2021-06-06 21:13:36,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:13:36,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:13:36,947 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 7 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:13:36,947 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:13:36,947 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974759384] [2021-06-06 21:13:36,947 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974759384] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:13:36,947 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1558487149] [2021-06-06 21:13:36,947 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:13:36,997 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-06-06 21:13:36,998 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:13:36,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 50 conjunts are in the unsatisfiable core [2021-06-06 21:13:37,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:13:37,477 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:37,478 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:37,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 21:13:37,479 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:37,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 21:13:37,482 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:37,484 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:37,485 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:37,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 21:13:37,486 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:37,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 21:13:37,489 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:37,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 21:13:37,492 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:37,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 21:13:37,495 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:37,554 INFO L628 ElimStorePlain]: treesize reduction 36, result has 68.4 percent of original size [2021-06-06 21:13:37,555 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2021-06-06 21:13:37,555 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:167, output treesize:68 [2021-06-06 21:13:37,946 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:37,946 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:37,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 21:13:37,953 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:37,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 21:13:37,956 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:37,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 21:13:37,959 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:37,961 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:37,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 21:13:37,962 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:37,987 INFO L628 ElimStorePlain]: treesize reduction 36, result has 41.0 percent of original size [2021-06-06 21:13:37,988 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 21:13:37,988 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 21:13:37,988 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:99, output treesize:19 [2021-06-06 21:13:38,034 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 7 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:13:38,034 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1558487149] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:13:38,035 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:13:38,035 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 41 [2021-06-06 21:13:38,035 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745326584] [2021-06-06 21:13:38,035 INFO L462 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-06-06 21:13:38,035 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:13:38,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-06-06 21:13:38,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=1532, Unknown=0, NotChecked=0, Total=1640 [2021-06-06 21:13:38,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:13:38,036 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:13:38,036 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 41 states, 41 states have (on average 1.2926829268292683) internal successors, (53), 41 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:13:38,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:13:38,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:13:38,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:13:38,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:13:38,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:13:38,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:13:38,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:13:38,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:13:38,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:13:38,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:38,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:13:38,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:38,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:38,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:38,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:38,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:13:38,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:13:38,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:13:38,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:38,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:13:38,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:13:38,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:13:38,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:13:38,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:13:38,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:13:38,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:13:38,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:13:38,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:13:38,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:13:38,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:13:38,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:13:38,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:13:38,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:13:38,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:13:38,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:13:38,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:13:38,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:13:38,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:13:38,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:13:38,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 21:13:38,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:13:40,194 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 136 [2021-06-06 21:13:40,709 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 140 [2021-06-06 21:13:41,303 WARN L205 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 118 [2021-06-06 21:13:42,034 WARN L205 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 123 [2021-06-06 21:13:42,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:13:42,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:13:42,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:13:42,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:13:42,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:13:42,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:13:42,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:13:42,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:13:42,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:13:42,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:42,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:13:42,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:42,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:42,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:42,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:42,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:13:42,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:13:42,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:13:42,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:42,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:13:42,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:13:42,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:13:42,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:13:42,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:13:42,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:13:42,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:13:42,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:13:42,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:13:42,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:13:42,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:13:42,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:13:42,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:13:42,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:13:42,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:13:42,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:13:42,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:13:42,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:13:42,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:13:42,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 21:13:42,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 21:13:42,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:13:42,362 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable777 [2021-06-06 21:13:42,362 INFO L430 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:13:42,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:13:42,362 INFO L82 PathProgramCache]: Analyzing trace with hash 243894456, now seen corresponding path program 36 times [2021-06-06 21:13:42,362 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:13:42,362 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768951880] [2021-06-06 21:13:42,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:13:42,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:13:42,910 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:13:42,910 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:13:42,910 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768951880] [2021-06-06 21:13:42,911 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768951880] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:13:42,911 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1657582684] [2021-06-06 21:13:42,911 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:13:42,953 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-06 21:13:42,953 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:13:42,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 68 conjunts are in the unsatisfiable core [2021-06-06 21:13:42,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:13:44,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:44,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:44,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:44,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:44,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:44,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:44,721 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:44,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:44,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:44,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:44,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:44,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:44,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:44,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:44,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:44,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:44,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:44,732 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:44,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 56 [2021-06-06 21:13:44,744 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-06 21:13:44,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:44,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:44,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:44,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:44,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:44,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:44,754 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:44,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:44,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:44,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:44,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:44,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:44,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:44,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:44,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:44,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:44,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:44,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 54 [2021-06-06 21:13:44,764 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:44,900 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-06-06 21:13:44,901 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:13:44,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:44,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:44,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:44,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:44,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:44,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:44,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:44,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:44,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:44,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:44,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:44,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:44,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:44,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:44,914 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:44,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:44,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:44,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:44,926 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:44,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 46 [2021-06-06 21:13:44,930 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:44,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:44,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:44,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:44,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:44,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:44,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:44,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:44,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:44,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:44,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:44,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:44,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:44,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:44,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:44,943 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:44,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:44,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:44,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:44,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 48 [2021-06-06 21:13:44,947 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:45,041 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:13:45,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:45,047 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:45,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:45,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:45,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:45,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:45,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:45,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:45,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:45,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:45,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:45,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:45,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:45,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:45,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:45,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:45,056 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:45,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 48 [2021-06-06 21:13:45,067 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:45,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:45,072 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:45,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:45,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:45,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:45,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:45,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:45,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:45,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:45,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:45,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:45,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:45,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:45,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:45,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:45,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:13:45,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 46 [2021-06-06 21:13:45,082 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:45,147 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:13:45,154 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-1 vars, End of recursive call: 6 dim-0 vars, and 6 xjuncts. [2021-06-06 21:13:45,154 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:563, output treesize:209 [2021-06-06 21:13:46,435 INFO L446 ElimStorePlain]: Different costs {1=[array_4], 21=[array_2]} [2021-06-06 21:13:46,441 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:46,441 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:46,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-06-06 21:13:46,443 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:46,448 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:46,449 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:46,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 21:13:46,450 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:46,455 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:46,456 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:46,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 21:13:46,457 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:46,462 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:46,463 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:46,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-06-06 21:13:46,464 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:46,469 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:46,470 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:46,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 21:13:46,471 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:46,477 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:46,477 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:46,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2021-06-06 21:13:46,478 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:46,484 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:46,484 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:46,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 21:13:46,485 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:46,490 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:46,491 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:46,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 21:13:46,492 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:46,497 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:46,497 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:46,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-06-06 21:13:46,498 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:46,503 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:46,504 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:46,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-06-06 21:13:46,505 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:46,510 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:46,510 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:46,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2021-06-06 21:13:46,511 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:46,519 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:46,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-06 21:13:46,520 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:46,717 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 63 [2021-06-06 21:13:46,717 INFO L628 ElimStorePlain]: treesize reduction 113, result has 64.7 percent of original size [2021-06-06 21:13:46,721 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:46,722 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:46,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-06 21:13:46,723 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:46,727 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:46,727 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:46,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-06 21:13:46,728 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:46,732 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:46,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-06-06 21:13:46,733 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:46,812 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:13:46,814 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-1 vars, End of recursive call: and 8 xjuncts. [2021-06-06 21:13:46,815 INFO L247 ElimStorePlain]: Needed 16 recursive calls to eliminate 8 variables, input treesize:465, output treesize:141 [2021-06-06 21:13:47,012 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:13:47,012 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1657582684] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:13:47,012 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:13:47,012 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25] total 47 [2021-06-06 21:13:47,012 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277657563] [2021-06-06 21:13:47,012 INFO L462 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-06-06 21:13:47,012 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:13:47,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-06-06 21:13:47,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=2056, Unknown=0, NotChecked=0, Total=2162 [2021-06-06 21:13:47,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:13:47,013 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:13:47,013 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 1.297872340425532) internal successors, (61), 47 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:13:47,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:13:47,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:13:47,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:13:47,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:13:47,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:13:47,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:13:47,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:13:47,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:13:47,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:13:47,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:47,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:13:47,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:47,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:47,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:47,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:47,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:13:47,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:13:47,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:13:47,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:47,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:13:47,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:13:47,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:13:47,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:13:47,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:13:47,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:13:47,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:13:47,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:13:47,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:13:47,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:13:47,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:13:47,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:13:47,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:13:47,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:13:47,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:13:47,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:13:47,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:13:47,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:13:47,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:13:47,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 21:13:47,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 21:13:47,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:13:47,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:13:48,645 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 70 [2021-06-06 21:13:48,988 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 131 [2021-06-06 21:13:49,299 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 131 [2021-06-06 21:13:49,630 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 130 [2021-06-06 21:13:49,971 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 136 [2021-06-06 21:13:50,328 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 132 [2021-06-06 21:13:50,691 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 132 [2021-06-06 21:13:51,283 WARN L205 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 144 [2021-06-06 21:13:52,240 WARN L205 SmtUtils]: Spent 724.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 153 [2021-06-06 21:13:56,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:13:56,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:13:56,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:13:56,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:13:56,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:13:56,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:13:56,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:13:56,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:13:56,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:13:56,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:56,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:13:56,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:56,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:56,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:56,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:56,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:13:56,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:13:56,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:13:56,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:56,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:13:56,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:13:56,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:13:56,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:13:56,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:13:56,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:13:56,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:13:56,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:13:56,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:13:56,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:13:56,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:13:56,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:13:56,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:13:56,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:13:56,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:13:56,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:13:56,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:13:56,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:13:56,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:13:56,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 21:13:56,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 21:13:56,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:13:56,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 21:13:56,889 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable787,43 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:13:56,889 INFO L430 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:13:56,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:13:56,890 INFO L82 PathProgramCache]: Analyzing trace with hash -1214008652, now seen corresponding path program 37 times [2021-06-06 21:13:56,890 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:13:56,890 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618008505] [2021-06-06 21:13:56,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:13:56,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:13:57,234 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:13:57,235 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:13:57,235 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618008505] [2021-06-06 21:13:57,235 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618008505] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:13:57,235 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1525826353] [2021-06-06 21:13:57,235 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:13:57,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:13:57,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 59 conjunts are in the unsatisfiable core [2021-06-06 21:13:57,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:13:57,813 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:57,814 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:57,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2021-06-06 21:13:57,821 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:57,824 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:57,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 39 [2021-06-06 21:13:57,826 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:57,858 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:13:57,860 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-06-06 21:13:57,861 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:140, output treesize:70 [2021-06-06 21:13:58,244 INFO L446 ElimStorePlain]: Different costs {1=[array_4], 3=[array_2]} [2021-06-06 21:13:58,248 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:58,248 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:58,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-06 21:13:58,249 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:58,253 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:58,253 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:58,254 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 21:13:58,254 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:58,257 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:58,258 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:58,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 27 [2021-06-06 21:13:58,259 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 4 xjuncts. [2021-06-06 21:13:58,263 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:58,264 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:58,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2021-06-06 21:13:58,265 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:58,268 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 21:13:58,269 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:58,272 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:58,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-06 21:13:58,273 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:58,359 INFO L628 ElimStorePlain]: treesize reduction 191, result has 30.5 percent of original size [2021-06-06 21:13:58,362 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:58,362 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:58,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-06 21:13:58,363 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:58,366 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:13:58,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-06 21:13:58,367 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 21:13:58,373 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:13:58,395 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:13:58,397 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 21:13:58,397 INFO L247 ElimStorePlain]: Needed 9 recursive calls to eliminate 4 variables, input treesize:274, output treesize:55 [2021-06-06 21:13:58,557 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:13:58,558 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1525826353] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:13:58,558 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:13:58,558 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 36 [2021-06-06 21:13:58,558 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513184715] [2021-06-06 21:13:58,558 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-06-06 21:13:58,558 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:13:58,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-06-06 21:13:58,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=1187, Unknown=0, NotChecked=0, Total=1260 [2021-06-06 21:13:58,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:13:58,559 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:13:58,559 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 1.4166666666666667) internal successors, (51), 36 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:13:58,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:13:58,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:13:58,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:13:58,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:13:58,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:13:58,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:13:58,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:13:58,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:13:58,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:13:58,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:58,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:13:58,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:58,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:58,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:58,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:58,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:13:58,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:13:58,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:13:58,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:13:58,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:13:58,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:13:58,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:13:58,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:13:58,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:13:58,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:13:58,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:13:58,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:13:58,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:13:58,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:13:58,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:13:58,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:13:58,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:13:58,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:13:58,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:13:58,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:13:58,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:13:58,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:13:58,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:13:58,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 21:13:58,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 21:13:58,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:13:58,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 21:13:58,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:14:01,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:14:01,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:14:01,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:14:01,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:14:01,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:14:01,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:14:01,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:14:01,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:14:01,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:14:01,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:01,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:14:01,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:01,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:01,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:01,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:01,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:14:01,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:14:01,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:14:01,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:01,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:14:01,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:14:01,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:14:01,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:14:01,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:14:01,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:14:01,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:14:01,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:14:01,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:14:01,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:14:01,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:14:01,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:14:01,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:14:01,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:14:01,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:14:01,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:14:01,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:14:01,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:14:01,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:14:01,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 21:14:01,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 21:14:01,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:14:01,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 21:14:01,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:14:01,684 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable824,44 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:14:01,684 INFO L430 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:14:01,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:14:01,685 INFO L82 PathProgramCache]: Analyzing trace with hash 123969114, now seen corresponding path program 38 times [2021-06-06 21:14:01,685 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:14:01,685 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254781282] [2021-06-06 21:14:01,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:14:01,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:14:01,991 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:14:01,991 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:14:01,991 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254781282] [2021-06-06 21:14:01,991 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254781282] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:14:01,991 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1244973852] [2021-06-06 21:14:01,991 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:14:02,032 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 21:14:02,032 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:14:02,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 44 conjunts are in the unsatisfiable core [2021-06-06 21:14:02,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:14:02,233 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:02,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 21:14:02,234 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:14:02,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-06-06 21:14:02,237 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:14:02,253 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:14:02,254 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 21:14:02,254 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:57, output treesize:43 [2021-06-06 21:14:02,461 INFO L446 ElimStorePlain]: Different costs {0=[array_2], 1=[array_4]} [2021-06-06 21:14:02,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 21:14:02,463 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:14:02,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 21:14:02,466 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:14:02,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 21:14:02,468 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:14:02,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 21:14:02,470 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:14:02,485 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-06-06 21:14:02,485 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 21:14:02,485 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 21:14:02,485 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-06 21:14:02,526 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:14:02,527 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1244973852] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:14:02,527 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:14:02,527 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 35 [2021-06-06 21:14:02,527 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931744330] [2021-06-06 21:14:02,527 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-06-06 21:14:02,527 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:14:02,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-06-06 21:14:02,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1104, Unknown=0, NotChecked=0, Total=1190 [2021-06-06 21:14:02,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:14:02,528 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:14:02,528 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 35 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:14:02,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:14:02,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:14:02,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:14:02,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:14:02,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:14:02,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:14:02,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:14:02,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:14:02,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:14:02,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:02,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:14:02,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:02,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:02,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:02,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:02,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:14:02,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:14:02,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:14:02,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:02,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:14:02,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:14:02,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:14:02,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:14:02,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:14:02,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:14:02,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:14:02,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:14:02,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:14:02,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:14:02,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:14:02,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:14:02,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:14:02,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:14:02,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:14:02,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:14:02,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:14:02,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:14:02,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:14:02,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 21:14:02,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 21:14:02,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:14:02,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 21:14:02,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:14:02,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:14:03,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:14:03,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:14:03,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:14:03,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:14:03,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:14:03,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:14:03,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:14:03,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:14:03,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:14:03,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:03,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:14:03,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:03,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:03,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:03,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:03,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:14:03,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:14:03,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:14:03,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:03,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:14:03,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:14:03,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:14:03,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:14:03,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:14:03,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:14:03,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:14:03,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:14:03,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:14:03,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:14:03,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:14:03,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:14:03,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:14:03,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:14:03,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:14:03,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:14:03,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:14:03,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:14:03,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:14:03,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 21:14:03,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-06 21:14:03,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:14:03,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 21:14:03,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:14:03,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:14:03,956 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable845 [2021-06-06 21:14:03,956 INFO L430 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:14:03,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:14:03,957 INFO L82 PathProgramCache]: Analyzing trace with hash -811609936, now seen corresponding path program 39 times [2021-06-06 21:14:03,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:14:03,957 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859414485] [2021-06-06 21:14:03,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:14:03,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:14:04,909 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:14:04,909 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:14:04,909 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859414485] [2021-06-06 21:14:04,909 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859414485] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:14:04,909 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2142355637] [2021-06-06 21:14:04,909 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:14:04,959 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-06 21:14:04,959 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:14:04,961 WARN L261 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 111 conjunts are in the unsatisfiable core [2021-06-06 21:14:04,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:14:06,147 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2021-06-06 21:14:06,439 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2021-06-06 21:14:06,794 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2021-06-06 21:14:07,161 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2021-06-06 21:14:07,580 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2021-06-06 21:14:08,060 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-06-06 21:14:08,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,136 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:08,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,140 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:08,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,144 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:08,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,150 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:08,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,151 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:08,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,154 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:08,154 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:08,158 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:08,164 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:08,170 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:08,177 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:08,178 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:08,181 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:08,181 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:08,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 83 [2021-06-06 21:14:08,183 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:14:08,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,191 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:08,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,195 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:08,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,199 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:08,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,205 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:08,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,206 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:08,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,209 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:08,209 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:08,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 91 [2021-06-06 21:14:08,211 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:14:08,333 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-06-06 21:14:08,334 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:14:08,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,340 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:08,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,345 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:08,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,349 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:08,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,353 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:08,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,357 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:08,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,358 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:08,359 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:08,363 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:08,369 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:08,375 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:08,381 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:08,385 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:08,387 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:08,388 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:08,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 91 [2021-06-06 21:14:08,390 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:14:08,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,395 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:08,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,401 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:08,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,405 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:08,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,409 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:08,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,412 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:08,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:08,414 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:08,414 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:08,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 93 [2021-06-06 21:14:08,417 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:14:08,505 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:14:08,512 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-06-06 21:14:08,513 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:566, output treesize:340 [2021-06-06 21:14:09,484 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 149 [2021-06-06 21:14:10,050 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 173 [2021-06-06 21:14:10,634 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 173 [2021-06-06 