/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.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 09:50:11,763 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 09:50:11,765 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 09:50:11,794 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-06 09:50:11,813 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-06 09:50:11,814 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-06 09:50:11,815 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-06 09:50:11,817 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-06 09:50:11,819 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-06 09:50:11,819 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-06 09:50:11,821 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-06 09:50:11,826 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-06 09:50:11,827 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-06 09:50:11,828 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-06 09:50:11,829 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-06 09:50:11,831 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-06 09:50:11,837 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-06 09:50:11,845 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-06 09:50:11,846 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-06 09:50:11,847 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-06 09:50:11,848 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.epf [2021-06-06 09:50:11,889 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 09:50:11,890 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 09:50:11,892 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 09:50:11,892 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 09:50:11,894 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 09:50:11,895 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 09:50:11,895 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 09:50:11,895 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 09:50:11,895 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 09:50:11,895 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 09:50:11,896 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 09:50:11,896 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 09:50:11,897 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 09:50:11,897 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 09:50:11,897 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 09:50:11,897 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 09:50:11,897 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 09:50:11,897 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 09:50:11,897 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 09:50:11,898 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 09:50:11,899 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 09:50:11,902 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 09:50:11,902 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 09:50:11,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 09:50:11,903 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 09:50:11,903 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 09:50:11,903 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 09:50:11,903 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 09:50:11,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 09:50:11,903 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 09:50:11,904 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 09:50:11,904 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 09:50:11,904 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 09:50:11,904 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 09:50:12,210 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 09:50:12,229 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 09:50:12,231 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 09:50:12,232 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-06 09:50:12,232 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-06 09:50:12,233 INFO L432 ainManager$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 09:50:12,233 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 09:50:12,270 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 09:50:12,271 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-06 09:50:12,272 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 09:50:12,272 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 09:50:12,272 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 09:50:12,287 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 09:50:12" (1/1) ... [2021-06-06 09:50:12,296 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 09:50:12" (1/1) ... [2021-06-06 09:50:12,303 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 09:50:12,304 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 09:50:12,304 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 09:50:12,305 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 09:50:12,311 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 09:50:12" (1/1) ... [2021-06-06 09:50:12,312 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 09:50:12" (1/1) ... [2021-06-06 09:50:12,317 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 09:50:12" (1/1) ... [2021-06-06 09:50:12,317 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 09:50:12" (1/1) ... [2021-06-06 09:50:12,320 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 09:50:12" (1/1) ... [2021-06-06 09:50:12,323 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 09:50:12" (1/1) ... [2021-06-06 09:50:12,324 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 09:50:12" (1/1) ... [2021-06-06 09:50:12,325 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 09:50:12,326 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 09:50:12,326 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 09:50:12,326 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 09:50:12,327 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 09:50:12" (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 09:50:12,393 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-06 09:50:12,393 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-06 09:50:12,393 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-06 09:50:12,393 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-06 09:50:12,394 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-06 09:50:12,394 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-06 09:50:12,394 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-06 09:50:12,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 09:50:12,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 09:50:12,395 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-06 09:50:12,395 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-06 09:50:12,395 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-06 09:50:12,396 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 09:50:12,794 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 09:50:12,794 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-06-06 09:50:12,795 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-06-06 09:50:12,795 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-06-06 09:50:12,796 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread3EXIT is neither atomic block end nor error location. [2021-06-06 09:50:12,797 INFO L202 PluginConnector]: Adding new model array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 09:50:12 BoogieIcfgContainer [2021-06-06 09:50:12,797 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 09:50:12,798 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 09:50:12,798 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 09:50:12,801 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 09:50:12,801 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 09:50:12" (1/2) ... [2021-06-06 09:50:12,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d0448ab and model type array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 09:50:12, skipping insertion in model container [2021-06-06 09:50:12,803 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 09:50:12" (2/2) ... [2021-06-06 09:50:12,805 INFO L111 eAbstractionObserver]: Analyzing ICFG array-int-trans.wvr.bpl [2021-06-06 09:50:12,810 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 09:50:12,810 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 09:50:12,810 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 09:50:12,810 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 09:50:12,850 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-06 09:50:12,869 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 09:50:12,926 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 09:50:12,926 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 09:50:12,926 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 09:50:12,926 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 09:50:12,926 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 09:50:12,927 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 09:50:12,927 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 09:50:12,927 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 09:50:12,949 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:50:12,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:50:12,952 INFO L82 PathProgramCache]: Analyzing trace with hash -1493740920, now seen corresponding path program 1 times [2021-06-06 09:50:12,959 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:50:12,959 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217703630] [2021-06-06 09:50:12,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:50:13,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:50:13,154 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 09:50:13,155 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:50:13,155 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217703630] [2021-06-06 09:50:13,156 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217703630] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 09:50:13,156 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 09:50:13,156 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-06 09:50:13,157 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344144020] [2021-06-06 09:50:13,165 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-06 09:50:13,165 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:50:13,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-06 09:50:13,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-06 09:50:13,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:50:13,185 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:50:13,189 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 09:50:13,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:50:13,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:50:13,249 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 09:50:13,249 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:50:13,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:50:13,254 INFO L82 PathProgramCache]: Analyzing trace with hash 162531388, now seen corresponding path program 1 times [2021-06-06 09:50:13,254 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:50:13,254 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714764513] [2021-06-06 09:50:13,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:50:13,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:50:13,369 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 09:50:13,369 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:50:13,369 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714764513] [2021-06-06 09:50:13,370 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714764513] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:50:13,370 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1177725549] [2021-06-06 09:50:13,370 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 09:50:13,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:50:13,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-06 09:50:13,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:50:13,624 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 09:50:13,625 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1177725549] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:50:13,625 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:50:13,626 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-06-06 09:50:13,627 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206664018] [2021-06-06 09:50:13,627 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-06 09:50:13,628 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:50:13,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-06 09:50:13,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-06 09:50:13,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:50:13,629 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:50:13,629 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 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 09:50:13,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:50:13,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:50:13,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:50:13,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:50:13,993 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:50:13,993 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:50:13,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:50:13,994 INFO L82 PathProgramCache]: Analyzing trace with hash 1596223470, now seen corresponding path program 1 times [2021-06-06 09:50:13,994 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:50:13,995 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696549516] [2021-06-06 09:50:13,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:50:14,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:50:14,080 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 09:50:14,080 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:50:14,080 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696549516] [2021-06-06 09:50:14,080 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696549516] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:50:14,081 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [684611396] [2021-06-06 09:50:14,081 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 09:50:14,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:50:14,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-06 09:50:14,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:50:14,348 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 09:50:14,348 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [684611396] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:50:14,350 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:50:14,350 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-06-06 09:50:14,350 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018296803] [2021-06-06 09:50:14,351 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-06 09:50:14,352 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:50:14,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-06 09:50:14,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-06-06 09:50:14,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:50:14,354 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:50:14,354 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.111111111111111) internal successors, (19), 9 states have internal predecessors, (19), 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 09:50:14,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:50:14,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:50:14,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:50:14,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:50:14,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:50:14,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:14,764 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:50:14,764 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:50:14,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:50:14,765 INFO L82 PathProgramCache]: Analyzing trace with hash -346961070, now seen corresponding path program 1 times [2021-06-06 09:50:14,765 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:50:14,765 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799092873] [2021-06-06 09:50:14,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:50:14,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:50:14,834 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 09:50:14,834 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:50:14,834 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799092873] [2021-06-06 09:50:14,834 