21:14:11,097 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 173 [2021-06-06 21:14:11,567 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 173 [2021-06-06 21:14:12,176 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 173 [2021-06-06 21:14:12,285 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_262, array_4, v_prenex_264, v_prenex_266, v_prenex_268], 28=[v_prenex_261, array_2, v_prenex_263, v_prenex_265, v_prenex_267]} [2021-06-06 21:14:12,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 64 [2021-06-06 21:14:12,308 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:14:12,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 66 [2021-06-06 21:14:12,317 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:14:12,502 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 147 [2021-06-06 21:14:12,502 INFO L628 ElimStorePlain]: treesize reduction 369, result has 43.9 percent of original size [2021-06-06 21:14:12,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2021-06-06 21:14:12,508 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:14:12,556 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:14:12,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 63 [2021-06-06 21:14:12,562 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-06-06 21:14:12,604 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:14:12,604 INFO L518 ElimStorePlain]: Eliminatee v_prenex_266 vanished before elimination [2021-06-06 21:14:12,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 63 [2021-06-06 21:14:12,610 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2021-06-06 21:14:12,647 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:14:12,651 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:12,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-06 21:14:12,651 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 21:14:12,686 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:14:12,689 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:12,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-06 21:14:12,690 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 21:14:12,726 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:14:12,729 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:12,729 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:12,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-06 21:14:12,730 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 21:14:12,733 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:12,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-06 21:14:12,734 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 21:14:12,741 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:14:12,773 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:14:12,774 INFO L518 ElimStorePlain]: Eliminatee v_prenex_265 vanished before elimination [2021-06-06 21:14:12,776 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:12,777 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:12,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-06-06 21:14:12,778 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 21:14:12,780 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:12,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-06 21:14:12,781 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 21:14:12,788 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:14:12,819 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:14:12,821 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 10 dim-1 vars, End of recursive call: and 7 xjuncts. [2021-06-06 21:14:12,821 INFO L247 ElimStorePlain]: Needed 12 recursive calls to eliminate 15 variables, input treesize:779, output treesize:52 [2021-06-06 21:14:12,945 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:14:12,946 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2142355637] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:14:12,946 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:14:12,946 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 26] total 51 [2021-06-06 21:14:12,946 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460156619] [2021-06-06 21:14:12,946 INFO L462 AbstractCegarLoop]: Interpolant automaton has 51 states [2021-06-06 21:14:12,946 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:14:12,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-06-06 21:14:12,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=2447, Unknown=0, NotChecked=0, Total=2550 [2021-06-06 21:14:12,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:14:12,947 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:14:12,947 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 51 states, 51 states have (on average 1.2941176470588236) internal successors, (66), 51 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:14:12,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:14:12,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:14:12,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:14:12,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:14:12,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:14:12,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:14:12,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:14:12,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:14:12,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:14:12,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:12,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:14:12,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:12,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:12,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:12,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:12,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:14:12,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:14:12,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:14:12,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:12,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:14:12,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:14:12,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:14:12,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:14:12,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:14:12,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:14:12,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:14:12,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:14:12,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:14:12,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:14:12,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:14:12,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:14:12,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:14:12,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:14:12,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:14:12,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:14:12,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:14:12,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:14:12,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:14:12,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 21:14:12,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-06 21:14:12,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:14:12,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 21:14:12,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:14:12,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:14:12,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:14:16,263 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 80 [2021-06-06 21:14:16,674 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 123 [2021-06-06 21:14:17,195 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 136 [2021-06-06 21:14:17,779 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 140 [2021-06-06 21:14:18,412 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 146 [2021-06-06 21:14:19,091 WARN L205 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 149 [2021-06-06 21:14:19,826 WARN L205 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 152 [2021-06-06 21:14:20,707 WARN L205 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 157 [2021-06-06 21:14:21,382 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 219 [2021-06-06 21:14:22,437 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 116 [2021-06-06 21:14:22,861 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 127 [2021-06-06 21:14:23,349 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 131 [2021-06-06 21:14:23,850 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 135 [2021-06-06 21:14:24,368 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 139 [2021-06-06 21:14:24,980 WARN L205 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 143 [2021-06-06 21:14:25,634 WARN L205 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 147 [2021-06-06 21:14:26,069 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 204 [2021-06-06 21:14:27,518 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 159 [2021-06-06 21:14:27,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:14:27,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:14:27,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:14:27,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:14:27,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:14:27,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:14:27,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:14:27,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:14:27,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:14:27,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:27,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:14:27,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:27,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:27,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:27,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:27,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:14:27,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:14:27,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:14:27,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:27,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:14:27,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:14:27,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:14:27,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:14:27,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:14:27,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:14:27,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:14:27,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:14:27,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:14:27,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:14:27,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:14:27,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:14:27,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:14:27,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:14:27,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:14:27,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:14:27,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:14:27,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:14:27,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:14:27,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 21:14:27,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-06 21:14:27,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:14:27,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 21:14:27,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:14:27,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:14:27,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:14:27,723 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable851 [2021-06-06 21:14:27,723 INFO L430 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:14:27,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:14:27,724 INFO L82 PathProgramCache]: Analyzing trace with hash -295696644, now seen corresponding path program 40 times [2021-06-06 21:14:27,724 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:14:27,724 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126957334] [2021-06-06 21:14:27,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:14:27,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:14:28,592 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:14:28,593 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:14:28,593 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126957334] [2021-06-06 21:14:28,593 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126957334] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:14:28,593 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [976825156] [2021-06-06 21:14:28,593 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:14:28,638 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 21:14:28,638 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:14:28,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 77 conjunts are in the unsatisfiable core [2021-06-06 21:14:28,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:14:29,580 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:29,581 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:29,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 21:14:29,582 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:14:29,585 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:29,585 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:29,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 21:14:29,586 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:14:29,590 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:29,590 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:29,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 21:14:29,591 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:14:29,594 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:29,595 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:29,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 21:14:29,595 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:14:29,599 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:29,599 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:29,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-06 21:14:29,600 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 21:14:29,603 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:29,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-06-06 21:14:29,604 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 21:14:29,714 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2021-06-06 21:14:29,715 INFO L628 ElimStorePlain]: treesize reduction 2, result has 98.8 percent of original size [2021-06-06 21:14:29,719 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 6 xjuncts. [2021-06-06 21:14:29,719 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:223, output treesize:156 [2021-06-06 21:14:31,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:31,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:31,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:31,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:31,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:31,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:31,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:31,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:31,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:31,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:31,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:31,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:31,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:31,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:31,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:31,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:31,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:31,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:31,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:31,140 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:31,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:31,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:31,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:31,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:31,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:31,156 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:31,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 61 [2021-06-06 21:14:31,163 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:14:31,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:31,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:31,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:31,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:31,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:31,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:31,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:31,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:31,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:31,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:31,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:31,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:31,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:31,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:31,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:31,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:31,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:31,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:31,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:31,177 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:31,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:31,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:31,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:31,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:31,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:31,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 63 [2021-06-06 21:14:31,183 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-06 21:14:31,210 INFO L628 ElimStorePlain]: treesize reduction 149, result has 15.3 percent of original size [2021-06-06 21:14:31,212 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:31,212 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-06 21:14:31,213 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:14:31,219 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:14:31,220 INFO L518 ElimStorePlain]: Eliminatee v_prenex_287 vanished before elimination [2021-06-06 21:14:31,220 INFO L518 ElimStorePlain]: Eliminatee v_prenex_288 vanished before elimination [2021-06-06 21:14:31,220 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 21:14:31,220 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 8 variables, input treesize:306, output treesize:13 [2021-06-06 21:14:31,279 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:14:31,279 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [976825156] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:14:31,279 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:14:31,280 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 28] total 47 [2021-06-06 21:14:31,280 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485134005] [2021-06-06 21:14:31,280 INFO L462 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-06-06 21:14:31,280 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:14:31,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-06-06 21:14:31,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=2060, Unknown=0, NotChecked=0, Total=2162 [2021-06-06 21:14:31,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:14:31,281 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:14:31,281 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 1.297872340425532) internal successors, (61), 47 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:14:31,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:14:31,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:14:31,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:14:31,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:14:31,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:14:31,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:14:31,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:14:31,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:14:31,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:14:31,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:31,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:14:31,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:31,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:31,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:31,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:31,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:14:31,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:14:31,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:14:31,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:31,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:14:31,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:14:31,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:14:31,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:14:31,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:14:31,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:14:31,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:14:31,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:14:31,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:14:31,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:14:31,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:14:31,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:14:31,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:14:31,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:14:31,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:14:31,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:14:31,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:14:31,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:14:31,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:14:31,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 21:14:31,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-06 21:14:31,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:14:31,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 21:14:31,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:14:31,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:14:31,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:14:31,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:14:34,371 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 70 [2021-06-06 21:14:34,641 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 66 [2021-06-06 21:14:37,472 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 76 [2021-06-06 21:14:37,735 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 81 [2021-06-06 21:14:38,018 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2021-06-06 21:14:38,312 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 91 [2021-06-06 21:14:38,640 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 95 [2021-06-06 21:14:38,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:14:38,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:14:38,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:14:38,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:14:38,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:14:38,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:14:38,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:14:38,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:14:38,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:14:38,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:38,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:14:38,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:38,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:38,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:38,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:38,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:14:38,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:14:38,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:14:38,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:38,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:14:38,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:14:38,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:14:38,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:14:38,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:14:38,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:14:38,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:14:38,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:14:38,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:14:38,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:14:38,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:14:38,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:14:38,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:14:38,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:14:38,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:14:38,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:14:38,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:14:38,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:14:38,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:14:38,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 21:14:38,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-06 21:14:38,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:14:38,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 21:14:38,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:14:38,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:14:38,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:14:38,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-06 21:14:39,018 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable915,47 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:14:39,018 INFO L430 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:14:39,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:14:39,018 INFO L82 PathProgramCache]: Analyzing trace with hash -1473129710, now seen corresponding path program 41 times [2021-06-06 21:14:39,018 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:14:39,018 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696150726] [2021-06-06 21:14:39,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:14:39,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:14:39,490 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 8 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:14:39,490 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:14:39,490 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696150726] [2021-06-06 21:14:39,490 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696150726] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:14:39,490 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1438016033] [2021-06-06 21:14:39,491 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:14:39,542 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-06-06 21:14:39,542 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:14:39,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 56 conjunts are in the unsatisfiable core [2021-06-06 21:14:39,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:14:40,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 21:14:40,120 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:14:40,122 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:40,122 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:40,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 21:14:40,123 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:14:40,126 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:40,126 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:40,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 21:14:40,127 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:14:40,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 21:14:40,130 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:14:40,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 21:14:40,133 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 21:14:40,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 21:14:40,136 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 21:14:40,194 INFO L628 ElimStorePlain]: treesize reduction 34, result has 69.1 percent of original size [2021-06-06 21:14:40,196 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2021-06-06 21:14:40,196 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:163, output treesize:66 [2021-06-06 21:14:40,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 21:14:40,678 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:14:40,680 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:40,680 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:40,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 21:14:40,681 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:14:40,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 21:14:40,683 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:14:40,685 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:40,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 21:14:40,686 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:14:40,718 INFO L628 ElimStorePlain]: treesize reduction 36, result has 41.0 percent of original size [2021-06-06 21:14:40,719 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 21:14:40,719 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 21:14:40,719 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:99, output treesize:19 [2021-06-06 21:14:40,766 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 8 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:14:40,766 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1438016033] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:14:40,766 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:14:40,766 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 46 [2021-06-06 21:14:40,767 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554534848] [2021-06-06 21:14:40,767 INFO L462 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-06-06 21:14:40,767 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:14:40,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-06-06 21:14:40,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=1948, Unknown=0, NotChecked=0, Total=2070 [2021-06-06 21:14:40,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:14:40,767 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:14:40,768 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 46 states, 46 states have (on average 1.2608695652173914) internal successors, (58), 46 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:14:40,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:14:40,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:14:40,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:14:40,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:14:40,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:14:40,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:14:40,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:14:40,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:14:40,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:14:40,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:40,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:14:40,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:40,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:40,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:40,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:40,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:14:40,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:14:40,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:14:40,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:40,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:14:40,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:14:40,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:14:40,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:14:40,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:14:40,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:14:40,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:14:40,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:14:40,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:14:40,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:14:40,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:14:40,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:14:40,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:14:40,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:14:40,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:14:40,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:14:40,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:14:40,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:14:40,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:14:40,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 21:14:40,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-06 21:14:40,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:14:40,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 21:14:40,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:14:40,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:14:40,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:14:40,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-06 21:14:40,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:14:42,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:14:42,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:14:42,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:14:42,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:14:42,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:14:42,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:14:42,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:14:42,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:14:42,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:14:42,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:42,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:14:42,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:42,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:42,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:42,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:42,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:14:42,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:14:42,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:14:42,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:42,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:14:42,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:14:42,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:14:42,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:14:42,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:14:42,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:14:42,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:14:42,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:14:42,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:14:42,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:14:42,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:14:42,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:14:42,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:14:42,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:14:42,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:14:42,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:14:42,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:14:42,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:14:42,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:14:42,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 21:14:42,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-06 21:14:42,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:14:42,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 21:14:42,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:14:42,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:14:42,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:14:42,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-06 21:14:42,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:14:43,168 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable960,48 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:14:43,168 INFO L430 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:14:43,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:14:43,168 INFO L82 PathProgramCache]: Analyzing trace with hash -1843080132, now seen corresponding path program 42 times [2021-06-06 21:14:43,168 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:14:43,168 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293416252] [2021-06-06 21:14:43,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:14:43,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:14:43,554 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 1 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:14:43,554 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:14:43,554 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293416252] [2021-06-06 21:14:43,554 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293416252] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:14:43,554 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1929305563] [2021-06-06 21:14:43,554 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:14:43,613 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-06 21:14:43,613 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:14:43,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 47 conjunts are in the unsatisfiable core [2021-06-06 21:14:43,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:14:43,834 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:43,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 21:14:43,835 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:14:43,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-06-06 21:14:43,838 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:14:43,853 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:14:43,854 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 21:14:43,854 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:61, output treesize:47 [2021-06-06 21:14:44,116 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:44,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 21:14:44,117 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:14:44,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 21:14:44,119 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:14:44,132 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-06 21:14:44,132 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 21:14:44,132 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 21:14:44,132 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-06 21:14:44,166 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 1 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:14:44,166 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1929305563] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:14:44,166 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:14:44,166 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 40 [2021-06-06 21:14:44,166 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837240056] [2021-06-06 21:14:44,166 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-06-06 21:14:44,166 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:14:44,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-06-06 21:14:44,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1459, Unknown=0, NotChecked=0, Total=1560 [2021-06-06 21:14:44,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:14:44,167 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:14:44,167 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 1.325) internal successors, (53), 40 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:14:44,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:14:44,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:14:44,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:14:44,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:14:44,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:14:44,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:14:44,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:14:44,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:14:44,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:14:44,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:44,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:14:44,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:44,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:44,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:44,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:44,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:14:44,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:14:44,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:14:44,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:44,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:14:44,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:14:44,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:14:44,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:14:44,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:14:44,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:14:44,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:14:44,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:14:44,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:14:44,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:14:44,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:14:44,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:14:44,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:14:44,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:14:44,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:14:44,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:14:44,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:14:44,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:14:44,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:14:44,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 21:14:44,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-06 21:14:44,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:14:44,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 21:14:44,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:14:44,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:14:44,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:14:44,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-06 21:14:44,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:14:44,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:14:45,777 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 183 [2021-06-06 21:14:46,192 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 183 [2021-06-06 21:14:46,604 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 183 [2021-06-06 21:14:47,022 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 183 [2021-06-06 21:14:47,441 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 183 [2021-06-06 21:14:47,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:14:47,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:14:47,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:14:47,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:14:47,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:14:47,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:14:47,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:14:47,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:14:47,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:14:47,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:47,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:14:47,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:47,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:47,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:47,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:47,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:14:47,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:14:47,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:14:47,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:47,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:14:47,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:14:47,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:14:47,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:14:47,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:14:47,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:14:47,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:14:47,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:14:47,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:14:47,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:14:47,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:14:47,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:14:47,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:14:47,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:14:47,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:14:47,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:14:47,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:14:47,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:14:47,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:14:47,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 21:14:47,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-06 21:14:47,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:14:47,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 21:14:47,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:14:47,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:14:47,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:14:47,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-06 21:14:47,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:14:47,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:14:47,787 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable970 [2021-06-06 21:14:47,787 INFO L430 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:14:47,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:14:47,788 INFO L82 PathProgramCache]: Analyzing trace with hash -286572578, now seen corresponding path program 43 times [2021-06-06 21:14:47,788 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:14:47,788 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271009388] [2021-06-06 21:14:47,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:14:47,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:14:48,453 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 1 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:14:48,453 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:14:48,453 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271009388] [2021-06-06 21:14:48,453 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271009388] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:14:48,453 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1044581910] [2021-06-06 21:14:48,453 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:14:48,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:14:48,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 77 conjunts are in the unsatisfiable core [2021-06-06 21:14:48,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:14:50,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,309 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:50,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,322 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:50,326 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 69 [2021-06-06 21:14:50,329 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-06-06 21:14:50,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,347 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:50,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,363 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:50,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 53 [2021-06-06 21:14:50,366 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:14:50,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,384 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:50,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,398 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:50,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 61 [2021-06-06 21:14:50,401 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:14:50,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,425 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:50,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,444 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:50,445 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 60 [2021-06-06 21:14:50,448 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:14:50,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,462 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:50,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,476 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:50,480 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 68 [2021-06-06 21:14:50,483 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 21:14:50,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,500 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:50,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:14:50,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 61 [2021-06-06 21:14:50,503 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 21:14:50,668 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2021-06-06 21:14:50,669 INFO L628 ElimStorePlain]: treesize reduction 89, result has 74.6 percent of original size [2021-06-06 21:14:50,677 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-06-06 21:14:50,677 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:706, output treesize:261 [2021-06-06 21:14:52,586 INFO L446 ElimStorePlain]: Different costs {1=[array_4], 28=[array_2]} [2021-06-06 21:14:52,592 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:52,592 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:52,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-06-06 21:14:52,593 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:14:52,599 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:52,599 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:52,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-06-06 21:14:52,600 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:14:52,605 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:52,606 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:52,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2021-06-06 21:14:52,607 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:14:52,612 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:52,612 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:52,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2021-06-06 21:14:52,614 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-06-06 21:14:52,619 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:52,619 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:52,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-06-06 21:14:52,621 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 21:14:52,626 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:52,626 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:52,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-06-06 21:14:52,627 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 21:14:52,633 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:52,633 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:52,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-06 21:14:52,634 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 21:14:52,639 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:52,640 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:52,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 21:14:52,641 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 21:14:52,646 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:52,647 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:52,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-06 21:14:52,648 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 21:14:52,653 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:52,653 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:52,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 21:14:52,654 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 21:14:52,659 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:52,660 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:52,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2021-06-06 21:14:52,661 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 21:14:52,666 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:52,666 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:52,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 21:14:52,667 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 21:14:52,672 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:52,677 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:52,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-06-06 21:14:52,678 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 21:14:52,687 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:52,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 21:14:52,688 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 21:14:52,898 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 71 [2021-06-06 21:14:52,898 INFO L628 ElimStorePlain]: treesize reduction 200, result has 47.8 percent of original size [2021-06-06 21:14:52,903 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:52,903 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:52,903 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-06 21:14:52,904 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-06 21:14:52,908 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:14:52,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-06 21:14:52,909 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-06 21:14:52,979 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:14:52,982 INFO L550 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 2 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-06-06 21:14:52,982 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 9 variables, input treesize:547, output treesize:79 [2021-06-06 21:14:53,189 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:14:53,189 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1044581910] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:14:53,189 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:14:53,189 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 28] total 53 [2021-06-06 21:14:53,189 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253138283] [2021-06-06 21:14:53,189 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-06-06 21:14:53,189 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:14:53,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-06-06 21:14:53,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=2635, Unknown=0, NotChecked=0, Total=2756 [2021-06-06 21:14:53,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:14:53,190 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:14:53,190 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 1.2641509433962264) internal successors, (67), 53 