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799092873] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:50:14,835 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1127236918] [2021-06-06 09:50:14,835 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 09:50:14,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:50:14,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-06 09:50:14,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:50:14,968 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 09:50:14,968 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1127236918] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:50:14,968 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:50:14,969 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-06-06 09:50:14,969 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975151386] [2021-06-06 09:50:14,969 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-06 09:50:14,969 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:50:14,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-06 09:50:14,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-06-06 09:50:14,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:50:14,970 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:50:14,970 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.111111111111111) internal successors, (19), 9 states have internal predecessors, (19), 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 09:50:14,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:50:14,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:50:14,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:14,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:50:15,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:50:15,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:50:15,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:15,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:50:15,303 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:50:15,304 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:50:15,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:50:15,304 INFO L82 PathProgramCache]: Analyzing trace with hash 1352968370, now seen corresponding path program 1 times [2021-06-06 09:50:15,305 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:50:15,305 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12955914] [2021-06-06 09:50:15,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:50:15,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:50:15,357 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:50:15,357 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:50:15,357 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12955914] [2021-06-06 09:50:15,357 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12955914] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:50:15,357 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [298246194] [2021-06-06 09:50:15,357 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) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:50:15,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:50:15,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-06 09:50:15,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:50:15,448 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:50:15,448 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [298246194] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:50:15,448 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:50:15,449 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-06-06 09:50:15,449 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423346967] [2021-06-06 09:50:15,449 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-06 09:50:15,449 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:50:15,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-06 09:50:15,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-06-06 09:50:15,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:50:15,450 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:50:15,450 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 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 09:50:15,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:50:15,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:50:15,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:15,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:50:15,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:50:15,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:50:15,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:50:15,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:15,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:50:15,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:15,757 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-06-06 09:50:15,757 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:50:15,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:50:15,758 INFO L82 PathProgramCache]: Analyzing trace with hash -350101756, now seen corresponding path program 1 times [2021-06-06 09:50:15,758 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:50:15,758 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261972896] [2021-06-06 09:50:15,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:50:15,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:50:16,221 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 09:50:16,222 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:50:16,222 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261972896] [2021-06-06 09:50:16,222 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261972896] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:50:16,222 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1848326424] [2021-06-06 09:50:16,222 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 09:50:16,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:50:16,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-06 09:50:16,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:50:16,606 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:16,607 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:16,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:50:16,613 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:16,617 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:16,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:50:16,619 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:16,658 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:50:16,663 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:16,663 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:16,665 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 25 treesize of output 19 [2021-06-06 09:50:16,666 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:16,675 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:16,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:50:16,682 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-06-06 09:50:16,721 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:50:16,736 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 09:50:16,736 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:115, output treesize:103 [2021-06-06 09:50:17,251 INFO L446 ElimStorePlain]: Different costs {1=[array_4], 15=[array_0]} [2021-06-06 09:50:17,258 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:17,259 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 35 treesize of output 27 [2021-06-06 09:50:17,262 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-06-06 09:50:17,269 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:17,270 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 15 treesize of output 11 [2021-06-06 09:50:17,271 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:17,278 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:17,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:50:17,281 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:17,288 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:17,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:50:17,291 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:17,299 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:17,299 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 27 treesize of output 21 [2021-06-06 09:50:17,303 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:17,311 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:17,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:50:17,314 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2021-06-06 09:50:17,321 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:17,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:50:17,324 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2021-06-06 09:50:17,333 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:17,334 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 18 treesize of output 14 [2021-06-06 09:50:17,335 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:17,342 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:17,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:50:17,346 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:17,353 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 37 treesize of output 29 [2021-06-06 09:50:17,356 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 2 xjuncts. [2021-06-06 09:50:17,720 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 81 [2021-06-06 09:50:17,722 INFO L628 ElimStorePlain]: treesize reduction 144, result has 71.3 percent of original size [2021-06-06 09:50:17,728 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:17,729 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:17,730 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 12 treesize of output 5 [2021-06-06 09:50:17,731 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:17,742 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:17,743 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:17,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:50:17,746 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:17,757 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:50:17,763 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:17,764 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:17,764 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:50:17,766 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:17,771 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:17,772 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:17,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:50:17,773 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:17,784 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:50:17,789 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:17,790 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:17,791 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 09:50:17,791 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:17,797 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:17,797 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:17,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:50:17,799 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:17,810 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:50:17,816 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:17,816 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:17,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:50:17,821 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:17,826 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:17,827 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:17,827 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 24 treesize of output 9 [2021-06-06 09:50:17,829 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:17,834 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:17,835 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:17,835 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 44 treesize of output 19 [2021-06-06 09:50:17,837 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:17,851 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:50:17,857 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:17,858 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:17,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:50:17,861 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:17,868 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:17,869 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 20 treesize of output 9 [2021-06-06 09:50:17,870 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:18,010 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-06-06 09:50:18,011 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:50:18,020 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-1 vars, End of recursive call: and 8 xjuncts. [2021-06-06 09:50:18,021 INFO L247 ElimStorePlain]: Needed 22 recursive calls to eliminate 7 variables, input treesize:403, output treesize:179 [2021-06-06 09:50:18,230 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2021-06-06 09:50:18,330 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 09:50:18,331 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1848326424] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:50:18,331 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:50:18,331 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 16 [2021-06-06 09:50:18,331 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477195149] [2021-06-06 09:50:18,331 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-06 09:50:18,331 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:50:18,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-06 09:50:18,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2021-06-06 09:50:18,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:50:18,332 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:50:18,332 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.9375) internal successors, (31), 16 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 09:50:18,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:50:18,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:50:18,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:18,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:50:18,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:18,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:50:18,783 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 80 [2021-06-06 09:50:19,000 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 88 [2021-06-06 09:50:19,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:50:19,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:50:19,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:19,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:50:19,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:19,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:19,245 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:50:19,245 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:50:19,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:50:19,246 INFO L82 PathProgramCache]: Analyzing trace with hash 1194517604, now seen corresponding path program 2 times [2021-06-06 09:50:19,246 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:50:19,246 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011416686] [2021-06-06 09:50:19,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:50:19,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:50:19,509 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 09:50:19,509 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:50:19,509 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011416686] [2021-06-06 09:50:19,509 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011416686] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:50:19,509 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [438945789] [2021-06-06 09:50:19,509 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 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 09:50:19,544 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 09:50:19,545 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:50:19,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 22 conjunts are in the unsatisfiable core [2021-06-06 09:50:19,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:50:19,839 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:19,839 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:19,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:50:19,841 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:19,845 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:19,846 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:19,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:50:19,847 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:19,851 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:19,852 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:19,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:50:19,854 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:19,858 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:19,858 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:19,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:50:19,860 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:19,864 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:19,865 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:19,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:50:19,867 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:19,871 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:19,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:50:19,872 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:19,997 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2021-06-06 09:50:19,998 INFO L628 ElimStorePlain]: treesize reduction 2, result has 98.5 percent of original size [2021-06-06 09:50:20,004 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 09:50:20,005 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:193, output treesize:125 [2021-06-06 09:50:20,281 INFO L446 ElimStorePlain]: Different costs {0=[array_4, v_prenex_15], 1=[array_0, v_prenex_14]} [2021-06-06 09:50:20,285 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 09:50:20,287 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-06 09:50:20,291 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 09:50:20,292 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:20,335 INFO L628 ElimStorePlain]: treesize reduction 59, result has 52.0 percent of original size [2021-06-06 09:50:20,338 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 09:50:20,340 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:20,356 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:50:20,359 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:20,360 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:20,360 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 11 treesize of output 3 [2021-06-06 09:50:20,361 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:20,364 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:20,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:50:20,365 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:20,373 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:50:20,387 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:50:20,387 INFO L518 ElimStorePlain]: Eliminatee v_prenex_14 vanished before elimination [2021-06-06 09:50:20,390 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-06 09:50:20,391 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:119, output treesize:18 [2021-06-06 09:50:20,437 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 09:50:20,438 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [438945789] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:50:20,438 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:50:20,438 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 18 [2021-06-06 09:50:20,438 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649478104] [2021-06-06 09:50:20,438 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-06 09:50:20,438 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:50:20,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-06 09:50:20,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2021-06-06 09:50:20,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:50:20,439 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:50:20,440 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.8333333333333333) internal successors, (33), 18 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 09:50:20,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:50:20,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:50:20,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:20,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:50:20,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:20,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:20,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:50:20,854 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 61 [2021-06-06 09:50:21,036 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 76 [2021-06-06 09:50:21,179 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 64 [2021-06-06 09:50:21,370 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 69 [2021-06-06 09:50:21,567 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2021-06-06 09:50:21,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:50:21,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:50:21,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:21,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:50:21,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:21,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:21,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:50:21,828 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2021-06-06 09:50:21,829 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:50:21,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:50:21,830 INFO L82 PathProgramCache]: Analyzing trace with hash -967108206, now seen corresponding path program 3 times [2021-06-06 09:50:21,830 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:50:21,830 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241452953] [2021-06-06 09:50:21,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:50:21,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:50:21,990 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 09:50:21,991 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:50:21,991 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241452953] [2021-06-06 09:50:21,991 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241452953] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:50:21,991 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [175982411] [2021-06-06 09:50:21,991 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 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 09:50:22,040 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-06-06 09:50:22,040 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:50:22,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 20 conjunts are in the unsatisfiable core [2021-06-06 09:50:22,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:50:22,158 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 09:50:22,160 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:22,163 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 09:50:22,164 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:22,167 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:22,168 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 17 treesize of output 13 [2021-06-06 09:50:22,169 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:22,172 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 09:50:22,173 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:22,176 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:22,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:50:22,177 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:22,180 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 09:50:22,181 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:22,214 INFO L628 ElimStorePlain]: treesize reduction 22, result has 59.3 percent of original size [2021-06-06 09:50:22,215 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-06 09:50:22,215 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:107, output treesize:32 [2021-06-06 09:50:22,298 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:22,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:50:22,299 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:22,302 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 09:50:22,303 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:22,306 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:22,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:50:22,307 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:22,309 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 09:50:22,311 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:22,330 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-06-06 09:50:22,330 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 09:50:22,331 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 09:50:22,331 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-06 09:50:22,362 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 09:50:22,362 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [175982411] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:50:22,362 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:50:22,362 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 19 [2021-06-06 09:50:22,362 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486199854] [2021-06-06 09:50:22,363 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-06 09:50:22,363 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:50:22,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-06 09:50:22,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=301, Unknown=0, NotChecked=0, Total=342 [2021-06-06 09:50:22,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:50:22,363 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:50:22,364 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.894736842105263) internal successors, (36), 19 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 09:50:22,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:50:22,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:50:22,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:22,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:50:22,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:22,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:22,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:50:22,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:50:23,638 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 90 [2021-06-06 09:50:23,997 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 119 [2021-06-06 09:50:24,355 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 121 [2021-06-06 09:50:24,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:50:24,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:50:24,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:24,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:50:24,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:24,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:50:24,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:50:24,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:50:24,620 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable65 [2021-06-06 09:50:24,621 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:50:24,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:50:24,621 INFO L82 PathProgramCache]: Analyzing trace with hash -1605668110, now seen corresponding path program 4 times [2021-06-06 09:50:24,621 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:50:24,621 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766540953] [2021-06-06 09:50:24,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:50:24,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:50:24,805 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:50:24,805 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:50:24,805 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766540953] [2021-06-06 09:50:24,805 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766540953] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:50:24,805 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [32966909] [2021-06-06 09:50:24,805 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 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 09:50:24,838 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 09:50:24,838 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:50:24,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-06 09:50:24,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:50:25,170 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:25,171 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:25,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:50:25,173 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:25,177 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:25,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:50:25,179 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:25,244 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:50:25,250 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:25,251 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:25,252 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 25 treesize of output 19 [2021-06-06 09:50:25,253 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:25,258 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:25,258 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 15 treesize of output 11 [2021-06-06 09:50:25,259 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:25,309 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:50:25,314 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:25,315 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:25,319 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 27 treesize of output 21 [2021-06-06 09:50:25,329 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2021-06-06 09:50:25,334 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:25,334 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 25 treesize of output 19 [2021-06-06 09:50:25,336 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:25,388 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:50:25,402 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 09:50:25,402 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:172, output treesize:146 [2021-06-06 09:50:25,871 INFO L446 ElimStorePlain]: Different costs {1=[array_4], 21=[array_0]} [2021-06-06 09:50:25,877 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:25,877 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 15 treesize of output 11 [2021-06-06 09:50:25,879 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:25,884 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:25,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:50:25,886 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:25,892 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:25,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:50:25,894 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:25,899 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:25,902 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 27 treesize of output 21 [2021-06-06 09:50:25,903 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:25,909 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:25,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:50:25,910 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:25,916 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:25,916 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 25 treesize of output 19 [2021-06-06 09:50:25,918 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:25,923 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:25,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:50:25,925 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:25,930 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:25,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:50:25,932 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:25,938 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:25,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:50:25,939 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:25,945 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:25,945 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 19 treesize of output 15 [2021-06-06 09:50:25,946 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:25,952 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:25,952 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 09:50:25,953 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:25,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:50:25,961 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:26,118 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2021-06-06 09:50:26,118 INFO L628 ElimStorePlain]: treesize reduction 122, result has 52.0 percent of original size [2021-06-06 09:50:26,123 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:26,123 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:26,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 09:50:26,125 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:26,128 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:26,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:50:26,130 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:26,182 