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:14:53,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:14:53,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:14:53,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:14:53,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:14:53,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:14:53,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:14:53,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:14:53,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:14:53,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:14:53,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:53,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:14:53,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:53,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:53,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:53,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:53,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:14:53,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:14:53,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:14:53,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:14:53,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:14:53,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:14:53,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:14:53,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:14:53,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:14:53,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:14:53,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:14:53,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:14:53,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:14:53,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:14:53,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:14:53,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:14:53,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:14:53,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:14:53,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:14:53,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:14:53,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:14:53,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:14:53,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:14:53,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 21:14:53,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-06 21:14:53,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:14:53,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 21:14:53,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:14:53,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:14:53,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:14:53,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-06 21:14:53,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:14:53,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:14:53,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:14:55,974 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 112 [2021-06-06 21:14:56,262 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 113 [2021-06-06 21:14:56,640 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 113 [2021-06-06 21:14:57,012 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 113 [2021-06-06 21:14:57,384 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 111 [2021-06-06 21:14:57,772 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 111 [2021-06-06 21:14:58,132 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 111 [2021-06-06 21:14:58,700 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 143 [2021-06-06 21:14:59,672 WARN L205 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 175 [2021-06-06 21:15:01,635 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2021-06-06 21:15:01,907 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2021-06-06 21:15:02,313 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 133 [2021-06-06 21:15:03,013 WARN L205 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 165 [2021-06-06 21:15:06,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:15:06,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:15:06,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:15:06,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:15:06,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:15:06,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:15:06,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:15:06,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:06,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:15:06,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:06,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:15:06,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:06,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:06,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:06,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:06,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:15:06,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:15:06,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:15:06,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:06,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:06,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:06,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:06,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:15:06,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:06,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:06,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:06,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:15:06,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:06,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:06,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:15:06,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:15:06,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:15:06,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:06,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:15:06,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:15:06,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:15:06,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:15:06,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:15:06,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 21:15:06,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-06 21:15:06,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:15:06,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 21:15:06,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:15:06,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:15:06,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:15:06,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-06 21:15:06,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:15:06,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:15:06,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 21:15:06,533 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable973 [2021-06-06 21:15:06,533 INFO L430 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:15:06,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:15:06,533 INFO L82 PathProgramCache]: Analyzing trace with hash -864847120, now seen corresponding path program 44 times [2021-06-06 21:15:06,533 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:15:06,533 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853621634] [2021-06-06 21:15:06,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:15:06,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:15:06,980 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:15:06,980 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:15:06,980 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853621634] [2021-06-06 21:15:06,980 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853621634] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:15:06,981 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2141106140] [2021-06-06 21:15:06,981 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:15:07,045 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 21:15:07,045 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:15:07,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 46 conjunts are in the unsatisfiable core [2021-06-06 21:15:07,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:15:07,278 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:15:07,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 21:15:07,279 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:15:07,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-06-06 21:15:07,281 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:15:07,295 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:15:07,296 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 21:15:07,296 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:61, output treesize:47 [2021-06-06 21:15:07,528 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:15:07,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 21:15:07,529 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:15:07,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 21:15:07,531 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:15:07,543 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-06 21:15:07,543 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 21:15:07,544 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 21:15:07,544 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-06 21:15:07,577 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:15:07,577 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2141106140] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:15:07,577 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:15:07,577 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24] total 38 [2021-06-06 21:15:07,577 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742546746] [2021-06-06 21:15:07,578 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-06-06 21:15:07,578 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:15:07,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-06-06 21:15:07,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=1313, Unknown=0, NotChecked=0, Total=1406 [2021-06-06 21:15:07,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:15:07,578 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:15:07,578 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 1.3421052631578947) internal successors, (51), 38 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:15:07,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:15:07,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:15:07,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:15:07,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:15:07,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:15:07,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:15:07,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:15:07,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:07,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:15:07,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:07,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:15:07,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:07,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:07,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:07,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:07,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:15:07,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:15:07,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:15:07,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:07,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:07,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:07,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:07,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:15:07,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:07,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:07,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:07,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:15:07,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:07,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:07,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:15:07,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:15:07,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:15:07,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:07,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:15:07,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:15:07,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:15:07,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:15:07,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:15:07,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 21:15:07,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-06 21:15:07,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:15:07,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 21:15:07,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:15:07,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:15:07,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:15:07,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-06 21:15:07,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:15:07,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:15:07,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 21:15:07,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:15:08,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:15:08,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:15:08,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:15:08,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:15:08,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:15:08,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:15:08,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:15:08,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:08,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:15:08,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:08,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:15:08,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:08,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:08,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:08,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:08,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:15:08,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:15:08,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:15:08,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:08,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:08,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:08,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:08,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:15:08,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:08,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:08,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:08,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:15:08,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:08,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:08,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:15:08,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:15:08,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:15:08,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:08,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:15:08,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:15:08,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:15:08,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:15:08,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:15:08,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 21:15:08,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-06 21:15:08,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:15:08,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 21:15:08,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:15:08,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:15:08,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:15:08,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-06 21:15:08,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:15:08,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:15:08,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 21:15:08,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:15:09,125 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable996,51 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:15:09,126 INFO L430 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:15:09,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:15:09,126 INFO L82 PathProgramCache]: Analyzing trace with hash -417649220, now seen corresponding path program 45 times [2021-06-06 21:15:09,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:15:09,126 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410251841] [2021-06-06 21:15:09,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:15:09,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:15:09,501 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:15:09,501 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:15:09,501 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410251841] [2021-06-06 21:15:09,501 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410251841] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:15:09,502 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [652114827] [2021-06-06 21:15:09,502 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:15:09,568 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-06 21:15:09,568 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:15:09,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 58 conjunts are in the unsatisfiable core [2021-06-06 21:15:09,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:15:10,067 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:15:10,067 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:15:10,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 21:15:10,068 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:15:10,070 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:15:10,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 21:15:10,071 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:15:10,091 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:15:10,093 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-06-06 21:15:10,093 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:69, output treesize:55 [2021-06-06 21:15:10,577 INFO L446 ElimStorePlain]: Different costs {5=[array_4], 9=[array_2]} [2021-06-06 21:15:10,580 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:15:10,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2021-06-06 21:15:10,587 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:15:10,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 39 [2021-06-06 21:15:10,594 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:15:10,613 INFO L628 ElimStorePlain]: treesize reduction 39, result has 33.9 percent of original size [2021-06-06 21:15:10,613 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 21:15:10,614 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 21:15:10,614 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:129, output treesize:14 [2021-06-06 21:15:10,689 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 21:15:10,689 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [652114827] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:15:10,689 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:15:10,689 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 43 [2021-06-06 21:15:10,690 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924612644] [2021-06-06 21:15:10,690 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-06-06 21:15:10,690 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:15:10,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-06-06 21:15:10,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=1711, Unknown=0, NotChecked=0, Total=1806 [2021-06-06 21:15:10,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:15:10,690 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:15:10,691 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 43 states, 43 states have (on average 1.3953488372093024) internal successors, (60), 43 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:15:10,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:15:10,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:15:10,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:15:10,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:15:10,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:15:10,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:15:10,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:15:10,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:10,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:15:10,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:10,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:15:10,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:10,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:10,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:10,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:10,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:15:10,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:15:10,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:15:10,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:10,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:10,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:10,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:10,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:15:10,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:10,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:10,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:10,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:15:10,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:10,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:10,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:15:10,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:15:10,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:15:10,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:10,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:15:10,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:15:10,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:15:10,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:15:10,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:15:10,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 21:15:10,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-06 21:15:10,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:15:10,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 21:15:10,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:15:10,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:15:10,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:15:10,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-06 21:15:10,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:15:10,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:15:10,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 21:15:10,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:15:10,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:15:14,527 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 51 [2021-06-06 21:15:14,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:15:14,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:15:14,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:15:14,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:15:14,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:15:14,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:15:14,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:15:14,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:14,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:15:14,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:14,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:15:14,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:14,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:14,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:14,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:14,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:15:14,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:15:14,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:15:14,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:14,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:14,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:14,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:14,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:15:14,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:14,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:14,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:14,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:15:14,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:14,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:14,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:15:14,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:15:14,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:15:14,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:14,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:15:14,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:15:14,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:15:14,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:15:14,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:15:14,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 21:15:14,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-06 21:15:14,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:15:14,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 21:15:14,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:15:14,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:15:14,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:15:14,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-06 21:15:14,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:15:14,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:15:14,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 21:15:14,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:15:14,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:15:14,846 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable999 [2021-06-06 21:15:14,846 INFO L430 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:15:14,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:15:14,846 INFO L82 PathProgramCache]: Analyzing trace with hash -958692270, now seen corresponding path program 46 times [2021-06-06 21:15:14,846 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:15:14,846 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319654666] [2021-06-06 21:15:14,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:15:14,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:15:15,280 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:15:15,281 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:15:15,281 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319654666] [2021-06-06 21:15:15,281 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319654666] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:15:15,281 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [657866388] [2021-06-06 21:15:15,281 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:15:15,323 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 21:15:15,323 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:15:15,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 67 conjunts are in the unsatisfiable core [2021-06-06 21:15:15,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:15:15,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:15,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:15,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:15,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:15,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:15,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:15,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:15,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:15,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:15,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:15,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:15,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:15,805 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:15:15,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 52 [2021-06-06 21:15:15,815 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:15:15,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:15,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:15,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:15,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:15,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:15,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:15,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:15,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:15,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:15,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:15,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:15,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:15,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 44 [2021-06-06 21:15:15,824 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:15:15,841 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:15:15,842 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 21:15:15,842 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:165, output treesize:59 [2021-06-06 21:15:16,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-06-06 21:15:16,197 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-06 21:15:16,207 INFO L628 ElimStorePlain]: treesize reduction 7, result has 61.1 percent of original size [2021-06-06 21:15:16,207 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 21:15:16,207 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 21:15:16,208 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:31, output treesize:11 [2021-06-06 21:15:16,247 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:15:16,247 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [657866388] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:15:16,247 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:15:16,247 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 40 [2021-06-06 21:15:16,247 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440963966] [2021-06-06 21:15:16,247 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-06-06 21:15:16,247 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:15:16,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-06-06 21:15:16,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=1461, Unknown=0, NotChecked=0, Total=1560 [2021-06-06 21:15:16,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:15:16,248 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:15:16,248 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 1.35) internal successors, (54), 40 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:15:16,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:15:16,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:15:16,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:15:16,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:15:16,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:15:16,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:15:16,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:15:16,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:16,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:15:16,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:16,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:15:16,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:16,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:16,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:16,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:16,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:15:16,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:15:16,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:15:16,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:16,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:16,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:16,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:16,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:15:16,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:16,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:16,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:16,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:15:16,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:16,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:16,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:15:16,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:15:16,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:15:16,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:16,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:15:16,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:15:16,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:15:16,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:15:16,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:15:16,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 21:15:16,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-06 21:15:16,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:15:16,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 21:15:16,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:15:16,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:15:16,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:15:16,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-06 21:15:16,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:15:16,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:15:16,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 21:15:16,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:15:16,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:15:16,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:15:17,017 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 86 [2021-06-06 21:15:17,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:15:17,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:15:17,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:15:17,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:15:17,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:15:17,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:15:17,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:15:17,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:17,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:15:17,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:17,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:15:17,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:17,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:17,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:17,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:17,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:15:17,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:15:17,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:15:17,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:17,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:17,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:17,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:17,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:15:17,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:17,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:17,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:17,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:15:17,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:17,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:17,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:15:17,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:15:17,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:15:17,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:17,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:15:17,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:15:17,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:15:17,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:15:17,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:15:17,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 21:15:17,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-06 21:15:17,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:15:17,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 21:15:17,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:15:17,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:15:17,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:15:17,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-06 21:15:17,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:15:17,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:15:17,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 21:15:17,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:15:17,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:15:17,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:15:18,145 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 53 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1011 [2021-06-06 21:15:18,145 INFO L430 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:15:18,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:15:18,145 INFO L82 PathProgramCache]: Analyzing trace with hash -551157636, now seen corresponding path program 47 times [2021-06-06 21:15:18,145 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:15:18,145 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378816332] [2021-06-06 21:15:18,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:15:18,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:15:18,545 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 7 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:15:18,545 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:15:18,545 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378816332] [2021-06-06 21:15:18,545 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378816332] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:15:18,545 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [636528561] [2021-06-06 21:15:18,545 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 54 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 54 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:15:18,602 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-06-06 21:15:18,602 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:15:18,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 50 conjunts are in the unsatisfiable core [2021-06-06 21:15:18,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:15:18,854 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:15:18,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-06-06 21:15:18,855 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:15:18,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 21:15:18,858 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:15:18,872 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:15:18,873 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 21:15:18,873 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:57, output treesize:43 [2021-06-06 21:15:19,132 INFO L446 ElimStorePlain]: Different costs {0=[array_2], 1=[array_4]} [2021-06-06 21:15:19,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 21:15:19,135 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:15:19,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 21:15:19,137 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:15:19,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 21:15:19,139 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:15:19,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 21:15:19,141 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:15:19,159 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-06-06 21:15:19,159 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 21:15:19,159 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 21:15:19,159 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-06 21:15:19,196 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 7 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:15:19,196 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [636528561] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:15:19,196 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:15:19,196 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 40 [2021-06-06 21:15:19,196 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727987404] [2021-06-06 21:15:19,196 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-06-06 21:15:19,196 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:15:19,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-06-06 21:15:19,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=1461, Unknown=0, NotChecked=0, Total=1560 [2021-06-06 21:15:19,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:15:19,197 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:15:19,197 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 1.275) internal successors, (51), 40 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:15:19,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:15:19,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:15:19,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:15:19,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:15:19,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:15:19,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:15:19,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:15:19,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:19,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:15:19,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:19,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:15:19,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:19,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:19,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:19,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:19,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:15:19,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:15:19,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:15:19,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:19,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:19,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:19,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:19,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:15:19,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:19,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:19,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:19,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:15:19,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:19,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:19,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:15:19,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:15:19,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:15:19,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:19,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:15:19,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:15:19,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:15:19,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:15:19,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:15:19,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 21:15:19,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-06 21:15:19,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:15:19,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 21:15:19,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:15:19,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:15:19,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:15:19,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-06 21:15:19,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:15:19,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:15:19,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 21:15:19,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:15:19,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:15:19,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:15:19,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:15:20,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:15:20,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:15:20,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:15:20,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:15:20,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:15:20,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:15:20,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:15:20,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:20,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:15:20,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:20,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:15:20,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:20,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:20,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:20,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:20,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:15:20,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:15:20,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:15:20,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:20,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:20,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:20,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:20,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:15:20,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:20,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:20,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:20,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:15:20,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:20,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:20,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:15:20,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:15:20,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:15:20,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:20,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:15:20,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:15:20,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:15:20,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:15:20,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:15:20,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 21:15:20,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-06 21:15:20,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:15:20,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 21:15:20,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:15:20,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:15:20,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:15:20,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-06-06 21:15:20,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:15:20,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:15:20,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 21:15:20,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:15:20,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:15:20,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:15:20,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:15:21,148 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 54 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1025 [2021-06-06 21:15:21,148 INFO L430 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:15:21,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:15:21,148 INFO L82 PathProgramCache]: Analyzing trace with hash 1652869334, now seen corresponding path program 48 times [2021-06-06 21:15:21,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:15:21,148 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146454640] [2021-06-06 21:15:21,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:15:21,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:15:22,375 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:15:22,375 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:15:22,376 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146454640] [2021-06-06 21:15:22,376 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146454640] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:15:22,376 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1023967653] [2021-06-06 21:15:22,376 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:15:22,425 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-06 21:15:22,425 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:15:22,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 107 conjunts are in the unsatisfiable core [2021-06-06 21:15:22,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:15:25,091 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2021-06-06 21:15:25,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,659 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:15:25,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,683 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:15:25,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 68 [2021-06-06 21:15:25,702 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:15:25,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,708 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:15:25,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 70 [2021-06-06 21:15:25,725 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-06 21:15:25,874 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-06-06 21:15:25,874 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:15:25,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,886 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:15:25,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,903 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:15:25,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 62 [2021-06-06 21:15:25,918 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:15:25,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,929 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:15:25,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:25,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 60 [2021-06-06 21:15:25,943 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:15:26,036 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:15:26,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:26,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:26,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:26,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:26,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:26,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:26,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:26,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:26,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:26,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:26,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:26,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:26,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:26,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:26,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:26,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:26,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:26,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:26,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:26,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:26,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:26,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:26,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:26,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:26,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:26,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:26,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:26,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:26,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:26,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:26,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:26,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:26,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:26,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:26,060 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:15:26,083 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:15:26,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 62 [2021-06-06 21:15:26,086 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 21:15:26,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:26,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:26,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:26,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:26,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:26,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:26,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:26,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:26,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:26,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:26,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:26,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:26,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:26,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:26,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:26,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:26,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:26,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:26,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:26,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:26,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:26,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:26,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:26,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:26,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:26,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:26,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:26,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:26,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:26,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:26,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:26,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:26,109 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:15:26,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:26,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 60 [2021-06-06 21:15:26,112 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 21:15:26,167 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:15:26,173 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-1 vars, End of recursive call: 6 dim-0 vars, and 6 xjuncts. [2021-06-06 21:15:26,173 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:655, output treesize:169 [2021-06-06 21:15:27,128 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2021-06-06 21:15:27,646 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 95 [2021-06-06 21:15:28,264 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 128 [2021-06-06 21:15:28,976 WARN L205 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2021-06-06 21:15:29,811 WARN L205 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 138 [2021-06-06 21:15:30,777 WARN L205 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 143 [2021-06-06 21:15:31,857 WARN L205 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 147 [2021-06-06 21:15:32,012 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_338, array_4, v_prenex_340, v_prenex_342, v_prenex_334, v_prenex_336], 8=[v_prenex_339, array_2, v_prenex_341, v_prenex_333, v_prenex_335, v_prenex_337]} [2021-06-06 21:15:32,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 59 [2021-06-06 21:15:32,050 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:15:32,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 57 [2021-06-06 21:15:32,061 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:15:32,637 WARN L205 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 201 [2021-06-06 21:15:32,637 INFO L628 ElimStorePlain]: treesize reduction 339, result has 59.9 percent of original size [2021-06-06 21:15:32,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 56 [2021-06-06 21:15:32,647 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-06 21:15:32,778 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2021-06-06 21:15:32,779 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:15:32,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 41 [2021-06-06 21:15:32,787 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:15:32,904 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2021-06-06 21:15:32,904 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:15:32,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 50 [2021-06-06 21:15:32,912 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 21:15:33,016 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-06-06 21:15:33,016 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:15:33,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 50 [2021-06-06 21:15:33,050 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 21:15:33,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 52 [2021-06-06 21:15:33,059 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 21:15:33,130 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:15:33,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 41 [2021-06-06 21:15:33,138 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 21:15:33,194 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:15:33,194 INFO L518 ElimStorePlain]: Eliminatee v_prenex_339 vanished before elimination [2021-06-06 21:15:33,199 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:15:33,199 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:15:33,200 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-06 21:15:33,200 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 21:15:33,204 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:15:33,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-06-06 21:15:33,205 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 21:15:33,212 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:15:33,271 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:15:33,276 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:15:33,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-06 21:15:33,277 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 21:15:33,340 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:15:33,345 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:15:33,345 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:15:33,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2021-06-06 21:15:33,346 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 21:15:33,350 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:15:33,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-06 21:15:33,351 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 21:15:33,401 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:15:33,401 INFO L518 ElimStorePlain]: Eliminatee v_prenex_335 vanished before elimination [2021-06-06 21:15:33,405 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:15:33,405 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:15:33,405 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-06 21:15:33,406 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 21:15:33,409 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:15:33,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2021-06-06 21:15:33,410 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-06 21:15:33,457 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:15:33,459 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 12 dim-1 vars, End of recursive call: and 9 xjuncts. [2021-06-06 21:15:33,460 INFO L247 ElimStorePlain]: Needed 16 recursive calls to eliminate 18 variables, input treesize:957, output treesize:62 [2021-06-06 21:15:33,579 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:15:33,579 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1023967653] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:15:33,579 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:15:33,579 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 30] total 58 [2021-06-06 21:15:33,579 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190670760] [2021-06-06 21:15:33,580 INFO L462 AbstractCegarLoop]: Interpolant automaton has 58 states [2021-06-06 21:15:33,580 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:15:33,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2021-06-06 21:15:33,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=3166, Unknown=0, NotChecked=0, Total=3306 [2021-06-06 21:15:33,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:15:33,580 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:15:33,581 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 58 states, 58 states have (on average 1.2413793103448276) internal successors, (72), 58 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:15:33,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:15:33,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:15:33,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:15:33,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:15:33,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:15:33,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:15:33,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:15:33,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:33,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:15:33,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:33,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:15:33,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:33,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:33,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:33,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:33,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:15:33,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:15:33,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:15:33,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:33,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:33,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:33,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:33,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:15:33,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:33,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:33,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:33,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:15:33,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:33,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:33,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:15:33,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:15:33,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:15:33,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:33,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:15:33,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:15:33,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:15:33,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:15:33,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:15:33,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 21:15:33,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-06 21:15:33,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:15:33,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 21:15:33,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:15:33,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:15:33,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:15:33,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-06-06 21:15:33,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:15:33,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:15:33,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 21:15:33,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:15:33,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:15:33,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:15:33,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:15:33,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:15:36,469 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 89 [2021-06-06 21:15:36,950 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 161 [2021-06-06 21:15:37,415 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 163 [2021-06-06 21:15:37,913 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 165 [2021-06-06 21:15:38,404 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 165 [2021-06-06 21:15:38,945 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 165 [2021-06-06 21:15:39,468 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 165 [2021-06-06 21:15:39,980 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 165 [2021-06-06 21:15:41,051 WARN L205 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 165 [2021-06-06 21:15:41,666 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 143 [2021-06-06 21:15:43,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:15:43,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:15:43,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:15:43,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:15:43,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:15:43,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:15:43,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:15:43,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:43,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:15:43,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:43,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:15:43,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:43,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:43,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:43,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:43,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:15:43,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:15:43,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:15:43,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:43,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:43,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:43,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:43,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:15:43,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:43,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:43,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:43,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:15:43,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:43,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:43,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:15:43,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:15:43,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:15:43,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:43,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:15:43,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:15:43,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:15:43,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:15:43,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:15:43,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 21:15:43,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-06 21:15:43,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:15:43,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 21:15:43,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:15:43,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:15:43,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:15:43,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-06-06 21:15:43,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:15:43,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:15:43,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 21:15:43,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:15:43,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:15:43,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:15:43,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:15:43,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:15:43,599 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1031,55 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:15:43,599 INFO L430 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:15:43,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:15:43,599 INFO L82 PathProgramCache]: Analyzing trace with hash -1479972582, now seen corresponding path program 49 times [2021-06-06 21:15:43,599 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:15:43,599 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920450446] [2021-06-06 21:15:43,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:15:43,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:15:44,403 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:15:44,403 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:15:44,403 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920450446] [2021-06-06 21:15:44,403 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920450446] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:15:44,403 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1368923480] [2021-06-06 21:15:44,403 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:15:44,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:15:44,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 86 conjunts are in the unsatisfiable core [2021-06-06 21:15:44,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:15:45,582 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:15:45,583 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:15:45,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 21:15:45,584 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:15:45,589 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:15:45,589 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:15:45,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 21:15:45,590 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:15:45,594 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:15:45,595 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:15:45,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-06-06 21:15:45,596 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:15:45,600 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:15:45,600 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:15:45,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 21:15:45,601 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:15:45,606 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:15:45,607 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:15:45,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-06 21:15:45,608 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 21:15:45,612 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:15:45,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 21:15:45,613 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 21:15:45,763 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2021-06-06 21:15:45,763 INFO L628 ElimStorePlain]: treesize reduction 2, result has 99.0 percent of original size [2021-06-06 21:15:45,768 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 6 xjuncts. [2021-06-06 21:15:45,768 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:253, output treesize:181 [2021-06-06 21:15:47,326 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-06-06 21:15:47,390 INFO L446 ElimStorePlain]: Different costs {36=[array_2, array_4, v_prenex_357], 45=[v_prenex_355]} [2021-06-06 21:15:47,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:47,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:47,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:47,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:47,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:47,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:47,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:47,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:47,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:47,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:47,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:47,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:47,403 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:15:47,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:47,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:47,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:47,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:47,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:47,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:47,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:47,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:47,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:47,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:47,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:47,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:47,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:47,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:47,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:47,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:47,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:47,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 68 [2021-06-06 21:15:47,415 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:15:47,479 INFO L628 ElimStorePlain]: treesize reduction 152, result has 44.1 percent of original size [2021-06-06 21:15:47,479 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 21:15:47,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:47,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:47,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:47,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:47,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:47,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:47,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:47,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:47,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:47,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:47,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:47,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:47,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:47,488 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:15:47,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:47,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:47,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:47,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:47,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:47,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:47,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:47,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:47,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:47,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:47,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:47,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:47,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:47,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:47,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:47,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:15:47,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 70 [2021-06-06 21:15:47,499 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-06 21:15:47,522 INFO L628 ElimStorePlain]: treesize reduction 22, result has 57.7 percent of original size [2021-06-06 21:15:47,524 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:15:47,524 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-06 21:15:47,525 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:15:47,533 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:15:47,534 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 21:15:47,534 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 9 variables, input treesize:356, output treesize:13 [2021-06-06 21:15:47,592 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:15:47,592 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1368923480] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:15:47,592 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:15:47,592 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 51 [2021-06-06 21:15:47,592 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009233059] [2021-06-06 21:15:47,592 INFO L462 AbstractCegarLoop]: Interpolant automaton has 51 states [2021-06-06 21:15:47,592 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:15:47,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-06-06 21:15:47,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=2415, Unknown=0, NotChecked=0, Total=2550 [2021-06-06 21:15:47,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:15:47,593 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:15:47,593 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 51 states, 51 states have (on average 1.2941176470588236) internal successors, (66), 51 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:15:47,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:15:47,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:15:47,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:15:47,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:15:47,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:15:47,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:15:47,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:15:47,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:47,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:15:47,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:47,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:15:47,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:47,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:47,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:47,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:47,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:15:47,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:15:47,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:15:47,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:47,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:47,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:47,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:47,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:15:47,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:47,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:47,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:47,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:15:47,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:47,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:47,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:15:47,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:15:47,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:15:47,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:47,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:15:47,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:15:47,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:15:47,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:15:47,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:15:47,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 21:15:47,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-06 21:15:47,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:15:47,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 21:15:47,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:15:47,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:15:47,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:15:47,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-06-06 21:15:47,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:15:47,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:15:47,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 21:15:47,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:15:47,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:15:47,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:15:47,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:15:47,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:15:47,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:15:50,386 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 77 [2021-06-06 21:15:51,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:15:51,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:15:51,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:15:51,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:15:51,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:15:51,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:15:51,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:15:51,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:51,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:15:51,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:51,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:15:51,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:51,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:51,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:51,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:51,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:15:51,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:15:51,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:15:51,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:51,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:51,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:51,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:51,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:15:51,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:51,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:51,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:51,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:15:51,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:51,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:51,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:15:51,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:15:51,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:15:51,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:51,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:15:51,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:15:51,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:15:51,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:15:51,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:15:51,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 21:15:51,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-06 21:15:51,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:15:51,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 21:15:51,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:15:51,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:15:51,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:15:51,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-06-06 21:15:51,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:15:51,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:15:51,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 21:15:51,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:15:51,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:15:51,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:15:51,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:15:51,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:15:51,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:15:51,962 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1126,56 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:15:51,963 INFO L430 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:15:51,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:15:51,963 INFO L82 PathProgramCache]: Analyzing trace with hash 469021876, now seen corresponding path program 50 times [2021-06-06 21:15:51,963 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:15:51,963 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473693387] [2021-06-06 21:15:51,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:15:51,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:15:52,695 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:15:52,695 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:15:52,695 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473693387] [2021-06-06 21:15:52,695 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473693387] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:15:52,695 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1628848785] [2021-06-06 21:15:52,695 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 57 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 57 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:15:52,740 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 21:15:52,741 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:15:52,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 62 conjunts are in the unsatisfiable core [2021-06-06 21:15:52,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:15:53,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 21:15:53,453 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:15:53,455 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:15:53,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 21:15:53,456 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:15:53,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 21:15:53,458 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:15:53,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 21:15:53,461 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:15:53,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 21:15:53,464 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 21:15:53,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 21:15:53,466 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 21:15:53,500 INFO L628 ElimStorePlain]: treesize reduction 28, result has 61.1 percent of original size [2021-06-06 21:15:53,501 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-06 21:15:53,501 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:125, output treesize:44 [2021-06-06 21:15:53,939 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:15:53,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 21:15:53,940 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:15:53,941 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 21:15:53,942 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:15:53,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 21:15:53,944 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:15:53,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 21:15:53,946 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:15:53,959 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-06-06 21:15:53,959 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 21:15:53,959 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 21:15:53,959 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-06 21:15:54,009 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 9 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:15:54,009 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1628848785] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:15:54,009 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:15:54,010 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 31] total 61 [2021-06-06 21:15:54,010 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612670550] [2021-06-06 21:15:54,010 INFO L462 AbstractCegarLoop]: Interpolant automaton has 61 states [2021-06-06 21:15:54,010 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:15:54,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2021-06-06 21:15:54,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=3512, Unknown=0, NotChecked=0, Total=3660 [2021-06-06 21:15:54,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:15:54,011 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:15:54,011 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 61 states, 61 states have (on average 1.278688524590164) internal successors, (78), 61 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:15:54,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:15:54,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:15:54,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:15:54,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:15:54,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:15:54,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:15:54,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:15:54,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:54,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:15:54,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:54,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:15:54,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:54,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:54,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:54,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:54,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:15:54,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:15:54,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:15:54,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:54,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:54,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:54,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:54,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:15:54,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:54,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:54,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:54,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:15:54,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:54,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:54,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:15:54,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:15:54,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:15:54,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:54,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:15:54,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:15:54,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:15:54,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:15:54,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:15:54,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 21:15:54,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-06 21:15:54,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:15:54,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 21:15:54,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:15:54,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:15:54,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:15:54,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-06-06 21:15:54,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:15:54,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:15:54,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 21:15:54,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:15:54,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:15:54,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:15:54,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:15:54,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:15:54,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:15:54,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:15:57,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:15:57,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:15:57,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:15:57,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:15:57,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:15:57,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:15:57,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:15:57,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:57,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:15:57,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:57,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:15:57,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:57,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:57,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:57,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:57,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:15:57,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:15:57,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:15:57,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:57,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:57,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:57,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:57,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:15:57,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:57,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:57,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:57,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:15:57,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:57,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:57,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:15:57,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:15:57,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:15:57,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:57,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:15:57,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:15:57,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:15:57,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:15:57,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:15:57,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 21:15:57,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-06 21:15:57,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:15:57,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 21:15:57,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:15:57,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:15:57,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:15:57,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-06-06 21:15:57,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:15:57,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:15:57,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 21:15:57,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:15:57,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:15:57,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:15:57,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:15:57,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:15:57,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:15:57,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:15:57,563 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1160,57 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:15:57,563 INFO L430 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:15:57,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:15:57,564 INFO L82 PathProgramCache]: Analyzing trace with hash -333699622, now seen corresponding path program 51 times [2021-06-06 21:15:57,564 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:15:57,564 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013255026] [2021-06-06 21:15:57,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:15:57,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:15:58,057 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 1 proven. 100 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 21:15:58,057 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:15:58,057 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013255026] [2021-06-06 21:15:58,057 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013255026] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:15:58,057 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [504314539] [2021-06-06 21:15:58,057 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 58 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 58 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:15:58,109 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-06-06 21:15:58,109 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:15:58,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 53 conjunts are in the unsatisfiable core [2021-06-06 21:15:58,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:15:58,719 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:15:58,719 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:15:58,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 21:15:58,720 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:15:58,722 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:15:58,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 21:15:58,723 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:15:58,744 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:15:58,746 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-06-06 21:15:58,746 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:69, output treesize:55 [2021-06-06 21:15:59,255 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:15:59,256 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:15:59,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 21:15:59,257 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:15:59,259 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:15:59,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 21:15:59,260 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:15:59,282 INFO L628 ElimStorePlain]: treesize reduction 35, result has 36.4 percent of original size [2021-06-06 21:15:59,283 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 21:15:59,283 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 21:15:59,283 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:69, output treesize:12 [2021-06-06 21:15:59,330 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 1 proven. 101 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:15:59,330 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [504314539] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:15:59,330 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:15:59,330 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 53 [2021-06-06 21:15:59,330 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070611518] [2021-06-06 21:15:59,330 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-06-06 21:15:59,330 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:15:59,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-06-06 21:15:59,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=2637, Unknown=0, NotChecked=0, Total=2756 [2021-06-06 21:15:59,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:15:59,331 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:15:59,331 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 1.320754716981132) internal successors, (70), 53 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:15:59,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:15:59,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:15:59,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:15:59,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:15:59,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:15:59,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:15:59,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:15:59,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:59,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:15:59,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:59,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:15:59,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:59,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:59,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:59,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:59,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:15:59,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:15:59,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:15:59,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:15:59,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:59,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:59,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:59,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:15:59,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:59,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:59,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:15:59,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:15:59,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:59,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:59,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:15:59,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:15:59,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:15:59,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:15:59,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:15:59,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:15:59,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:15:59,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:15:59,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:15:59,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 21:15:59,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-06 21:15:59,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:15:59,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 21:15:59,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:15:59,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:15:59,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:15:59,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-06-06 21:15:59,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:15:59,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:15:59,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 21:15:59,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:15:59,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:15:59,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:15:59,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:15:59,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:15:59,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:15:59,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:15:59,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:16:04,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:16:04,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:16:04,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:16:04,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:16:04,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:16:04,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:16:04,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:16:04,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:04,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:16:04,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:04,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:16:04,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:04,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:04,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:04,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:04,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:16:04,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:16:04,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:16:04,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:04,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:04,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:04,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:04,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:16:04,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:04,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:04,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:04,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:16:04,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:04,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:04,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:16:04,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:16:04,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:16:04,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:04,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:16:04,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:16:04,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:16:04,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:16:04,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:16:04,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 21:16:04,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-06 21:16:04,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:16:04,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 21:16:04,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:16:04,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:16:04,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:16:04,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-06-06 21:16:04,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:16:04,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:16:04,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 21:16:04,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:16:04,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:16:04,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:16:04,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:16:04,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:16:04,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:16:04,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:16:04,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 21:16:04,896 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1168,58 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:16:04,896 INFO L430 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:16:04,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:16:04,896 INFO L82 PathProgramCache]: Analyzing trace with hash -1197126536, now seen corresponding path program 52 times [2021-06-06 21:16:04,896 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:16:04,896 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354976972] [2021-06-06 21:16:04,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:16:04,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:16:05,733 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:16:05,733 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:16:05,733 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354976972] [2021-06-06 21:16:05,733 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354976972] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:16:05,733 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1311093128] [2021-06-06 21:16:05,733 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 59 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 59 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:16:05,779 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 21:16:05,779 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:16:05,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 85 conjunts are in the unsatisfiable core [2021-06-06 21:16:05,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:16:06,807 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2021-06-06 21:16:07,305 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2021-06-06 21:16:07,550 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2021-06-06 21:16:07,794 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2021-06-06 21:16:08,051 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2021-06-06 21:16:08,316 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2021-06-06 21:16:08,572 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2021-06-06 21:16:08,847 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2021-06-06 21:16:09,118 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2021-06-06 21:16:09,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,196 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:09,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,217 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:09,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 70 [2021-06-06 21:16:09,229 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-06 21:16:09,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,245 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:09,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 68 [2021-06-06 21:16:09,255 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:16:09,404 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-06-06 21:16:09,404 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:16:09,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,419 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:09,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,439 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:09,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 62 [2021-06-06 21:16:09,451 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:16:09,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,466 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:09,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 60 [2021-06-06 21:16:09,477 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:16:09,583 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-06-06 21:16:09,583 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:16:09,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,606 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:09,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,628 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:09,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 62 [2021-06-06 21:16:09,632 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 21:16:09,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,653 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:09,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:09,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 60 [2021-06-06 21:16:09,657 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 21:16:09,718 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:16:09,724 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-1 vars, End of recursive call: 6 dim-0 vars, and 6 xjuncts. [2021-06-06 21:16:09,724 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:665, output treesize:179 [2021-06-06 21:16:11,709 INFO L446 ElimStorePlain]: Different costs {1=[array_4], 21=[array_2]} [2021-06-06 21:16:11,715 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:11,715 