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:50:26,187 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-06-06 09:50:26,188 INFO L247 ElimStorePlain]: Needed 15 recursive calls to eliminate 8 variables, input treesize:405, output treesize:58 [2021-06-06 09:50:26,293 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 09:50:26,293 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [32966909] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:50:26,293 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:50:26,294 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 18 [2021-06-06 09:50:26,294 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545407162] [2021-06-06 09:50:26,294 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-06 09:50:26,294 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:50:26,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-06 09:50:26,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2021-06-06 09:50:26,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:50:26,295 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:50:26,295 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.8333333333333333) internal successors, (33), 18 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 09:50:26,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:50:26,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:50:26,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:26,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:50:26,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:26,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:50:26,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:50:26,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:50:26,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:50:26,897 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 42 [2021-06-06 09:50:27,074 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 103 [2021-06-06 09:50:27,222 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 53 [2021-06-06 09:50:27,410 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2021-06-06 09:50:27,693 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 114 [2021-06-06 09:50:27,966 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 124 [2021-06-06 09:50:28,161 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2021-06-06 09:50:28,381 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 83 [2021-06-06 09:50:28,597 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 110 [2021-06-06 09:50:28,898 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 111 [2021-06-06 09:50:29,102 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 117 [2021-06-06 09:50:29,406 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 115 [2021-06-06 09:50:29,578 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 108 [2021-06-06 09:50:29,784 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 64 [2021-06-06 09:50:29,979 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 60 [2021-06-06 09:50:30,150 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 57 [2021-06-06 09:50:30,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:50:30,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:50:30,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:30,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:30,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:30,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:50:30,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:50:30,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:50:30,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 09:50:30,372 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:50:30,375 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:50:30,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:50:30,375 INFO L82 PathProgramCache]: Analyzing trace with hash -1508306844, now seen corresponding path program 1 times [2021-06-06 09:50:30,375 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:50:30,375 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292336195] [2021-06-06 09:50:30,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:50:30,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:50:30,424 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 09:50:30,424 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:50:30,425 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292336195] [2021-06-06 09:50:30,425 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292336195] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:50:30,425 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2110661723] [2021-06-06 09:50:30,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 09:50:30,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:50:30,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-06 09:50:30,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:50:30,530 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 09:50:30,530 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2110661723] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:50:30,530 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:50:30,530 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-06-06 09:50:30,530 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989241970] [2021-06-06 09:50:30,531 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-06 09:50:30,531 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:50:30,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-06 09:50:30,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-06 09:50:30,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:50:30,532 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:50:30,532 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 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 09:50:30,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:50:30,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:50:30,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:30,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:30,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:30,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:50:30,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:50:30,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:50:30,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 09:50:30,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:50:30,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:50:30,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:50:30,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:30,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:30,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:30,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:50:30,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:50:30,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:50:30,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:50:30,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:50:31,099 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:50:31,099 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:50:31,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:50:31,100 INFO L82 PathProgramCache]: Analyzing trace with hash 1957685294, now seen corresponding path program 5 times [2021-06-06 09:50:31,100 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:50:31,100 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913461864] [2021-06-06 09:50:31,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:50:31,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:50:31,224 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:50:31,225 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:50:31,225 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913461864] [2021-06-06 09:50:31,225 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913461864] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:50:31,225 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [738055065] [2021-06-06 09:50:31,225 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 09:50:31,258 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 09:50:31,258 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:50:31,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 22 conjunts are in the unsatisfiable core [2021-06-06 09:50:31,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:50:31,325 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:31,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:50:31,326 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:31,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:50:31,330 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:31,344 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:50:31,345 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 09:50:31,346 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-06-06 09:50:31,408 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:31,409 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 15 treesize of output 11 [2021-06-06 09:50:31,410 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:31,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:50:31,414 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:31,429 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-06 09:50:31,429 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 09:50:31,430 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 09:50:31,430 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-06 09:50:31,458 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:50:31,458 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [738055065] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:50:31,458 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:50:31,458 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 14 [2021-06-06 09:50:31,458 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312794640] [2021-06-06 09:50:31,459 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-06 09:50:31,459 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:50:31,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-06 09:50:31,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-06-06 09:50:31,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:50:31,460 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:50:31,460 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.8571428571428572) internal successors, (26), 14 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 09:50:31,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:50:31,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:50:31,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:31,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:31,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:31,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:50:31,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:50:31,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:50:31,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:50:31,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:50:31,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:50:31,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:50:31,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:50:31,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:31,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:31,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:31,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:50:31,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:50:31,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:50:31,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:50:31,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:50:31,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:50:31,988 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable113 [2021-06-06 09:50:31,989 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:50:31,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:50:31,989 INFO L82 PathProgramCache]: Analyzing trace with hash 1216253704, now seen corresponding path program 6 times [2021-06-06 09:50:31,989 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:50:31,989 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613313797] [2021-06-06 09:50:31,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:50:32,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:50:32,388 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 09:50:32,389 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:50:32,389 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613313797] [2021-06-06 09:50:32,389 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613313797] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:50:32,389 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1292653122] [2021-06-06 09:50:32,389 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 09:50:32,434 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-06-06 09:50:32,435 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:50:32,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 36 conjunts are in the unsatisfiable core [2021-06-06 09:50:32,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:50:32,998 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2021-06-06 09:50:33,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:50:33,141 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:33,143 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:33,144 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:33,145 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:33,147 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 09:50:33,148 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:33,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:50:33,155 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:33,155 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:33,156 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 09:50:33,158 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:33,328 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 62 [2021-06-06 09:50:33,328 INFO L628 ElimStorePlain]: treesize reduction 36, result has 85.9 percent of original size [2021-06-06 09:50:33,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:50:33,335 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:33,335 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:33,338 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:33,339 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:33,340 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 09:50:33,341 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:33,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:50:33,347 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:33,348 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:33,348 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 09:50:33,350 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:33,415 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:50:33,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:50:33,422 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:33,422 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:33,424 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:33,425 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:33,426 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 09:50:33,428 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:33,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:50:33,434 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:33,435 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:33,435 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 09:50:33,436 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:33,500 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:50:33,516 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-1 vars, End of recursive call: 5 dim-0 vars, and 5 xjuncts. [2021-06-06 09:50:33,516 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:288, output treesize:172 [2021-06-06 09:50:33,920 INFO L446 ElimStorePlain]: Different costs {0=[array_4, v_prenex_35, v_prenex_37], 3=[array_0, v_prenex_36, v_prenex_34]} [2021-06-06 09:50:33,926 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 20 [2021-06-06 09:50:33,927 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:33,931 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 09:50:33,933 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:34,039 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2021-06-06 09:50:34,040 INFO L628 ElimStorePlain]: treesize reduction 40, result has 78.4 percent of original size [2021-06-06 09:50:34,044 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 09:50:34,046 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-06 09:50:34,100 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:50:34,104 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 27 treesize of output 