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:11,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-06-06 21:16:11,716 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:16:11,721 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:11,722 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:11,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-06 21:16:11,723 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:16:11,742 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:11,743 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:11,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-06-06 21:16:11,744 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:16:11,749 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:11,750 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:11,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2021-06-06 21:16:11,751 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:16:11,756 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:11,756 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:11,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-06-06 21:16:11,757 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 21:16:11,762 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:11,762 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:11,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 21:16:11,763 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 21:16:11,768 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:11,769 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:11,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 21:16:11,770 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 21:16:11,775 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:11,775 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:11,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 21:16:11,776 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 21:16:11,781 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:11,781 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:11,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 21:16:11,782 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 21:16:11,787 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:11,787 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:11,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2021-06-06 21:16:11,789 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 21:16:11,793 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:11,794 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:11,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 21:16:11,795 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 21:16:11,799 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:11,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-06-06 21:16:11,800 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 21:16:11,964 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 55 [2021-06-06 21:16:11,964 INFO L628 ElimStorePlain]: treesize reduction 98, result has 62.3 percent of original size [2021-06-06 21:16:11,969 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:11,969 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:11,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-06-06 21:16:11,970 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 21:16:11,974 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:11,974 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:11,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-06 21:16:11,978 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 21:16:11,982 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:11,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-06 21:16:11,983 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-06 21:16:12,050 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:16:12,052 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-1 vars, End of recursive call: and 8 xjuncts. [2021-06-06 21:16:12,052 INFO L247 ElimStorePlain]: Needed 16 recursive calls to eliminate 8 variables, input treesize:405, output treesize:96 [2021-06-06 21:16:12,275 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:16:12,275 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1311093128] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:16:12,275 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:16:12,275 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 31] total 59 [2021-06-06 21:16:12,275 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916774988] [2021-06-06 21:16:12,275 INFO L462 AbstractCegarLoop]: Interpolant automaton has 59 states [2021-06-06 21:16:12,275 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:16:12,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2021-06-06 21:16:12,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=3288, Unknown=0, NotChecked=0, Total=3422 [2021-06-06 21:16:12,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:16:12,276 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:16:12,276 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 59 states, 59 states have (on average 1.2372881355932204) internal successors, (73), 59 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:16:12,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:16:12,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:16:12,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:16:12,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:16:12,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:16:12,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:16:12,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:16:12,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:12,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:16:12,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:12,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:16:12,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:12,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:12,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:12,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:12,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:16:12,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:16:12,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:16:12,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:12,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:12,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:12,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:12,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:16:12,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:12,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:12,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:12,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:16:12,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:12,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:12,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:16:12,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:16:12,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:16:12,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:12,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:16:12,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:16:12,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:16:12,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:16:12,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:16:12,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 21:16:12,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-06 21:16:12,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:16:12,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 21:16:12,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:16:12,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:16:12,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:16:12,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-06-06 21:16:12,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:16:12,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:16:12,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 21:16:12,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:16:12,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:16:12,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:16:12,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:16:12,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:16:12,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:16:12,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:16:12,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 21:16:12,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:16:15,057 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 77 [2021-06-06 21:16:15,514 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 155 [2021-06-06 21:16:15,902 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 151 [2021-06-06 21:16:16,402 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 160 [2021-06-06 21:16:16,848 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 151 [2021-06-06 21:16:17,342 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 157 [2021-06-06 21:16:17,816 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 153 [2021-06-06 21:16:18,364 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 160 [2021-06-06 21:16:18,879 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 158 [2021-06-06 21:16:19,603 WARN L205 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 144 [2021-06-06 21:16:20,362 WARN L205 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 153 [2021-06-06 21:16:22,425 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 94 [2021-06-06 21:16:25,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:16:25,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:16:25,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:16:25,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:16:25,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:16:25,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:16:25,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:16:25,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:25,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:16:25,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:25,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:16:25,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:25,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:25,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:25,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:25,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:16:25,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:16:25,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:16:25,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:25,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:25,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:25,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:25,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:16:25,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:25,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:25,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:25,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:16:25,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:25,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:25,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:16:25,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:16:25,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:16:25,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:25,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:16:25,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:16:25,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:16:25,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:16:25,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:16:25,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 21:16:25,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-06 21:16:25,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:16:25,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 21:16:25,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:16:25,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:16:25,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:16:25,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-06-06 21:16:25,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:16:25,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:16:25,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 21:16:25,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:16:25,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:16:25,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:16:25,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:16:25,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:16:25,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:16:25,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:16:25,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 21:16:25,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 21:16:25,768 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 59 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1173 [2021-06-06 21:16:25,769 INFO L430 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:16:25,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:16:25,776 INFO L82 PathProgramCache]: Analyzing trace with hash -1738259306, now seen corresponding path program 53 times [2021-06-06 21:16:25,776 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:16:25,776 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458951624] [2021-06-06 21:16:25,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:16:25,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:16:26,204 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:16:26,204 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:16:26,204 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458951624] [2021-06-06 21:16:26,204 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458951624] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:16:26,204 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1956807998] [2021-06-06 21:16:26,204 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 60 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 60 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:16:26,251 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-06-06 21:16:26,251 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:16:26,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 51 conjunts are in the unsatisfiable core [2021-06-06 21:16:26,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:16:26,625 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:26,625 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:26,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 21:16:26,626 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:16:26,628 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:26,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 21:16:26,629 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:16:26,651 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:16:26,653 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-06-06 21:16:26,653 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:69, output treesize:55 [2021-06-06 21:16:27,071 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:27,072 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:27,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 21:16:27,073 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:16:27,075 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:27,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 21:16:27,075 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:16:27,096 INFO L628 ElimStorePlain]: treesize reduction 33, result has 35.3 percent of original size [2021-06-06 21:16:27,096 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 21:16:27,097 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 21:16:27,097 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:65, output treesize:15 [2021-06-06 21:16:27,143 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 21:16:27,143 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1956807998] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:16:27,143 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:16:27,143 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 26] total 44 [2021-06-06 21:16:27,143 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759544505] [2021-06-06 21:16:27,143 INFO L462 AbstractCegarLoop]: Interpolant automaton has 44 states [2021-06-06 21:16:27,143 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:16:27,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2021-06-06 21:16:27,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=1798, Unknown=0, NotChecked=0, Total=1892 [2021-06-06 21:16:27,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:16:27,144 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:16:27,144 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 44 states, 44 states have (on average 1.3409090909090908) internal successors, (59), 44 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:16:27,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:16:27,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:16:27,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:16:27,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:16:27,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:16:27,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:16:27,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:16:27,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:27,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:16:27,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:27,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:16:27,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:27,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:27,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:27,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:27,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:16:27,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:16:27,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:16:27,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:27,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:27,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:27,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:27,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:16:27,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:27,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:27,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:27,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:16:27,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:27,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:27,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:16:27,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:16:27,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:16:27,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:27,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:16:27,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:16:27,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:16:27,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:16:27,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:16:27,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 21:16:27,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-06 21:16:27,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:16:27,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 21:16:27,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:16:27,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:16:27,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:16:27,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-06-06 21:16:27,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:16:27,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:16:27,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 21:16:27,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:16:27,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:16:27,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:16:27,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:16:27,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:16:27,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:16:27,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:16:27,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 21:16:27,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 21:16:27,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:16:31,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:16:31,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:16:31,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:16:31,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:16:31,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:16:31,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:16:31,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:16:31,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:31,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:16:31,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:31,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:16:31,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:31,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:31,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:31,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:31,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:16:31,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:16:31,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:16:31,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:31,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:31,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:31,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:31,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:16:31,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:31,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:31,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:31,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:16:31,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:31,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:31,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:16:31,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:16:31,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:16:31,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:31,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:16:31,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:16:31,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:16:31,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:16:31,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:16:31,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 21:16:31,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-06 21:16:31,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:16:31,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 21:16:31,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:16:31,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:16:31,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:16:31,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-06-06 21:16:31,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:16:31,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:16:31,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 21:16:31,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:16:31,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:16:31,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:16:31,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:16:31,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:16:31,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:16:31,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:16:31,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 21:16:31,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-06 21:16:31,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 21:16:31,212 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1202,60 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:16:31,212 INFO L430 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:16:31,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:16:31,212 INFO L82 PathProgramCache]: Analyzing trace with hash -813736358, now seen corresponding path program 54 times [2021-06-06 21:16:31,212 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:16:31,212 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808171744] [2021-06-06 21:16:31,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:16:31,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:16:31,603 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:16:31,604 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:16:31,604 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808171744] [2021-06-06 21:16:31,604 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808171744] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:16:31,604 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [607804239] [2021-06-06 21:16:31,604 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 61 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 61 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:16:31,649 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-06 21:16:31,649 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:16:31,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 51 conjunts are in the unsatisfiable core [2021-06-06 21:16:31,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:16:31,916 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:31,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-06-06 21:16:31,917 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:16:31,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 21:16:31,919 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:16:31,933 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:16:31,933 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 21:16:31,933 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:61, output treesize:47 [2021-06-06 21:16:32,173 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:32,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 21:16:32,174 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:16:32,175 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 21:16:32,176 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:16:32,189 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-06 21:16:32,189 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 21:16:32,189 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 21:16:32,190 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-06 21:16:32,224 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:16:32,225 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [607804239] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:16:32,225 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:16:32,225 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 41 [2021-06-06 21:16:32,225 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801048075] [2021-06-06 21:16:32,225 INFO L462 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-06-06 21:16:32,225 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:16:32,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-06-06 21:16:32,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1539, Unknown=0, NotChecked=0, Total=1640 [2021-06-06 21:16:32,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:16:32,225 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:16:32,226 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 41 states, 41 states have (on average 1.3170731707317074) internal successors, (54), 41 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:16:32,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:16:32,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:16:32,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:16:32,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:16:32,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:16:32,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:16:32,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:16:32,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:32,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:16:32,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:32,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:16:32,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:32,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:32,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:32,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:32,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:16:32,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:16:32,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:16:32,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:32,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:32,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:32,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:32,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:16:32,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:32,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:32,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:32,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:16:32,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:32,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:32,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:16:32,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:16:32,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:16:32,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:32,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:16:32,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:16:32,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:16:32,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:16:32,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:16:32,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 21:16:32,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-06 21:16:32,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:16:32,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 21:16:32,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:16:32,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:16:32,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:16:32,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-06-06 21:16:32,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:16:32,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:16:32,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 21:16:32,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:16:32,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:16:32,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:16:32,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:16:32,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:16:32,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:16:32,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:16:32,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 21:16:32,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-06-06 21:16:32,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 21:16:32,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:16:33,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:16:33,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:16:33,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:16:33,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:16:33,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:16:33,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:16:33,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:16:33,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:33,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:16:33,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:33,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:16:33,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:33,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:33,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:33,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:33,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:16:33,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:16:33,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:16:33,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:33,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:33,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:33,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:33,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:16:33,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:33,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:33,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:33,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:16:33,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:33,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:33,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:16:33,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:16:33,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:16:33,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:33,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:16:33,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:16:33,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:16:33,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:16:33,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:16:33,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 21:16:33,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-06 21:16:33,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:16:33,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 21:16:33,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:16:33,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:16:33,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:16:33,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-06-06 21:16:33,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:16:33,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:16:33,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 21:16:33,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:16:33,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:16:33,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:16:33,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:16:33,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:16:33,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:16:33,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:16:33,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 21:16:33,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-06 21:16:33,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 21:16:33,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 21:16:33,983 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 61 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1207 [2021-06-06 21:16:33,983 INFO L430 AbstractCegarLoop]: === Iteration 61 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:16:33,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:16:33,983 INFO L82 PathProgramCache]: Analyzing trace with hash -352491660, now seen corresponding path program 55 times [2021-06-06 21:16:33,983 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:16:33,983 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189300227] [2021-06-06 21:16:33,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:16:33,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:16:34,505 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:16:34,505 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:16:34,505 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189300227] [2021-06-06 21:16:34,505 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189300227] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:16:34,505 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1363225628] [2021-06-06 21:16:34,506 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 62 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 62 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:16:34,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:16:34,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 76 conjunts are in the unsatisfiable core [2021-06-06 21:16:34,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:16:35,086 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:35,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 51 [2021-06-06 21:16:35,095 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:16:35,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 43 [2021-06-06 21:16:35,099 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:16:35,116 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:16:35,117 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 21:16:35,117 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:155, output treesize:59 [2021-06-06 21:16:35,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-06-06 21:16:35,527 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-06 21:16:35,535 INFO L628 ElimStorePlain]: treesize reduction 7, result has 61.1 percent of original size [2021-06-06 21:16:35,535 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 21:16:35,536 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 21:16:35,536 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:31, output treesize:11 [2021-06-06 21:16:35,578 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:16:35,578 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1363225628] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:16:35,579 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:16:35,579 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 45 [2021-06-06 21:16:35,579 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528333648] [2021-06-06 21:16:35,579 INFO L462 AbstractCegarLoop]: Interpolant automaton has 45 states [2021-06-06 21:16:35,579 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:16:35,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2021-06-06 21:16:35,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=1868, Unknown=0, NotChecked=0, Total=1980 [2021-06-06 21:16:35,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:16:35,579 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:16:35,579 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 45 states, 45 states have (on average 1.3111111111111111) internal successors, (59), 45 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:16:35,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:16:35,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:16:35,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:16:35,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:16:35,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:16:35,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:16:35,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:16:35,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:35,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:16:35,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:35,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:16:35,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:35,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:35,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:35,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:35,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:16:35,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:16:35,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:16:35,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:35,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:35,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:35,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:35,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:16:35,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:35,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:35,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:35,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:16:35,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:35,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:35,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:16:35,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:16:35,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:16:35,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:35,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:16:35,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:16:35,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:16:35,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:16:35,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:16:35,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 21:16:35,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-06 21:16:35,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:16:35,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 21:16:35,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:16:35,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:16:35,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:16:35,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-06-06 21:16:35,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:16:35,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:16:35,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 21:16:35,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:16:35,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:16:35,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:16:35,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:16:35,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:16:35,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:16:35,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:16:35,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 21:16:35,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-06-06 21:16:35,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 21:16:35,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 21:16:35,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:16:36,581 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 89 [2021-06-06 21:16:37,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:16:37,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:16:37,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:16:37,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:16:37,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:16:37,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:16:37,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:16:37,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:37,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:16:37,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:37,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:16:37,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:37,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:37,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:37,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:37,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:16:37,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:16:37,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:16:37,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:37,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:37,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:37,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:37,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:16:37,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:37,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:37,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:37,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:16:37,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:37,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:37,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:16:37,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:16:37,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:16:37,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:37,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:16:37,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:16:37,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:16:37,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:16:37,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:16:37,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 21:16:37,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-06 21:16:37,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:16:37,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 21:16:37,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:16:37,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:16:37,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:16:37,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-06-06 21:16:37,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:16:37,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:16:37,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 21:16:37,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:16:37,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:16:37,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:16:37,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:16:37,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:16:37,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:16:37,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:16:37,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 21:16:37,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-06 21:16:37,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 21:16:37,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 21:16:37,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:16:37,984 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 62 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1210 [2021-06-06 21:16:37,984 INFO L430 AbstractCegarLoop]: === Iteration 62 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:16:37,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:16:37,985 INFO L82 PathProgramCache]: Analyzing trace with hash 1061192090, now seen corresponding path program 56 times [2021-06-06 21:16:37,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:16:37,985 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639373630] [2021-06-06 21:16:37,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:16:38,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:16:38,516 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 8 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:16:38,516 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:16:38,516 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639373630] [2021-06-06 21:16:38,516 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639373630] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:16:38,516 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [49029432] [2021-06-06 21:16:38,516 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 63 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 63 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:16:38,562 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 21:16:38,562 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:16:38,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 56 conjunts are in the unsatisfiable core [2021-06-06 21:16:38,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:16:38,866 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:38,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 21:16:38,867 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:16:38,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-06-06 21:16:38,869 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:16:38,884 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:16:38,884 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 21:16:38,884 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:57, output treesize:43 [2021-06-06 21:16:39,215 INFO L446 ElimStorePlain]: Different costs {0=[array_2], 1=[array_4]} [2021-06-06 21:16:39,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 21:16:39,218 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:16:39,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 21:16:39,227 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:16:39,229 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 21:16:39,229 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:16:39,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 21:16:39,232 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:16:39,249 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-06-06 21:16:39,249 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 21:16:39,249 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 21:16:39,250 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-06 21:16:39,307 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 8 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:16:39,307 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [49029432] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:16:39,307 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:16:39,307 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 45 [2021-06-06 21:16:39,307 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641472903] [2021-06-06 21:16:39,308 INFO L462 AbstractCegarLoop]: Interpolant automaton has 45 states [2021-06-06 21:16:39,308 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:16:39,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2021-06-06 21:16:39,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=1868, Unknown=0, NotChecked=0, Total=1980 [2021-06-06 21:16:39,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:16:39,308 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:16:39,308 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 45 states, 45 states have (on average 1.2444444444444445) internal successors, (56), 45 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:16:39,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:16:39,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:16:39,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:16:39,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:16:39,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:16:39,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:16:39,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:16:39,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:39,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:16:39,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:39,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:16:39,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:39,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:39,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:39,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:39,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:16:39,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:16:39,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:16:39,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:39,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:39,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:39,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:39,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:16:39,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:39,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:39,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:39,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:16:39,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:39,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:39,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:16:39,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:16:39,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:16:39,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:39,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:16:39,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:16:39,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:16:39,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:16:39,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:16:39,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 21:16:39,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-06 21:16:39,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:16:39,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 21:16:39,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:16:39,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:16:39,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:16:39,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-06-06 21:16:39,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:16:39,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:16:39,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 21:16:39,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:16:39,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:16:39,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:16:39,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:16:39,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:16:39,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:16:39,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:16:39,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 21:16:39,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-06-06 21:16:39,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 21:16:39,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 21:16:39,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:16:39,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:16:41,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:16:41,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:16:41,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:16:41,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:16:41,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:16:41,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:16:41,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:16:41,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:41,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:16:41,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:41,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:16:41,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:41,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:41,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:41,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:41,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:16:41,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:16:41,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:16:41,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:41,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:41,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:41,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:41,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:16:41,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:41,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:41,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:41,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:16:41,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:41,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:41,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:16:41,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:16:41,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:16:41,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:41,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:16:41,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:16:41,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:16:41,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:16:41,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:16:41,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 21:16:41,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-06 21:16:41,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:16:41,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 21:16:41,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:16:41,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:16:41,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:16:41,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-06-06 21:16:41,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:16:41,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:16:41,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 21:16:41,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:16:41,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:16:41,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:16:41,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:16:41,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:16:41,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:16:41,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:16:41,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 21:16:41,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-06 21:16:41,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 21:16:41,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 21:16:41,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:16:41,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:16:41,530 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 63 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1225 [2021-06-06 21:16:41,530 INFO L430 AbstractCegarLoop]: === Iteration 63 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:16:41,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:16:41,531 INFO L82 PathProgramCache]: Analyzing trace with hash -234532176, now seen corresponding path program 57 times [2021-06-06 21:16:41,531 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:16:41,531 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966766423] [2021-06-06 21:16:41,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:16:41,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:16:42,073 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 118 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:16:42,074 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:16:42,074 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966766423] [2021-06-06 21:16:42,074 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966766423] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:16:42,074 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1590621162] [2021-06-06 21:16:42,074 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 64 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 64 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:16:42,125 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-06-06 21:16:42,125 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:16:42,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 58 conjunts are in the unsatisfiable core [2021-06-06 21:16:42,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:16:42,452 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:42,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 21:16:42,453 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:16:42,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-06-06 21:16:42,455 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:16:42,470 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:16:42,471 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 21:16:42,471 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:61, output treesize:47 [2021-06-06 21:16:42,827 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:42,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 21:16:42,828 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:16:42,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 21:16:42,830 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:16:42,842 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-06 21:16:42,842 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 21:16:42,843 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 21:16:42,843 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-06 21:16:42,882 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 118 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:16:42,883 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1590621162] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:16:42,883 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:16:42,883 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30] total 48 [2021-06-06 21:16:42,883 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974932793] [2021-06-06 21:16:42,883 INFO L462 AbstractCegarLoop]: Interpolant automaton has 48 states [2021-06-06 21:16:42,883 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:16:42,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2021-06-06 21:16:42,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=2137, Unknown=0, NotChecked=0, Total=2256 [2021-06-06 21:16:42,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:16:42,883 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:16:42,883 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 48 states, 48 states have (on average 1.2708333333333333) internal successors, (61), 48 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:16:42,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:16:42,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:16:42,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:16:42,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:16:42,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:16:42,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:16:42,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:16:42,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:42,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:16:42,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:42,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:16:42,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:42,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:42,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:42,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:42,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:16:42,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:16:42,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:16:42,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:42,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:42,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:42,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:42,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:16:42,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:42,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:42,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:42,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:16:42,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:42,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:42,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:16:42,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:16:42,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:16:42,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:42,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:16:42,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:16:42,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:16:42,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:16:42,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:16:42,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 21:16:42,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-06 21:16:42,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:16:42,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 21:16:42,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:16:42,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:16:42,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:16:42,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-06-06 21:16:42,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:16:42,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:16:42,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 21:16:42,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:16:42,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:16:42,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:16:42,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:16:42,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:16:42,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:16:42,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:16:42,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 21:16:42,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-06-06 21:16:42,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 21:16:42,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 21:16:42,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:16:42,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:16:42,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:16:45,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:16:45,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:16:45,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:16:45,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:16:45,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:16:45,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:16:45,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:16:45,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:45,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:16:45,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:45,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:16:45,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:45,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:45,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:45,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:45,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:16:45,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:16:45,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:16:45,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:45,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:45,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:45,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:45,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:16:45,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:45,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:45,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:45,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:16:45,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:45,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:45,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:16:45,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:16:45,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:16:45,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:45,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:16:45,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:16:45,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:16:45,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:16:45,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:16:45,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 21:16:45,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-06 21:16:45,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:16:45,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 21:16:45,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:16:45,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:16:45,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:16:45,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-06-06 21:16:45,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:16:45,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:16:45,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 21:16:45,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:16:45,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:16:45,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:16:45,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:16:45,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:16:45,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:16:45,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:16:45,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 21:16:45,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-06 21:16:45,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 21:16:45,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 21:16:45,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:16:45,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:16:45,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:16:45,267 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1232,64 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:16:45,267 INFO L430 AbstractCegarLoop]: === Iteration 64 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:16:45,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:16:45,268 INFO L82 PathProgramCache]: Analyzing trace with hash 422968798, now seen corresponding path program 58 times [2021-06-06 21:16:45,268 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:16:45,268 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380203372] [2021-06-06 21:16:45,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:16:45,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:16:45,813 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:16:45,813 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:16:45,813 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380203372] [2021-06-06 21:16:45,813 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380203372] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:16:45,813 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [911540180] [2021-06-06 21:16:45,813 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 65 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 65 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:16:45,860 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 21:16:45,861 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:16:45,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 62 conjunts are in the unsatisfiable core [2021-06-06 21:16:45,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:16:46,217 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:46,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-06-06 21:16:46,218 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:16:46,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 21:16:46,220 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:16:46,235 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:16:46,235 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 21:16:46,235 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:61, output treesize:47 [2021-06-06 21:16:46,600 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:46,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 21:16:46,601 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:16:46,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 21:16:46,603 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:16:46,615 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-06 21:16:46,615 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 21:16:46,616 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 21:16:46,616 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-06 21:16:46,657 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:16:46,657 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [911540180] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:16:46,657 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:16:46,657 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 50 [2021-06-06 21:16:46,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276099679] [2021-06-06 21:16:46,657 INFO L462 AbstractCegarLoop]: Interpolant automaton has 50 states [2021-06-06 21:16:46,657 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:16:46,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-06-06 21:16:46,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=2325, Unknown=0, NotChecked=0, Total=2450 [2021-06-06 21:16:46,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:16:46,658 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:16:46,658 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 50 states, 50 states have (on average 1.26) internal successors, (63), 50 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:16:46,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:16:46,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:16:46,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:16:46,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:16:46,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:16:46,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:16:46,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:16:46,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:46,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:16:46,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:46,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:16:46,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:46,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:46,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:46,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:46,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:16:46,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:16:46,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:16:46,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:46,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:46,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:46,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:46,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:16:46,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:46,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:46,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:46,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:16:46,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:46,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:46,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:16:46,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:16:46,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:16:46,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:46,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:16:46,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:16:46,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:16:46,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:16:46,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:16:46,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 21:16:46,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-06 21:16:46,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:16:46,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 21:16:46,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:16:46,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:16:46,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:16:46,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-06-06 21:16:46,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:16:46,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:16:46,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 21:16:46,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:16:46,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:16:46,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:16:46,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:16:46,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:16:46,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:16:46,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:16:46,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 21:16:46,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-06-06 21:16:46,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 21:16:46,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 21:16:46,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:16:46,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:16:46,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:16:46,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:16:48,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:16:48,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:16:48,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:16:48,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:16:48,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:16:48,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:16:48,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:16:48,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:48,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:16:48,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:48,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:16:48,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:48,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:48,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:48,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:48,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:16:48,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:16:48,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:16:48,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:16:48,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:48,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:48,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:48,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:16:48,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:48,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:48,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:16:48,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:16:48,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:48,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:48,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:16:48,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:16:48,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:16:48,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:16:48,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:16:48,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:16:48,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:16:48,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:16:48,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:16:48,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 21:16:48,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-06 21:16:48,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:16:48,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 21:16:48,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:16:48,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:16:48,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:16:48,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-06-06 21:16:48,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:16:48,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:16:48,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 21:16:48,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:16:48,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:16:48,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:16:48,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:16:48,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:16:48,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:16:48,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:16:48,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 21:16:48,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-06 21:16:48,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 21:16:48,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 21:16:48,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:16:48,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:16:48,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:16:48,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:16:48,792 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 65 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1235 [2021-06-06 21:16:48,793 INFO L430 AbstractCegarLoop]: === Iteration 65 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:16:48,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:16:48,793 INFO L82 PathProgramCache]: Analyzing trace with hash -669337488, now seen corresponding path program 59 times [2021-06-06 21:16:48,793 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:16:48,793 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017567590] [2021-06-06 21:16:48,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:16:48,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:16:50,008 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:16:50,009 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:16:50,009 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017567590] [2021-06-06 21:16:50,009 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017567590] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:16:50,009 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [358623622] [2021-06-06 21:16:50,009 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 66 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 66 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:16:50,064 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-06 21:16:50,065 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:16:50,069 WARN L261 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 141 conjunts are in the unsatisfiable core [2021-06-06 21:16:50,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:16:52,224 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-06-06 21:16:52,639 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2021-06-06 21:16:53,143 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-06-06 21:16:53,714 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-06-06 21:16:54,259 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2021-06-06 21:16:54,897 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2021-06-06 21:16:55,566 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2021-06-06 21:16:56,306 WARN L205 SmtUtils]: Spent 462.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2021-06-06 21:16:56,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,405 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:56,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,411 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:56,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,417 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:56,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,424 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:56,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,430 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:56,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,447 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:56,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,450 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:56,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,451 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:56,451 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:56,459 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:56,468 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:56,475 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:56,481 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:56,488 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:56,494 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:56,498 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:56,500 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:56,501 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:56,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 36 disjoint index pairs (out of 153 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 169 treesize of output 115 [2021-06-06 21:16:56,503 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:16:56,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,513 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:56,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,518 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:56,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,525 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:56,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,528 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:56,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,535 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:56,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,540 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:56,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,544 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:56,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,544 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:56,545 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:56,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 36 disjoint index pairs (out of 153 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 171 treesize of output 117 [2021-06-06 21:16:56,547 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:16:56,713 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2021-06-06 21:16:56,713 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:16:56,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,728 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:56,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,730 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:56,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,734 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:56,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,739 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:56,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,745 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:56,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,746 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:56,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,751 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:56,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,754 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:56,754 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:56,766 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:56,767 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:56,779 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:56,785 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:56,796 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:56,798 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:56,802 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:56,806 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:56,806 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:56,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 36 disjoint index pairs (out of 153 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 159 treesize of output 107 [2021-06-06 21:16:56,808 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:16:56,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,824 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:56,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,825 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:56,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,830 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:56,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,836 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:56,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,843 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:56,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,844 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:56,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,848 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:56,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:16:56,851 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:56,851 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:16:56,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 36 disjoint index pairs (out of 153 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 169 treesize of output 115 [2021-06-06 21:16:56,853 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:16:56,974 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-06-06 21:16:56,975 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:16:56,983 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-06-06 21:16:56,983 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:713, output treesize:415 [2021-06-06 21:16:58,493 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 180 [2021-06-06 21:16:59,357 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 210 [2021-06-06 21:17:00,083 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 210 [2021-06-06 21:17:00,953 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 210 [2021-06-06 21:17:01,626 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 210 [2021-06-06 21:17:02,442 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 210 [2021-06-06 21:17:03,151 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 210 [2021-06-06 21:17:03,861 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 210 [2021-06-06 21:17:03,986 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_405, array_4, v_prenex_399, v_prenex_401, v_prenex_403], 45=[v_prenex_404, array_2, v_prenex_398, v_prenex_400, v_prenex_402]} [2021-06-06 21:17:04,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 78 [2021-06-06 21:17:04,024 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:17:04,033 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 80 [2021-06-06 21:17:04,035 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:17:04,459 WARN L205 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 225 [2021-06-06 21:17:04,459 INFO L628 ElimStorePlain]: treesize reduction 316, result has 64.1 percent of original size [2021-06-06 21:17:04,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 73 [2021-06-06 21:17:04,493 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:17:04,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 71 [2021-06-06 21:17:04,503 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:17:04,605 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-06-06 21:17:04,605 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:17:04,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 77 [2021-06-06 21:17:04,614 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2021-06-06 21:17:04,712 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:17:04,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 62 [2021-06-06 21:17:04,720 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 21:17:04,795 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:17:04,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 77 [2021-06-06 21:17:04,802 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2021-06-06 21:17:04,866 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:17:04,871 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:17:04,872 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:17:04,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2021-06-06 21:17:04,872 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 21:17:04,877 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:17:04,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-06 21:17:04,878 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 21:17:04,937 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:17:04,942 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:17:04,942 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:17:04,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2021-06-06 21:17:04,943 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 21:17:04,947 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:17:04,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-06 21:17:04,948 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 21:17:05,006 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:17:05,010 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:17:05,011 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:17:05,011 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-06 21:17:05,012 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 21:17:05,015 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:17:05,015 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-06 21:17:05,016 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 21:17:05,023 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:17:05,077 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:17:05,078 INFO L518 ElimStorePlain]: Eliminatee v_prenex_400 vanished before elimination [2021-06-06 21:17:05,081 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:17:05,082 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:17:05,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-06 21:17:05,082 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 21:17:05,085 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:17:05,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-06-06 21:17:05,086 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-06 21:17:05,093 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:17:05,144 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:17:05,146 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 10 dim-1 vars, End of recursive call: and 9 xjuncts. [2021-06-06 21:17:05,147 INFO L247 ElimStorePlain]: Needed 16 recursive calls to eliminate 15 variables, input treesize:1037, output treesize:70 [2021-06-06 21:17:05,309 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:17:05,309 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [358623622] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:17:05,309 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:17:05,309 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 32] total 63 [2021-06-06 21:17:05,310 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528827165] [2021-06-06 21:17:05,310 INFO L462 AbstractCegarLoop]: Interpolant automaton has 63 states [2021-06-06 21:17:05,310 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:17:05,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2021-06-06 21:17:05,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=3779, Unknown=0, NotChecked=0, Total=3906 [2021-06-06 21:17:05,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:17:05,310 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:17:05,310 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 63 states, 63 states have (on average 1.2380952380952381) internal successors, (78), 63 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:17:05,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:17:05,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:17:05,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:17:05,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:17:05,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:17:05,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:17:05,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:17:05,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:17:05,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:17:05,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:17:05,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:17:05,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:17:05,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:17:05,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:17:05,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:17:05,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:17:05,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:17:05,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:17:05,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:17:05,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:17:05,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:17:05,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:17:05,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:17:05,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:17:05,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:17:05,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:17:05,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:17:05,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:17:05,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:17:05,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:17:05,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:17:05,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:17:05,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:17:05,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:17:05,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:17:05,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:17:05,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:17:05,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:17:05,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 21:17:05,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-06 21:17:05,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:17:05,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 21:17:05,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:17:05,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:17:05,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:17:05,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-06-06 21:17:05,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:17:05,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:17:05,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 21:17:05,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:17:05,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:17:05,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:17:05,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:17:05,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:17:05,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:17:05,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:17:05,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 21:17:05,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-06-06 21:17:05,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 21:17:05,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 21:17:05,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:17:05,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:17:05,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:17:05,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:17:05,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:17:10,867 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 92 [2021-06-06 21:17:11,619 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 146 [2021-06-06 21:17:12,559 WARN L205 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 159 [2021-06-06 21:17:13,641 WARN L205 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 163 [2021-06-06 21:17:14,802 WARN L205 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 167 [2021-06-06 21:17:15,975 WARN L205 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 209 [2021-06-06 21:17:17,304 WARN L205 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 211 [2021-06-06 21:17:18,655 WARN L205 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 215 [2021-06-06 21:17:20,164 WARN L205 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 221 [2021-06-06 21:17:21,742 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 247 DAG size of output: 224 [2021-06-06 21:17:22,831 WARN L205 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 268 [2021-06-06 21:17:24,732 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 136 [2021-06-06 21:17:25,490 WARN L205 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 147 [2021-06-06 21:17:26,281 WARN L205 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 151 [2021-06-06 21:17:27,226 WARN L205 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 155 [2021-06-06 21:17:28,188 WARN L205 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 197 [2021-06-06 21:17:29,266 WARN L205 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 201 [2021-06-06 21:17:30,359 WARN L205 SmtUtils]: Spent 795.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 205 [2021-06-06 21:17:31,529 WARN L205 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 209 [2021-06-06 21:17:32,816 WARN L205 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 213 [2021-06-06 21:17:33,456 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 241 [2021-06-06 21:17:35,884 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2021-06-06 21:17:35,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:17:35,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:17:35,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:17:35,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:17:35,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:17:35,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:17:35,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:17:35,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:17:35,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:17:35,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:17:35,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:17:35,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:17:35,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:17:35,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:17:35,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:17:35,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:17:35,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:17:35,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:17:35,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:17:35,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:17:35,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:17:35,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:17:35,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:17:35,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:17:35,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:17:35,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:17:35,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:17:35,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:17:35,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:17:35,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:17:35,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:17:35,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:17:35,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:17:35,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:17:35,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:17:35,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:17:35,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:17:35,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:17:35,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 21:17:35,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-06 21:17:35,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:17:35,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 21:17:35,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:17:35,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:17:35,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:17:35,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-06-06 21:17:35,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:17:35,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:17:35,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 21:17:35,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:17:35,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:17:35,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:17:35,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:17:35,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:17:35,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:17:35,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:17:35,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 21:17:35,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-06 21:17:35,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 21:17:35,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 21:17:35,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:17:35,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:17:35,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:17:35,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:17:35,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:17:36,091 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 66 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1238 [2021-06-06 21:17:36,091 INFO L430 AbstractCegarLoop]: === Iteration 66 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:17:36,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:17:36,092 INFO L82 PathProgramCache]: Analyzing trace with hash -349386820, now seen corresponding path program 60 times [2021-06-06 21:17:36,092 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:17:36,092 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805364281] [2021-06-06 21:17:36,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:17:36,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:17:37,213 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:17:37,214 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:17:37,214 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805364281] [2021-06-06 21:17:37,214 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805364281] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:17:37,214 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1126497340] [2021-06-06 21:17:37,214 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 67 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 67 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:17:37,268 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-06-06 21:17:37,268 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:17:37,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 94 conjunts are in the unsatisfiable core [2021-06-06 21:17:37,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:17:37,853 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:17:37,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-06-06 21:17:37,854 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:17:37,857 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:17:37,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2021-06-06 21:17:37,858 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:17:37,861 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:17:37,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 21:17:37,861 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:17:37,863 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 21:17:37,864 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:17:37,900 INFO L628 ElimStorePlain]: treesize reduction 4, result has 93.8 percent of original size [2021-06-06 21:17:37,901 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-06 21:17:37,901 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:129, output treesize:61 [2021-06-06 21:17:39,105 INFO L446 ElimStorePlain]: Different costs {36=[array_2], 45=[array_4]} [2021-06-06 21:17:39,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 67 [2021-06-06 21:17:39,151 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:17:39,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,194 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 75 [2021-06-06 21:17:39,196 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:17:39,199 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 21:17:39,199 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:17:39,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:17:39,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 77 [2021-06-06 21:17:39,222 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-06-06 21:17:39,261 INFO L628 ElimStorePlain]: treesize reduction 32, result has 65.6 percent of original size [2021-06-06 21:17:39,264 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:17:39,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-06 21:17:39,264 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 21:17:39,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-06-06 21:17:39,267 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 21:17:39,273 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:17:39,289 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:17:39,290 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 21:17:39,290 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:483, output treesize:45 [2021-06-06 21:17:39,423 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:17:39,423 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1126497340] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:17:39,424 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:17:39,424 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 34] total 56 [2021-06-06 21:17:39,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532052415] [2021-06-06 21:17:39,424 INFO L462 AbstractCegarLoop]: Interpolant automaton has 56 states [2021-06-06 21:17:39,424 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:17:39,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2021-06-06 21:17:39,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=2939, Unknown=0, NotChecked=0, Total=3080 [2021-06-06 21:17:39,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:17:39,424 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:17:39,425 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 56 states, 56 states have (on average 1.25) internal successors, (70), 56 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:17:39,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:17:39,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:17:39,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:17:39,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:17:39,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:17:39,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:17:39,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:17:39,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:17:39,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:17:39,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:17:39,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:17:39,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:17:39,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:17:39,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:17:39,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:17:39,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:17:39,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:17:39,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:17:39,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:17:39,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:17:39,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:17:39,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:17:39,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:17:39,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:17:39,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:17:39,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:17:39,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:17:39,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:17:39,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:17:39,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:17:39,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:17:39,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:17:39,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:17:39,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:17:39,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:17:39,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:17:39,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:17:39,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:17:39,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 