21 [2021-06-06 09:50:34,106 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:34,121 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 29 treesize of output 23 [2021-06-06 09:50:34,123 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:34,163 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:50:34,167 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:34,167 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:34,168 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 11 treesize of output 3 [2021-06-06 09:50:34,168 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:34,172 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:34,173 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 9 treesize of output 3 [2021-06-06 09:50:34,174 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:34,205 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:50:34,208 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:34,209 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:34,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:50:34,210 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:34,213 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:34,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:50:34,214 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:34,244 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:50:34,275 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:34,276 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:34,276 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 21 treesize of output 7 [2021-06-06 09:50:34,277 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:34,281 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:34,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:50:34,282 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:34,292 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:50:34,327 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:50:34,330 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 6 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-06-06 09:50:34,330 INFO L247 ElimStorePlain]: Needed 12 recursive calls to eliminate 9 variables, input treesize:217, output treesize:31 [2021-06-06 09:50:34,387 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 09:50:34,387 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1292653122] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:50:34,387 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:50:34,387 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 22 [2021-06-06 09:50:34,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900421747] [2021-06-06 09:50:34,388 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-06 09:50:34,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:50:34,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-06 09:50:34,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=408, Unknown=0, NotChecked=0, Total=462 [2021-06-06 09:50:34,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:50:34,389 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:50:34,389 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 1.6818181818181819) internal successors, (37), 22 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 09:50:34,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:50:34,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:50:34,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:34,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:34,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:34,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:50:34,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:50:34,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:50:34,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:50:34,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:50:34,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:50:34,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:50:34,991 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 83 [2021-06-06 09:50:35,218 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 92 [2021-06-06 09:50:35,383 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 86 [2021-06-06 09:50:35,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:50:35,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:50:35,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:35,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:35,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:35,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:50:35,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:50:35,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:50:35,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:50:35,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:50:35,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:50:35,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:50:35,662 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:50:35,663 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:50:35,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:50:35,663 INFO L82 PathProgramCache]: Analyzing trace with hash 613122108, now seen corresponding path program 7 times [2021-06-06 09:50:35,663 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:50:35,663 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141677032] [2021-06-06 09:50:35,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:50:35,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:50:35,871 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 09:50:35,872 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:50:35,872 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141677032] [2021-06-06 09:50:35,872 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141677032] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:50:35,872 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [342416840] [2021-06-06 09:50:35,872 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 09:50:35,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:50:35,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 32 conjunts are in the unsatisfiable core [2021-06-06 09:50:35,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:50:36,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:50:36,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:50:36,271 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:36,274 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:36,274 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 09:50:36,276 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:36,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:50:36,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:50:36,281 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:36,283 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:36,283 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 37 treesize of output 27 [2021-06-06 09:50:36,285 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:36,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:50:36,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:50:36,290 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:36,292 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:36,293 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 09:50:36,294 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:36,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:50:36,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:50:36,299 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:36,299 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 27 treesize of output 19 [2021-06-06 09:50:36,301 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:36,376 INFO L628 ElimStorePlain]: treesize reduction 2, result has 97.9 percent of original size [2021-06-06 09:50:36,380 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 4 xjuncts. [2021-06-06 09:50:36,380 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:185, output treesize:87 [2021-06-06 09:50:36,655 INFO L446 ElimStorePlain]: Different costs {1=[array_4], 3=[array_0]} [2021-06-06 09:50:36,659 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:36,660 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 25 treesize of output 19 [2021-06-06 09:50:36,661 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:36,665 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:36,665 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 15 treesize of output 11 [2021-06-06 09:50:36,666 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:36,670 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 09:50:36,671 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:36,675 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:36,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:50:36,677 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 4 xjuncts. [2021-06-06 09:50:36,682 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:36,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:50:36,684 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:36,687 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 34 treesize of output 26 [2021-06-06 09:50:36,688 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:36,760 INFO L628 ElimStorePlain]: treesize reduction 182, result has 30.0 percent of original size [2021-06-06 09:50:36,763 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:36,764 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:36,765 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 21 treesize of output 7 [2021-06-06 09:50:36,766 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:36,769 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:36,769 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 21 treesize of output 7 [2021-06-06 09:50:36,770 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:36,776 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:50:36,799 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:50:36,817 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 09:50:36,817 INFO L247 ElimStorePlain]: Needed 9 recursive calls to eliminate 4 variables, input treesize:256, output treesize:38 [2021-06-06 09:50:36,915 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 09:50:36,915 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [342416840] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:50:36,915 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:50:36,915 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2021-06-06 09:50:36,915 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578398282] [2021-06-06 09:50:36,916 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-06 09:50:36,916 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:50:36,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-06 09:50:36,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=457, Unknown=0, NotChecked=0, Total=506 [2021-06-06 09:50:36,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:50:36,917 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:50:36,917 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 1.6956521739130435) internal successors, (39), 23 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 09:50:36,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:50:36,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:50:36,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:36,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:36,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:36,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:50:36,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:50:36,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:50:36,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:50:36,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:50:36,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:50:36,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:50:36,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:50:38,379 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2021-06-06 09:50:38,710 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 75 [2021-06-06 09:50:38,889 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 75 [2021-06-06 09:50:39,152 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2021-06-06 09:50:39,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:50:39,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:50:39,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:39,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:39,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:39,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:50:39,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:50:39,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:50:39,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:50:39,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:50:39,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:50:39,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:50:39,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:50:39,396 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable161 [2021-06-06 09:50:39,396 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:50:39,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:50:39,397 INFO L82 PathProgramCache]: Analyzing trace with hash -1810499398, now seen corresponding path program 8 times [2021-06-06 09:50:39,397 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:50:39,397 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384960855] [2021-06-06 09:50:39,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:50:39,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:50:39,544 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 09:50:39,544 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:50:39,544 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384960855] [2021-06-06 09:50:39,544 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384960855] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:50:39,544 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [738720900] [2021-06-06 09:50:39,544 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 09:50:39,593 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 09:50:39,594 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:50:39,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 26 conjunts are in the unsatisfiable core [2021-06-06 09:50:39,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:50:39,706 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:39,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:50:39,707 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:39,711 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 09:50:39,713 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:39,715 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 09:50:39,716 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:39,718 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:39,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:50:39,719 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:39,722 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 09:50:39,722 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:39,724 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 09:50:39,725 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:39,750 INFO L628 ElimStorePlain]: treesize reduction 6, result has 84.2 percent of original size [2021-06-06 09:50:39,751 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-06 09:50:39,751 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:107, output treesize:32 [2021-06-06 09:50:39,836 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:39,837 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 16 treesize of output 12 [2021-06-06 09:50:39,838 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:39,840 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 09:50:39,842 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:39,844 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 09:50:39,845 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:39,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:50:39,848 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:39,864 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-06-06 09:50:39,864 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 09:50:39,865 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 09:50:39,865 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-06 09:50:39,890 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 09:50:39,890 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [738720900] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:50:39,890 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:50:39,890 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 20 [2021-06-06 09:50:39,890 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162272385] [2021-06-06 