21:17:39,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-06 21:17:39,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:17:39,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 21:17:39,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:17:39,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:17:39,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:17:39,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-06-06 21:17:39,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:17:39,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:17:39,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 21:17:39,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:17:39,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:17:39,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:17:39,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:17:39,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:17:39,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:17:39,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:17:39,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 21:17:39,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-06-06 21:17:39,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 21:17:39,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 21:17:39,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:17:39,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:17:39,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:17:39,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:17:39,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:17:39,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:17:43,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:17:43,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:17:43,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:17:43,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:17:43,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:17:43,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:17:43,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:17:43,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:17:43,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:17:43,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:17:43,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:17:43,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:17:43,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:17:43,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:17:43,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:17:43,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:17:43,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:17:43,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:17:43,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:17:43,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:17:43,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:17:43,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:17:43,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:17:43,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:17:43,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:17:43,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:17:43,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:17:43,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:17:43,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:17:43,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:17:43,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:17:43,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:17:43,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:17:43,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:17:43,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:17:43,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:17:43,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:17:43,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:17:43,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 21:17:43,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-06 21:17:43,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:17:43,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 21:17:43,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:17:43,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:17:43,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:17:43,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-06-06 21:17:43,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:17:43,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:17:43,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 21:17:43,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:17:43,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:17:43,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:17:43,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:17:43,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:17:43,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:17:43,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:17:43,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 21:17:43,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-06 21:17:43,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 21:17:43,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 21:17:43,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:17:43,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:17:43,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:17:43,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:17:43,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:17:43,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-06 21:17:43,814 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 67 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1336 [2021-06-06 21:17:43,814 INFO L430 AbstractCegarLoop]: === Iteration 67 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:17:43,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:17:43,814 INFO L82 PathProgramCache]: Analyzing trace with hash 1157442130, now seen corresponding path program 61 times [2021-06-06 21:17:43,814 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:17:43,814 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056296920] [2021-06-06 21:17:43,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:17:43,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:17:44,481 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 10 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:17:44,482 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:17:44,482 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056296920] [2021-06-06 21:17:44,482 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056296920] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:17:44,482 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [620725482] [2021-06-06 21:17:44,482 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 68 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 68 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:17:44,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:17:44,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 68 conjunts are in the unsatisfiable core [2021-06-06 21:17:44,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:17:45,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 21:17:45,343 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:17:45,345 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:17:45,345 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:17:45,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 21:17:45,346 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:17:45,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 21:17:45,349 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:17:45,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 21:17:45,353 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:17:45,355 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:17:45,355 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:17:45,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 21:17:45,356 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 21:17:45,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 21:17:45,359 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 21:17:45,420 INFO L628 ElimStorePlain]: treesize reduction 36, result has 68.4 percent of original size [2021-06-06 21:17:45,421 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2021-06-06 21:17:45,421 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:167, output treesize:68 [2021-06-06 21:17:46,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 21:17:46,155 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:17:46,157 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:17:46,158 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:17:46,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 21:17:46,159 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:17:46,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 21:17:46,161 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:17:46,163 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:17:46,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 21:17:46,164 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:17:46,201 INFO L628 ElimStorePlain]: treesize reduction 36, result has 41.0 percent of original size [2021-06-06 21:17:46,202 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 21:17:46,202 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 21:17:46,202 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:99, output treesize:19 [2021-06-06 21:17:46,258 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 10 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:17:46,258 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [620725482] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:17:46,258 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:17:46,258 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34] total 56 [2021-06-06 21:17:46,258 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124589896] [2021-06-06 21:17:46,258 INFO L462 AbstractCegarLoop]: Interpolant automaton has 56 states [2021-06-06 21:17:46,258 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:17:46,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2021-06-06 21:17:46,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=2930, Unknown=0, NotChecked=0, Total=3080 [2021-06-06 21:17:46,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:17:46,259 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:17:46,259 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 56 states, 56 states have (on average 1.2142857142857142) internal successors, (68), 56 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:17:46,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:17:46,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:17:46,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:17:46,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:17:46,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:17:46,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:17:46,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:17:46,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:17:46,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:17:46,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:17:46,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:17:46,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:17:46,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:17:46,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:17:46,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:17:46,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:17:46,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:17:46,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:17:46,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:17:46,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:17:46,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:17:46,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:17:46,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:17:46,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:17:46,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:17:46,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:17:46,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:17:46,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:17:46,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:17:46,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:17:46,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:17:46,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:17:46,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:17:46,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:17:46,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:17:46,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:17:46,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:17:46,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:17:46,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 21:17:46,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-06 21:17:46,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:17:46,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 21:17:46,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:17:46,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:17:46,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:17:46,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-06-06 21:17:46,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:17:46,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:17:46,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 21:17:46,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:17:46,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:17:46,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:17:46,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:17:46,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:17:46,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:17:46,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:17:46,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 21:17:46,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-06-06 21:17:46,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 21:17:46,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 21:17:46,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:17:46,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:17:46,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:17:46,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:17:46,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:17:46,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-06 21:17:46,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:17:50,629 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 220 [2021-06-06 21:17:51,242 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 220 [2021-06-06 21:17:51,857 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 220 [2021-06-06 21:17:52,474 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 220 [2021-06-06 21:17:53,128 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 220 [2021-06-06 21:17:53,794 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 220 [2021-06-06 21:17:54,422 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 220 [2021-06-06 21:17:54,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:17:54,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:17:54,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:17:54,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:17:54,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:17:54,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:17:54,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:17:54,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:17:54,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:17:54,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:17:54,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:17:54,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:17:54,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:17:54,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:17:54,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:17:54,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:17:54,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:17:54,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:17:54,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:17:54,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:17:54,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:17:54,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:17:54,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:17:54,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:17:54,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:17:54,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:17:54,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:17:54,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:17:54,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:17:54,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:17:54,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:17:54,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:17:54,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:17:54,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:17:54,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:17:54,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:17:54,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:17:54,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:17:54,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 21:17:54,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-06 21:17:54,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:17:54,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 21:17:54,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:17:54,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:17:54,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:17:54,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-06-06 21:17:54,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:17:54,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:17:54,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 21:17:54,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:17:54,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:17:54,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:17:54,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:17:54,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:17:54,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:17:54,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:17:54,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 21:17:54,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-06 21:17:54,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 21:17:54,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 21:17:54,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:17:54,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:17:54,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:17:54,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:17:54,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 21:17:54,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-06 21:17:54,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-06 21:17:54,884 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1366,68 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:17:54,885 INFO L430 AbstractCegarLoop]: === Iteration 68 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:17:54,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:17:54,885 INFO L82 PathProgramCache]: Analyzing trace with hash -171093986, now seen corresponding path program 62 times [2021-06-06 21:17:54,885 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:17:54,885 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558631789] [2021-06-06 21:17:54,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:17:54,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:17:56,027 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:17:56,027 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:17:56,027 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558631789] [2021-06-06 21:17:56,027 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558631789] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:17:56,027 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1514260158] [2021-06-06 21:17:56,027 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 69 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 69 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:17:56,084 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 21:17:56,085 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:17:56,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 94 conjunts are in the unsatisfiable core [2021-06-06 21:17:56,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:17:57,431 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 72 [2021-06-06 21:17:57,987 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2021-06-06 21:17:58,285 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2021-06-06 21:17:58,587 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2021-06-06 21:17:58,892 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2021-06-06 21:17:59,193 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2021-06-06 21:17:59,503 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2021-06-06 21:17:59,830 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2021-06-06 21:18:00,150 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2021-06-06 21:18:00,466 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2021-06-06 21:18:00,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,555 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:18:00,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,585 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:18:00,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 77 [2021-06-06 21:18:00,594 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-06 21:18:00,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,621 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:18:00,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 75 [2021-06-06 21:18:00,628 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:18:00,792 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-06-06 21:18:00,792 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:18:00,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,817 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:18:00,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,845 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:18:00,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 69 [2021-06-06 21:18:00,855 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:18:00,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,879 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:18:00,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:00,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 67 [2021-06-06 21:18:00,888 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:18:00,997 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-06-06 21:18:00,998 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:18:01,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,029 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:18:01,059 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:18:01,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 69 [2021-06-06 21:18:01,062 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 21:18:01,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:01,092 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:18:01,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 67 [2021-06-06 21:18:01,095 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 21:18:01,162 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:18:01,168 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-1 vars, End of recursive call: 6 dim-0 vars, and 6 xjuncts. [2021-06-06 21:18:01,168 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:731, output treesize:179 [2021-06-06 21:18:03,705 INFO L446 ElimStorePlain]: Different costs {1=[array_4], 21=[array_2]} [2021-06-06 21:18:03,712 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:18:03,713 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:18:03,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2021-06-06 21:18:03,714 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:18:03,721 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:18:03,721 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:18:03,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-06 21:18:03,722 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:18:03,730 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:18:03,730 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:18:03,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 21:18:03,731 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:18:03,737 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:18:03,738 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:18:03,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-06-06 21:18:03,739 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:18:03,745 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:18:03,745 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:18:03,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-06-06 21:18:03,746 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 21:18:03,752 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:18:03,753 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:18:03,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 21:18:03,753 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 21:18:03,759 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:18:03,760 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:18:03,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2021-06-06 21:18:03,761 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 21:18:03,766 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:18:03,767 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:18:03,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 21:18:03,768 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 21:18:03,774 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:18:03,774 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:18:03,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 21:18:03,775 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 21:18:03,781 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:18:03,782 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:18:03,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-06-06 21:18:03,783 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 21:18:03,788 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:18:03,789 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:18:03,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-06-06 21:18:03,790 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 21:18:03,805 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:18:03,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 21:18:03,806 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 21:18:03,991 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 55 [2021-06-06 21:18:03,992 INFO L628 ElimStorePlain]: treesize reduction 98, result has 62.3 percent of original size [2021-06-06 21:18:03,997 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:18:03,997 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:18:03,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-06-06 21:18:03,998 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 21:18:04,003 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:18:04,004 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:18:04,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-06 21:18:04,004 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 21:18:04,009 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:18:04,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-06 21:18:04,010 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-06 21:18:04,079 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:18:04,081 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-1 vars, End of recursive call: and 8 xjuncts. [2021-06-06 21:18:04,081 INFO L247 ElimStorePlain]: Needed 16 recursive calls to eliminate 8 variables, input treesize:405, output treesize:96 [2021-06-06 21:18:04,325 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:18:04,325 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1514260158] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:18:04,325 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:18:04,325 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 34] total 65 [2021-06-06 21:18:04,325 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278075059] [2021-06-06 21:18:04,326 INFO L462 AbstractCegarLoop]: Interpolant automaton has 65 states [2021-06-06 21:18:04,326 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:18:04,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2021-06-06 21:18:04,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=175, Invalid=3985, Unknown=0, NotChecked=0, Total=4160 [2021-06-06 21:18:04,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:18:04,326 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:18:04,326 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 65 states, 65 states have (on average 1.2153846153846153) internal successors, (79), 65 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:18:04,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:18:04,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:18:04,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:18:04,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:18:04,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:18:04,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:18:04,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:18:04,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:18:04,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:18:04,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:04,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:18:04,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:04,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:04,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:04,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:04,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:18:04,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:18:04,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:18:04,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:04,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:18:04,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:18:04,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:18:04,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:18:04,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:18:04,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:18:04,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:18:04,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:18:04,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:18:04,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:18:04,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:18:04,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:18:04,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:18:04,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:18:04,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:18:04,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:18:04,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:18:04,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:18:04,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:18:04,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 21:18:04,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-06 21:18:04,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:18:04,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 21:18:04,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:18:04,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:18:04,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:18:04,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-06-06 21:18:04,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:18:04,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:18:04,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 21:18:04,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:18:04,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:18:04,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:18:04,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:18:04,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:18:04,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:18:04,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:18:04,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 21:18:04,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-06-06 21:18:04,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 21:18:04,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 21:18:04,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:18:04,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:18:04,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:18:04,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:18:04,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 21:18:04,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-06 21:18:04,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-06 21:18:04,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:18:07,360 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 87 [2021-06-06 21:18:07,964 WARN L205 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 167 [2021-06-06 21:18:08,555 WARN L205 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 168 [2021-06-06 21:18:09,171 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 168 [2021-06-06 21:18:09,836 WARN L205 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 168 [2021-06-06 21:18:10,475 WARN L205 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 168 [2021-06-06 21:18:11,131 WARN L205 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 168 [2021-06-06 21:18:11,781 WARN L205 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 168 [2021-06-06 21:18:12,372 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 168 [2021-06-06 21:18:12,996 WARN L205 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 168 [2021-06-06 21:18:13,946 WARN L205 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 146 [2021-06-06 21:18:17,451 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 127 [2021-06-06 21:18:17,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:18:17,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:18:17,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:18:17,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:18:17,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:18:17,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:18:17,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:18:17,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:18:17,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:18:17,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:17,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:18:17,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:17,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:17,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:17,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:17,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:18:17,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:18:17,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:18:17,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:17,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:18:17,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:18:17,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:18:17,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:18:17,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:18:17,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:18:17,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:18:17,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:18:17,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:18:17,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:18:17,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:18:17,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:18:17,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:18:17,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:18:17,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:18:17,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:18:17,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:18:17,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:18:17,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:18:17,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 21:18:17,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-06 21:18:17,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:18:17,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 21:18:17,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:18:17,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:18:17,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:18:17,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-06-06 21:18:17,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:18:17,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:18:17,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 21:18:17,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:18:17,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:18:17,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:18:17,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:18:17,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:18:17,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:18:17,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:18:17,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 21:18:17,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-06 21:18:17,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 21:18:17,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 21:18:17,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:18:17,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:18:17,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:18:17,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:18:17,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 21:18:17,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-06 21:18:17,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-06 21:18:17,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-06 21:18:17,808 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 69 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1376 [2021-06-06 21:18:17,808 INFO L430 AbstractCegarLoop]: === Iteration 69 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:18:17,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:18:17,809 INFO L82 PathProgramCache]: Analyzing trace with hash -116900228, now seen corresponding path program 63 times [2021-06-06 21:18:17,809 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:18:17,809 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026240403] [2021-06-06 21:18:17,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:18:17,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:18:18,300 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 109 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:18:18,301 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:18:18,301 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026240403] [2021-06-06 21:18:18,301 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026240403] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:18:18,301 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1056784743] [2021-06-06 21:18:18,301 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 70 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 70 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:18:18,370 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-06-06 21:18:18,370 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:18:18,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 76 conjunts are in the unsatisfiable core [2021-06-06 21:18:18,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:18:19,071 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:18:19,072 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:18:19,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 21:18:19,073 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:18:19,075 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:18:19,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 21:18:19,075 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:18:19,095 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:18:19,097 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-06-06 21:18:19,097 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:69, output treesize:55 [2021-06-06 21:18:19,899 INFO L446 ElimStorePlain]: Different costs {13=[array_4], 18=[array_2]} [2021-06-06 21:18:19,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:19,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:19,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:19,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:19,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:19,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:19,910 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:18:19,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 43 [2021-06-06 21:18:19,919 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:18:19,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:19,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:19,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:19,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:19,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:19,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:19,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 51 [2021-06-06 21:18:19,933 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:18:19,955 INFO L628 ElimStorePlain]: treesize reduction 39, result has 33.9 percent of original size [2021-06-06 21:18:19,955 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-06 21:18:19,956 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 21:18:19,956 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:165, output treesize:14 [2021-06-06 21:18:20,053 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 21:18:20,053 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1056784743] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:18:20,053 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:18:20,053 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29] total 55 [2021-06-06 21:18:20,053 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267421087] [2021-06-06 21:18:20,053 INFO L462 AbstractCegarLoop]: Interpolant automaton has 55 states [2021-06-06 21:18:20,053 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:18:20,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-06-06 21:18:20,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=2847, Unknown=0, NotChecked=0, Total=2970 [2021-06-06 21:18:20,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:18:20,054 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:18:20,054 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 55 states, 55 states have (on average 1.309090909090909) internal successors, (72), 55 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:18:20,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:18:20,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:18:20,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:18:20,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:18:20,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:18:20,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:18:20,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:18:20,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:18:20,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:18:20,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:20,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:18:20,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:20,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:20,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:20,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:20,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:18:20,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:18:20,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:18:20,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:20,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:18:20,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:18:20,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:18:20,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:18:20,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:18:20,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:18:20,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:18:20,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:18:20,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:18:20,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:18:20,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:18:20,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:18:20,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:18:20,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:18:20,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:18:20,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:18:20,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:18:20,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:18:20,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:18:20,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 21:18:20,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-06 21:18:20,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:18:20,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 21:18:20,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:18:20,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:18:20,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:18:20,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-06-06 21:18:20,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:18:20,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:18:20,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 21:18:20,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:18:20,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:18:20,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:18:20,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:18:20,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:18:20,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:18:20,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:18:20,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 21:18:20,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-06-06 21:18:20,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 21:18:20,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 21:18:20,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:18:20,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:18:20,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:18:20,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:18:20,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 21:18:20,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-06 21:18:20,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-06 21:18:20,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-06 21:18:20,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:18:25,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:18:25,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:18:25,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:18:25,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:18:25,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:18:25,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:18:25,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:18:25,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:18:25,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:18:25,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:25,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:18:25,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:25,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:25,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:25,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:25,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:18:25,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:18:25,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:18:25,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:25,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:18:25,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:18:25,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:18:25,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:18:25,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:18:25,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:18:25,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:18:25,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:18:25,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:18:25,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:18:25,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:18:25,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:18:25,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:18:25,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:18:25,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:18:25,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:18:25,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:18:25,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:18:25,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:18:25,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 21:18:25,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-06 21:18:25,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:18:25,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 21:18:25,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:18:25,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:18:25,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:18:25,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-06-06 21:18:25,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:18:25,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:18:25,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 21:18:25,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:18:25,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:18:25,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:18:25,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:18:25,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:18:25,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:18:25,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:18:25,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 21:18:25,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-06 21:18:25,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 21:18:25,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 21:18:25,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:18:25,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:18:25,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:18:25,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:18:25,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 21:18:25,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-06 21:18:25,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-06 21:18:25,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-06 21:18:25,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 21:18:25,554 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1406,70 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:18:25,554 INFO L430 AbstractCegarLoop]: === Iteration 70 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:18:25,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:18:25,554 INFO L82 PathProgramCache]: Analyzing trace with hash -225408110, now seen corresponding path program 64 times [2021-06-06 21:18:25,554 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:18:25,554 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901506903] [2021-06-06 21:18:25,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:18:25,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:18:26,176 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:18:26,177 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:18:26,177 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901506903] [2021-06-06 21:18:26,177 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901506903] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:18:26,177 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [668254007] [2021-06-06 21:18:26,177 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 71 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 71 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:18:26,235 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 21:18:26,235 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:18:26,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 85 conjunts are in the unsatisfiable core [2021-06-06 21:18:26,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:18:26,891 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:18:26,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 48 [2021-06-06 21:18:26,905 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:18:26,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 56 [2021-06-06 21:18:26,909 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:18:26,927 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:18:26,928 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 21:18:26,928 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:169, output treesize:59 [2021-06-06 21:18:27,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-06-06 21:18:27,425 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-06 21:18:27,434 INFO L628 ElimStorePlain]: treesize reduction 7, result has 61.1 percent of original size [2021-06-06 21:18:27,434 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 21:18:27,434 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 21:18:27,434 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:31, output treesize:11 [2021-06-06 