09:50:39,891 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-06 09:50:39,891 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:50:39,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-06 09:50:39,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-06-06 09:50:39,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:50:39,892 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:50:39,892 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 1.6) internal successors, (32), 20 states have internal predecessors, (32), 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 09:50:39,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:50:39,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:50:39,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:39,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:39,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:39,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:50:39,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:50:39,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:50:39,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:50:39,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:50:39,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:50:39,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:50:39,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:50:39,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:50:40,918 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 86 [2021-06-06 09:50:41,127 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 85 [2021-06-06 09:50:41,344 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 96 [2021-06-06 09:50:41,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:50:41,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:50:41,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:41,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:41,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:41,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:50:41,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:50:41,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:50:41,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:50:41,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:50:41,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:50:41,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:50:41,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:50:41,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:50:41,601 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable174,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:50:41,601 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:50:41,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:50:41,601 INFO L82 PathProgramCache]: Analyzing trace with hash -293289106, now seen corresponding path program 9 times [2021-06-06 09:50:41,602 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:50:41,602 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646451710] [2021-06-06 09:50:41,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:50:41,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:50:41,828 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 09:50:41,828 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:50:41,828 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646451710] [2021-06-06 09:50:41,828 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646451710] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:50:41,828 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1786735567] [2021-06-06 09:50:41,828 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 09:50:41,871 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-06 09:50:41,871 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:50:41,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 32 conjunts are in the unsatisfiable core [2021-06-06 09:50:41,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:50:41,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:50:41,991 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 09:50:41,993 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:41,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:50:41,999 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 09:50:42,001 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:42,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:50:42,005 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 09:50:42,006 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-06 09:50:42,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:50:42,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 09:50:42,011 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:42,047 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:50:42,048 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-06 09:50:42,048 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:183, output treesize:127 [2021-06-06 09:50:42,323 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:42,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:50:42,324 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:42,328 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:42,328 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 27 treesize of output 21 [2021-06-06 09:50:42,329 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:42,335 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:42,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:50:42,336 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:42,340 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 09:50:42,341 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:42,344 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 09:50:42,345 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:42,350 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:42,351 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 15 treesize of output 11 [2021-06-06 09:50:42,352 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:42,355 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 09:50:42,358 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:42,362 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 09:50:42,362 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:42,366 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:42,366 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 15 treesize of output 11 [2021-06-06 09:50:42,368 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:42,371 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 09:50:42,372 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:42,375 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:42,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:50:42,376 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:42,379 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 09:50:42,380 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:42,383 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:42,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:50:42,385 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:42,387 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 09:50:42,388 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:42,465 INFO L628 ElimStorePlain]: treesize reduction 69, result has 52.7 percent of original size [2021-06-06 09:50:42,468 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:42,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:50:42,470 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:42,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:50:42,473 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:42,503 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:50:42,505 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2021-06-06 09:50:42,505 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 2 variables, input treesize:419, output treesize:61 [2021-06-06 09:50:42,601 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 09:50:42,602 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1786735567] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:50:42,602 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:50:42,602 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13] total 21 [2021-06-06 09:50:42,602 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770680760] [2021-06-06 09:50:42,602 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-06 09:50:42,602 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:50:42,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-06 09:50:42,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2021-06-06 09:50:42,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:50:42,603 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:50:42,603 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 09:50:42,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:50:42,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:50:42,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:42,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:42,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:42,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:50:42,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:50:42,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:50:42,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:50:42,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:50:42,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:50:42,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:50:42,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:50:42,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:50:42,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:50:43,893 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2021-06-06 09:50:44,085 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2021-06-06 09:50:44,260 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2021-06-06 09:50:44,483 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2021-06-06 09:50:44,719 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 96 [2021-06-06 09:50:45,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:50:45,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:50:45,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:45,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:45,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:45,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:50:45,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:50:45,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:50:45,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 09:50:45,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:50:45,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:50:45,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:50:45,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:50:45,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:50:45,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:50:45,308 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable183 [2021-06-06 09:50:45,309 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:50:45,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:50:45,309 INFO L82 PathProgramCache]: Analyzing trace with hash 1198537210, now seen corresponding path program 10 times [2021-06-06 09:50:45,309 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:50:45,309 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926022115] [2021-06-06 09:50:45,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:50:45,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:50:45,448 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 09:50:45,449 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:50:45,449 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926022115] [2021-06-06 09:50:45,449 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926022115] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:50:45,449 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [144202807] [2021-06-06 09:50:45,449 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 09:50:45,478 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 09:50:45,478 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:50:45,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-06 09:50:45,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:50:45,539 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 09:50:45,540 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:45,543 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 24 treesize of output 18 [2021-06-06 09:50:45,544 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:45,554 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 09:50:45,555 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:45,591 INFO L628 ElimStorePlain]: treesize reduction 26, result has 68.3 percent of original size [2021-06-06 09:50:45,592 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 09:50:45,592 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:109, output treesize:56 [2021-06-06 09:50:45,702 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 09:50:45,704 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-06 09:50:45,715 INFO L628 ElimStorePlain]: treesize reduction 7, result has 61.1 percent of original size [2021-06-06 09:50:45,715 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 09:50:45,716 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 09:50:45,716 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:31, output treesize:11 [2021-06-06 09:50:45,741 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 09:50:45,741 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [144202807] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:50:45,742 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:50:45,742 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 15 [2021-06-06 09:50:45,742 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832748990] [2021-06-06 09:50:45,742 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-06 09:50:45,742 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:50:45,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-06 09:50:45,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-06-06 09:50:45,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:50:45,744 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:50:45,744 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 2.0) internal successors, (30), 15 states have internal predecessors, (30), 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 09:50:45,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:50:45,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:50:45,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:45,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:45,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:45,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:50:45,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:50:45,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:50:45,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 09:50:45,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:50:45,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:50:45,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:50:45,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:50:45,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:50:45,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:50:45,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:50:47,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:50:47,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:50:47,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:47,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:47,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:47,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:50:47,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:50:47,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:50:47,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 09:50:47,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:50:47,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:50:47,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:50:47,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:50:47,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:50:47,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 09:50:47,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:50:47,282 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable200 [2021-06-06 09:50:47,282 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:50:47,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:50:47,283 INFO L82 PathProgramCache]: Analyzing trace with hash 180996178, now seen corresponding path program 11 times [2021-06-06 09:50:47,283 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:50:47,283 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34253251] [2021-06-06 