21:18:27,482 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:18:27,482 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [668254007] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:18:27,482 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:18:27,482 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 50 [2021-06-06 21:18:27,483 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448598077] [2021-06-06 21:18:27,483 INFO L462 AbstractCegarLoop]: Interpolant automaton has 50 states [2021-06-06 21:18:27,483 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:18:27,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-06-06 21:18:27,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=2325, Unknown=0, NotChecked=0, Total=2450 [2021-06-06 21:18:27,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:18:27,483 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:18:27,483 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 50 states, 50 states have (on average 1.28) internal successors, (64), 50 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:18:27,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:18:27,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:18:27,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:18:27,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:18:27,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:18:27,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:18:27,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:18:27,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:18:27,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:18:27,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:27,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:18:27,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:27,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:27,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:27,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:27,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:18:27,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:18:27,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:18:27,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:27,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:18:27,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:18:27,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:18:27,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:18:27,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:18:27,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:18:27,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:18:27,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:18:27,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:18:27,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:18:27,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:18:27,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:18:27,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:18:27,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:18:27,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:18:27,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:18:27,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:18:27,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:18:27,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:18:27,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 21:18:27,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-06 21:18:27,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:18:27,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 21:18:27,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:18:27,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:18:27,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:18:27,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-06-06 21:18:27,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:18:27,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:18:27,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 21:18:27,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:18:27,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:18:27,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:18:27,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:18:27,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:18:27,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:18:27,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:18:27,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 21:18:27,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-06-06 21:18:27,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 21:18:27,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 21:18:27,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:18:27,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:18:27,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:18:27,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:18:27,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 21:18:27,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-06 21:18:27,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-06 21:18:27,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-06 21:18:27,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 21:18:27,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:18:28,871 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 98 [2021-06-06 21:18:30,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:18:30,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:18:30,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:18:30,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:18:30,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:18:30,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:18:30,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:18:30,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:18:30,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:18:30,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:30,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:18:30,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:30,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:30,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:30,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:30,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:18:30,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:18:30,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:18:30,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:30,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:18:30,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:18:30,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:18:30,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:18:30,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:18:30,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:18:30,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:18:30,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:18:30,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:18:30,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:18:30,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:18:30,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:18:30,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:18:30,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:18:30,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:18:30,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:18:30,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:18:30,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:18:30,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:18:30,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 21:18:30,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-06 21:18:30,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:18:30,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 21:18:30,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:18:30,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:18:30,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:18:30,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-06-06 21:18:30,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:18:30,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:18:30,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 21:18:30,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:18:30,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:18:30,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:18:30,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:18:30,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:18:30,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:18:30,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:18:30,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 21:18:30,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-06 21:18:30,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 21:18:30,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 21:18:30,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:18:30,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:18:30,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:18:30,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:18:30,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 21:18:30,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-06 21:18:30,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-06 21:18:30,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-06 21:18:30,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 21:18:30,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 21:18:30,692 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 71 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1420 [2021-06-06 21:18:30,692 INFO L430 AbstractCegarLoop]: === Iteration 71 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:18:30,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:18:30,693 INFO L82 PathProgramCache]: Analyzing trace with hash 705814844, now seen corresponding path program 65 times [2021-06-06 21:18:30,693 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:18:30,693 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069790434] [2021-06-06 21:18:30,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:18:30,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:18:31,242 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 9 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:18:31,242 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:18:31,242 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069790434] [2021-06-06 21:18:31,242 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069790434] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:18:31,242 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1251841961] [2021-06-06 21:18:31,243 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 72 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 72 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:18:31,294 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-06 21:18:31,295 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:18:31,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 62 conjunts are in the unsatisfiable core [2021-06-06 21:18:31,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:18:31,668 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:18:31,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-06-06 21:18:31,669 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:18:31,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 21:18:31,672 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:18:31,687 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:18:31,688 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 21:18:31,688 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:57, output treesize:43 [2021-06-06 21:18:32,099 INFO L446 ElimStorePlain]: Different costs {0=[array_2], 1=[array_4]} [2021-06-06 21:18:32,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 21:18:32,101 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:18:32,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 21:18:32,103 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:18:32,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 21:18:32,106 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:18:32,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 21:18:32,108 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 21:18:32,122 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-06-06 21:18:32,123 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 21:18:32,123 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 21:18:32,123 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-06 21:18:32,167 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 9 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:18:32,167 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1251841961] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:18:32,167 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:18:32,167 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 50 [2021-06-06 21:18:32,167 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549634528] [2021-06-06 21:18:32,167 INFO L462 AbstractCegarLoop]: Interpolant automaton has 50 states [2021-06-06 21:18:32,167 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:18:32,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-06-06 21:18:32,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=2325, Unknown=0, NotChecked=0, Total=2450 [2021-06-06 21:18:32,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:18:32,168 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:18:32,168 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 50 states, 50 states have (on average 1.22) internal successors, (61), 50 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:18:32,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:18:32,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:18:32,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:18:32,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:18:32,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:18:32,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:18:32,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:18:32,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:18:32,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:18:32,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:32,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:18:32,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:32,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:32,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:32,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:32,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:18:32,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:18:32,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:18:32,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:32,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:18:32,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:18:32,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:18:32,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:18:32,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:18:32,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:18:32,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:18:32,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:18:32,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:18:32,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:18:32,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:18:32,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:18:32,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:18:32,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:18:32,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:18:32,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:18:32,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:18:32,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:18:32,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:18:32,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 21:18:32,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-06 21:18:32,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:18:32,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 21:18:32,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:18:32,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:18:32,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:18:32,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-06-06 21:18:32,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:18:32,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:18:32,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 21:18:32,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:18:32,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:18:32,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:18:32,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:18:32,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:18:32,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:18:32,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:18:32,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 21:18:32,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-06-06 21:18:32,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 21:18:32,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 21:18:32,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:18:32,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:18:32,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:18:32,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:18:32,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 21:18:32,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-06 21:18:32,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-06 21:18:32,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-06 21:18:32,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 21:18:32,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 21:18:32,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:18:34,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:18:34,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:18:34,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:18:34,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:18:34,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:18:34,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:18:34,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:18:34,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:18:34,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:18:34,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:34,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:18:34,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:34,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:34,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:34,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:34,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:18:34,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:18:34,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:18:34,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:34,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:18:34,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:18:34,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:18:34,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:18:34,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:18:34,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:18:34,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:18:34,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:18:34,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:18:34,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:18:34,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:18:34,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:18:34,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:18:34,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:18:34,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:18:34,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:18:34,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:18:34,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:18:34,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:18:34,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 21:18:34,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-06 21:18:34,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:18:34,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 21:18:34,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:18:34,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:18:34,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:18:34,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-06-06 21:18:34,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:18:34,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:18:34,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 21:18:34,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:18:34,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:18:34,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:18:34,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:18:34,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:18:34,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:18:34,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:18:34,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 21:18:34,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-06 21:18:34,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 21:18:34,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 21:18:34,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:18:34,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:18:34,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:18:34,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:18:34,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 21:18:34,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-06 21:18:34,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-06 21:18:34,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-06 21:18:34,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 21:18:34,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-06 21:18:34,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 21:18:34,714 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1436,72 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:18:34,714 INFO L430 AbstractCegarLoop]: === Iteration 72 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:18:34,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:18:34,715 INFO L82 PathProgramCache]: Analyzing trace with hash -1598739404, now seen corresponding path program 66 times [2021-06-06 21:18:34,715 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:18:34,715 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287496515] [2021-06-06 21:18:34,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:18:34,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:18:35,744 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:18:35,744 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:18:35,744 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287496515] [2021-06-06 21:18:35,744 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287496515] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:18:35,744 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1959547030] [2021-06-06 21:18:35,744 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 73 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 73 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:18:35,802 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-06-06 21:18:35,802 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:18:35,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 94 conjunts are in the unsatisfiable core [2021-06-06 21:18:35,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:18:37,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:37,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:37,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:37,108 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:18:37,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:37,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:37,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:37,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:37,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:37,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:37,119 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:18:37,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 61 [2021-06-06 21:18:37,134 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:18:37,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:37,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:37,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:37,139 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:18:37,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:37,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:37,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:37,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:37,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:37,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:18:37,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 53 [2021-06-06 21:18:37,145 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:18:37,180 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:18:37,182 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-06-06 21:18:37,182 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:213, output treesize:79 [2021-06-06 21:18:38,348 INFO L446 ElimStorePlain]: Different costs {1=[array_4], 3=[array_2]} [2021-06-06 21:18:38,352 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:18:38,352 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:18:38,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 21:18:38,353 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:18:38,357 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:18:38,357 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:18:38,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-06 21:18:38,358 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:18:38,361 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 21:18:38,362 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 21:18:38,365 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:18:38,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-06-06 21:18:38,366 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-06-06 21:18:38,420 INFO L628 ElimStorePlain]: treesize reduction 37, result has 65.1 percent of original size [2021-06-06 21:18:38,423 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:18:38,423 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:18:38,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-06 21:18:38,425 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 21:18:38,427 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:18:38,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-06 21:18:38,428 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 21:18:38,435 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:18:38,456 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:18:38,457 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-06 21:18:38,457 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 5 variables, input treesize:143, output treesize:18 [2021-06-06 21:18:38,529 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:18:38,529 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1959547030] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:18:38,529 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:18:38,529 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 34] total 57 [2021-06-06 21:18:38,529 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991783535] [2021-06-06 21:18:38,529 INFO L462 AbstractCegarLoop]: Interpolant automaton has 57 states [2021-06-06 21:18:38,529 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:18:38,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2021-06-06 21:18:38,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=3066, Unknown=0, NotChecked=0, Total=3192 [2021-06-06 21:18:38,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:18:38,530 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:18:38,530 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 57 states, 57 states have (on average 1.2456140350877194) internal successors, (71), 57 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:18:38,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:18:38,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:18:38,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:18:38,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:18:38,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:18:38,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:18:38,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:18:38,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:18:38,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:18:38,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:38,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:18:38,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:38,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:38,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:38,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:38,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:18:38,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:18:38,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:18:38,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:38,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:18:38,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:18:38,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:18:38,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:18:38,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:18:38,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:18:38,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:18:38,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:18:38,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:18:38,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:18:38,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:18:38,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:18:38,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:18:38,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:18:38,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:18:38,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:18:38,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:18:38,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:18:38,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:18:38,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 21:18:38,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-06 21:18:38,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:18:38,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 21:18:38,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:18:38,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:18:38,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:18:38,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-06-06 21:18:38,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:18:38,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:18:38,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 21:18:38,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:18:38,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:18:38,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:18:38,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:18:38,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:18:38,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:18:38,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:18:38,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 21:18:38,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-06-06 21:18:38,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 21:18:38,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 21:18:38,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:18:38,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:18:38,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:18:38,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:18:38,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 21:18:38,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-06 21:18:38,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-06 21:18:38,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-06 21:18:38,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 21:18:38,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-06 21:18:38,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 21:18:38,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:18:40,858 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 86 [2021-06-06 21:18:41,453 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 56 [2021-06-06 21:18:41,926 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 62 [2021-06-06 21:18:42,188 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 68 [2021-06-06 21:18:42,471 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 69 [2021-06-06 21:18:44,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:18:44,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:18:44,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:18:44,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:18:44,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:18:44,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:18:44,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:18:44,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:18:44,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:18:44,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:44,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:18:44,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:44,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:44,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:44,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:44,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:18:44,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:18:44,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:18:44,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:44,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:18:44,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:18:44,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:18:44,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:18:44,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:18:44,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:18:44,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:18:44,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:18:44,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:18:44,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:18:44,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:18:44,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:18:44,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:18:44,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:18:44,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:18:44,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:18:44,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:18:44,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:18:44,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:18:44,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 21:18:44,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-06 21:18:44,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:18:44,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 21:18:44,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:18:44,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:18:44,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:18:44,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-06-06 21:18:44,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:18:44,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:18:44,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 21:18:44,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:18:44,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:18:44,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:18:44,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:18:44,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:18:44,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:18:44,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:18:44,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 21:18:44,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-06 21:18:44,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 21:18:44,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 21:18:44,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:18:44,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:18:44,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:18:44,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:18:44,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 21:18:44,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-06 21:18:44,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-06 21:18:44,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-06 21:18:44,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 21:18:44,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-06 21:18:44,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 21:18:44,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:18:44,474 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 73 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1443 [2021-06-06 21:18:44,474 INFO L430 AbstractCegarLoop]: === Iteration 73 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:18:44,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:18:44,475 INFO L82 PathProgramCache]: Analyzing trace with hash 903924856, now seen corresponding path program 67 times [2021-06-06 21:18:44,475 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:18:44,475 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435434088] [2021-06-06 21:18:44,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:18:44,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:18:45,141 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:18:45,141 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:18:45,141 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435434088] [2021-06-06 21:18:45,141 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435434088] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:18:45,141 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2038444510] [2021-06-06 21:18:45,141 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 74 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 74 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:18:45,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:18:45,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 68 conjunts are in the unsatisfiable core [2021-06-06 21:18:45,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:18:45,632 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:18:45,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-06-06 21:18:45,633 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:18:45,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 21:18:45,636 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:18:45,650 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:18:45,651 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 21:18:45,651 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:61, output treesize:47 [2021-06-06 21:18:46,111 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:18:46,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 21:18:46,112 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:18:46,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 21:18:46,114 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 21:18:46,127 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-06 21:18:46,128 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 21:18:46,128 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 21:18:46,128 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-06 21:18:46,173 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:18:46,174 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2038444510] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:18:46,174 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:18:46,174 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34] total 55 [2021-06-06 21:18:46,174 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254165210] [2021-06-06 21:18:46,174 INFO L462 AbstractCegarLoop]: Interpolant automaton has 55 states [2021-06-06 21:18:46,174 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:18:46,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-06-06 21:18:46,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=2832, Unknown=0, NotChecked=0, Total=2970 [2021-06-06 21:18:46,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:18:46,174 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:18:46,175 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 55 states, 55 states have (on average 1.2363636363636363) internal successors, (68), 55 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:18:46,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:18:46,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:18:46,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:18:46,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:18:46,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:18:46,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:18:46,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:18:46,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:18:46,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:18:46,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:46,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:18:46,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:46,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:46,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:46,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:46,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:18:46,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:18:46,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:18:46,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:46,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:18:46,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:18:46,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:18:46,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:18:46,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:18:46,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:18:46,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:18:46,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:18:46,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:18:46,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:18:46,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:18:46,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:18:46,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:18:46,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:18:46,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:18:46,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:18:46,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:18:46,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:18:46,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:18:46,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 21:18:46,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-06 21:18:46,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:18:46,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 21:18:46,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:18:46,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:18:46,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:18:46,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-06-06 21:18:46,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:18:46,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:18:46,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 21:18:46,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:18:46,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:18:46,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:18:46,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:18:46,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:18:46,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:18:46,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:18:46,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 21:18:46,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-06-06 21:18:46,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 21:18:46,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 21:18:46,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:18:46,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:18:46,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:18:46,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:18:46,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 21:18:46,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-06 21:18:46,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-06 21:18:46,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-06 21:18:46,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 21:18:46,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-06 21:18:46,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 21:18:46,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:18:46,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:18:48,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:18:48,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:18:48,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:18:48,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:18:48,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:18:48,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:18:48,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:18:48,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:18:48,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:18:48,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:48,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:18:48,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:48,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:48,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:48,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:48,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:18:48,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 21:18:48,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 21:18:48,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 21:18:48,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:18:48,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:18:48,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:18:48,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:18:48,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:18:48,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:18:48,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 21:18:48,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:18:48,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:18:48,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:18:48,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:18:48,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 21:18:48,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:18:48,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 21:18:48,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 21:18:48,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 21:18:48,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:18:48,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:18:48,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 21:18:48,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 21:18:48,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-06 21:18:48,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:18:48,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 21:18:48,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:18:48,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:18:48,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:18:48,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-06-06 21:18:48,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:18:48,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:18:48,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 21:18:48,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 21:18:48,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 21:18:48,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:18:48,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:18:48,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:18:48,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:18:48,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:18:48,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 21:18:48,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-06 21:18:48,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 21:18:48,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 21:18:48,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:18:48,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:18:48,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:18:48,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:18:48,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 21:18:48,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-06 21:18:48,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-06 21:18:48,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-06 21:18:48,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 21:18:48,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-06 21:18:48,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 21:18:48,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:18:48,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-06 21:18:49,150 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1463,74 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:18:49,150 INFO L430 AbstractCegarLoop]: === Iteration 74 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:18:49,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:18:49,150 INFO L82 PathProgramCache]: Analyzing trace with hash 1355398422, now seen corresponding path program 68 times [2021-06-06 21:18:49,151 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:18:49,151 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242813531] [2021-06-06 21:18:49,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:18:49,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:18:50,694 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:18:50,694 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:18:50,694 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242813531] [2021-06-06 21:18:50,694 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242813531] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:18:50,694 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [637102873] [2021-06-06 21:18:50,694 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 75 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 75 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:18:50,748 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 21:18:50,748 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:18:50,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 131 conjunts are in the unsatisfiable core [2021-06-06 21:18:50,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:18:51,789 WARN L227 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2021-06-06 21:18:51,790 WARN L348 FreeRefinementEngine]: Global settings require throwing the following exception [2021-06-06 21:18:51,991 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 75 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1466 [2021-06-06 21:18:51,991 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:258) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:138) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:899) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:773) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:345) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:305) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:582) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:201) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:299) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:297) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:190) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:180) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:643) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:374) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:63) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:364) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:293) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:238) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:238) ... 46 more [2021-06-06 21:18:52,004 INFO L168 Benchmark]: Toolchain (without parser) took 452230.48 ms. Allocated memory was 339.7 MB in the beginning and 851.4 MB in the end (delta: 511.7 MB). Free memory was 319.2 MB in the beginning and 548.0 MB in the end (delta: -228.8 MB). Peak memory consumption was 285.9 MB. Max. memory is 16.0 GB. [2021-06-06 21:18:52,004 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 339.7 MB. Free memory was 320.5 MB in the beginning and 320.4 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 21:18:52,008 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.21 ms. Allocated memory is still 339.7 MB. Free memory was 319.1 MB in the beginning and 317.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 21:18:52,008 INFO L168 Benchmark]: Boogie Preprocessor took 25.03 ms. Allocated memory is still 339.7 MB. Free memory was 317.7 MB in the beginning and 316.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 21:18:52,008 INFO L168 Benchmark]: RCFGBuilder took 365.43 ms. Allocated memory is still 339.7 MB. Free memory was 316.5 MB in the beginning and 321.1 MB in the end (delta: -4.5 MB). Peak memory consumption was 21.1 MB. Max. memory is 16.0 GB. [2021-06-06 21:18:52,008 INFO L168 Benchmark]: TraceAbstraction took 451809.68 ms. Allocated memory was 339.7 MB in the beginning and 851.4 MB in the end (delta: 511.7 MB). Free memory was 320.0 MB in the beginning and 549.1 MB in the end (delta: -229.1 MB). Peak memory consumption was 283.7 MB. Max. memory is 16.0 GB. [2021-06-06 21:18:52,008 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 339.7 MB. Free memory was 320.5 MB in the beginning and 320.4 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 26.21 ms. Allocated memory is still 339.7 MB. Free memory was 319.1 MB in the beginning and 317.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 25.03 ms. Allocated memory is still 339.7 MB. Free memory was 317.7 MB in the beginning and 316.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 365.43 ms. Allocated memory is still 339.7 MB. Free memory was 316.5 MB in the beginning and 321.1 MB in the end (delta: -4.5 MB). Peak memory consumption was 21.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 451809.68 ms. Allocated memory was 339.7 MB in the beginning and 851.4 MB in the end (delta: 511.7 MB). Free memory was 320.0 MB in the beginning and 549.1 MB in the end (delta: -229.1 MB). Peak memory consumption was 283.7 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...