09:50:47,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:50:47,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:50:47,492 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 09:50:47,492 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:50:47,492 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34253251] [2021-06-06 09:50:47,492 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34253251] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:50:47,493 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1697660786] [2021-06-06 09:50:47,493 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 09:50:47,526 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-06 09:50:47,526 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:50:47,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-06 09:50:47,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:50:47,671 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:47,672 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:47,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:50:47,673 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:47,675 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:47,676 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 09:50:47,677 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:47,692 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:50:47,694 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 09:50:47,695 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:51, output treesize:37 [2021-06-06 09:50:47,932 INFO L446 ElimStorePlain]: Different costs {3=[array_4], 6=[array_0]} [2021-06-06 09:50:47,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:50:47,938 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:47,938 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 09:50:47,940 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:47,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:50:47,945 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:47,945 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 09:50:47,947 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-06 09:50:47,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:50:47,952 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:47,954 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 09:50:47,956 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:47,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:50:47,960 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 09:50:47,962 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:48,039 INFO L628 ElimStorePlain]: treesize reduction 38, result has 72.7 percent of original size [2021-06-06 09:50:48,043 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:48,044 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:48,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:50:48,045 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:48,047 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:48,048 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:48,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:50:48,049 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:48,051 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:48,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:50:48,058 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:48,064 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:50:48,098 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:50:48,099 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-06 09:50:48,100 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 4 variables, input treesize:193, output treesize:55 [2021-06-06 09:50:48,188 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 09:50:48,188 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1697660786] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:50:48,188 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:50:48,188 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 22 [2021-06-06 09:50:48,188 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041953796] [2021-06-06 09:50:48,189 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-06 09:50:48,189 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:50:48,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-06 09:50:48,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=408, Unknown=0, NotChecked=0, Total=462 [2021-06-06 09:50:48,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:50:48,189 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:50:48,189 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 1.7272727272727273) internal successors, (38), 22 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 09:50:48,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:50:48,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:50:48,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:48,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:48,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:48,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:50:48,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:50:48,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:50:48,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 09:50:48,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:50:48,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:50:48,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:50:48,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:50:48,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:50:48,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 09:50:48,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:50:48,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:50:48,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:50:48,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:50:48,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:48,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:48,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:48,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:50:48,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:50:48,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:50:48,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 09:50:48,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:50:48,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:50:48,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:50:48,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:50:48,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:50:48,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 09:50:48,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:50:48,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:50:48,870 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable206 [2021-06-06 09:50:48,870 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:50:48,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:50:48,870 INFO L82 PathProgramCache]: Analyzing trace with hash -1415090126, now seen corresponding path program 12 times [2021-06-06 09:50:48,871 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:50:48,871 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970997483] [2021-06-06 09:50:48,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:50:48,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:50:48,997 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 09:50:48,997 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:50:48,998 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970997483] [2021-06-06 09:50:48,998 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970997483] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:50:48,998 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [69634726] [2021-06-06 09:50:48,998 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 09:50:49,033 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-06-06 09:50:49,034 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:50:49,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 26 conjunts are in the unsatisfiable core [2021-06-06 09:50:49,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:50:49,093 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 09:50:49,094 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:49,096 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 09:50:49,097 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:49,109 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:50:49,110 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 09:50:49,110 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-06-06 09:50:49,186 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:49,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:50:49,189 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:49,190 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:50:49,191 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:49,206 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-06 09:50:49,206 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 09:50:49,206 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 09:50:49,206 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-06 09:50:49,227 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 09:50:49,228 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [69634726] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:50:49,228 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:50:49,228 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 18 [2021-06-06 09:50:49,228 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508627082] [2021-06-06 09:50:49,228 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-06 09:50:49,228 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:50:49,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-06 09:50:49,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2021-06-06 09:50:49,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:50:49,229 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:50:49,229 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.6666666666666667) internal successors, (30), 18 states have internal predecessors, (30), 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 09:50:49,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:50:49,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:50:49,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:49,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:49,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:49,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:50:49,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:50:49,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:50:49,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 09:50:49,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:50:49,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:50:49,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:50:49,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:50:49,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:50:49,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 09:50:49,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:50:49,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:50:49,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:50:49,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:50:49,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:50:49,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:49,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:49,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:49,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:50:49,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:50:49,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:50:49,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 09:50:49,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:50:49,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:50:49,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:50:49,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:50:49,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:50:49,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 09:50:49,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:50:49,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:50:49,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:50:49,795 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable222 [2021-06-06 09:50:49,795 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:50:49,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:50:49,795 INFO L82 PathProgramCache]: Analyzing trace with hash -260569212, now seen corresponding path program 13 times [2021-06-06 09:50:49,796 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:50:49,796 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816424610] [2021-06-06 09:50:49,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:50:49,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:50:50,280 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 09:50:50,280 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:50:50,280 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816424610] [2021-06-06 09:50:50,280 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816424610] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:50:50,280 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1401269901] [2021-06-06 09:50:50,280 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 09:50:50,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:50:50,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 51 conjunts are in the unsatisfiable core [2021-06-06 09:50:50,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:50:50,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:50:50,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:50:50,985 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:50,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:50:50,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:50:50,989 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:50,989 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:50,991 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:50,994 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:50,995 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:50,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 43 [2021-06-06 09:50:50,997 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:51,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:50:51,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:50:51,002 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:51,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:50:51,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:50:51,004 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:51,005 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:51,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-06 09:50:51,007 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:51,073 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:50:51,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:50:51,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:50:51,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:50:51,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:50:51,082 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:51,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:50:51,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:50:51,084 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:51,084 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:51,088 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:51,090 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:51,090 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:51,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 43 [2021-06-06 09:50:51,092 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:51,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:50:51,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:50:51,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:50:51,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:50:51,099 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:51,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:50:51,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:50:51,101 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:51,102 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:51,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 45 [2021-06-06 09:50:51,104 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:51,154 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:50:51,160 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 09:50:51,160 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:270, output treesize:186 [2021-06-06 09:50:51,942 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 101 [2021-06-06 09:50:52,229 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 101 [2021-06-06 09:50:52,349 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_61, v_prenex_65, v_prenex_63, array_4, v_prenex_67], 6=[v_prenex_60, array_0, v_prenex_64, v_prenex_62, v_prenex_66]} [2021-06-06 09:50:52,357 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 43 treesize of output 33 [2021-06-06 09:50:52,359 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:52,365 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 45 treesize of output 35 [2021-06-06 09:50:52,366 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-06 09:50:52,569 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 116 [2021-06-06 09:50:52,569 INFO L628 ElimStorePlain]: treesize reduction 129, result has 72.0 percent of original size [2021-06-06 09:50:52,577 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 38 treesize of output 30 [2021-06-06 09:50:52,579 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:52,584 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 36 treesize of output 28 [2021-06-06 09:50:52,586 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:52,660 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:50:52,667 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 45 treesize of output 35 [2021-06-06 09:50:52,668 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:52,673 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 37 [2021-06-06 09:50:52,674 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:52,734 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:50:52,739 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 45 treesize of output 35 [2021-06-06 09:50:52,740 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2021-06-06 09:50:52,802 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:50:52,807 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 26 treesize of output 20 [2021-06-06 09:50:52,808 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:52,876 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:50:52,881 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:52,881 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:52,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:50:52,882 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:52,886 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:52,886 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 11 treesize of output 3 [2021-06-06 09:50:52,887 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:52,894 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:50:52,950 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:50:52,954 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:52,954 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:52,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:50:52,955 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:52,960 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:52,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:50:52,961 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:52,970 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:50:53,025 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:50:53,029 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:53,029 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:53,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:50:53,030 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:53,033 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:53,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:50:53,034 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:53,088 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:50:53,092 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:53,092 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:53,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:50:53,093 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:53,096 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:53,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:50:53,097 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:53,151 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:50:53,152 INFO L518 ElimStorePlain]: Eliminatee v_prenex_66 vanished before elimination [2021-06-06 09:50:53,154 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 09:50:53,154 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 15 variables, input treesize:493, output treesize:70 [2021-06-06 09:50:53,228 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 09:50:53,228 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1401269901] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:50:53,228 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:50:53,228 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14] total 27 [2021-06-06 09:50:53,228 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405961783] [2021-06-06 09:50:53,229 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-06 09:50:53,229 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:50:53,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-06 09:50:53,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=646, Unknown=0, NotChecked=0, Total=702 [2021-06-06 09:50:53,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:50:53,230 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:50:53,230 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 1.5925925925925926) internal successors, (43), 27 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 09:50:53,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:50:53,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:50:53,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:53,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:53,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:53,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:50:53,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:50:53,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:50:53,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 09:50:53,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:50:53,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:50:53,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:50:53,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:50:53,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:50:53,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 09:50:53,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:50:53,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:50:53,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:50:53,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:50:54,024 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2021-06-06 09:50:54,228 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2021-06-06 09:50:54,486 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 89 [2021-06-06 09:50:54,695 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 127 [2021-06-06 09:50:54,956 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 133 [2021-06-06 09:50:55,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:50:55,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:50:55,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:55,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:55,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:55,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:50:55,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:50:55,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:50:55,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 09:50:55,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:50:55,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:50:55,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:50:55,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:50:55,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:50:55,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 09:50:55,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:50:55,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:50:55,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:50:55,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:50:55,232 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable225,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:50:55,233 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:50:55,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:50:55,233 INFO L82 PathProgramCache]: Analyzing trace with hash -796182684, now seen corresponding path program 14 times [2021-06-06 09:50:55,233 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:50:55,233 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973224627] [2021-06-06 09:50:55,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:50:55,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:50:55,658 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 09:50:55,658 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:50:55,658 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973224627] [2021-06-06 09:50:55,658 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973224627] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:50:55,658 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1352839933] [2021-06-06 09:50:55,659 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 09:50:55,694 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 09:50:55,694 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:50:55,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 40 conjunts are in the unsatisfiable core [2021-06-06 09:50:55,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:50:56,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:50:56,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:50:56,271 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:56,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:50:56,273 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:56,275 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 09:50:56,276 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:56,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:50:56,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:50:56,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:50:56,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:50:56,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:50:56,283 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:56,286 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:56,287 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 48 treesize of output 34 [2021-06-06 09:50:56,288 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:56,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:50:56,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:50:56,294 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:56,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:50:56,298 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:56,299 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 38 treesize of output 26 [2021-06-06 09:50:56,301 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:56,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:50:56,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:50:56,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:50:56,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:50:56,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:50:56,309 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:56,314 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:56,315 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 38 treesize of output 26 [2021-06-06 09:50:56,316 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:56,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:50:56,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:50:56,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:50:56,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:50:56,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:50:56,327 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:56,331 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:56,332 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 09:50:56,334 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:56,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:50:56,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:50:56,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:50:56,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:50:56,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:50:56,342 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:56,342 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 09:50:56,344 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:56,485 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2021-06-06 09:50:56,486 INFO L628 ElimStorePlain]: treesize reduction 2, result has 98.5 percent of original size [2021-06-06 09:50:56,490 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 09:50:56,490 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:325, output treesize:125 [2021-06-06 09:50:56,858 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_75, array_4], 1=[array_0, v_prenex_74]} [2021-06-06 09:50:56,861 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 09:50:56,862 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:56,864 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 09:50:56,865 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:56,897 INFO L628 ElimStorePlain]: treesize reduction 59, result has 43.8 percent of original size [2021-06-06 09:50:56,898 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 09:50:56,900 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-06 09:50:56,915 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:50:56,918 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:56,918 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:56,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:50:56,920 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:56,922 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:50:56,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:50:56,923 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 09:50:56,930 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:50:56,944 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:50:56,944 INFO L518 ElimStorePlain]: Eliminatee v_prenex_74 vanished before elimination [2021-06-06 09:50:56,946 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-06 09:50:56,946 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:119, output treesize:18 [2021-06-06 09:50:56,983 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 09:50:56,983 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1352839933] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:50:56,984 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:50:56,984 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 30 [2021-06-06 09:50:56,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321014588] [2021-06-06 09:50:56,984 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-06 09:50:56,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:50:56,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-06 09:50:56,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=787, Unknown=0, NotChecked=0, Total=870 [2021-06-06 09:50:56,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:50:56,985 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:50:56,985 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 1.5) internal successors, (45), 30 states have internal predecessors, (45), 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 09:50:56,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:50:56,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:50:56,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:56,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:56,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:50:56,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:50:56,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:50:56,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:50:56,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 09:50:56,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:50:56,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:50:56,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:50:56,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:50:56,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:50:56,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 09:50:56,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:50:56,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:50:56,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:50:56,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:50:56,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:50:58,905 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 45 [2021-06-06 09:50:59,135 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 81 [2021-06-06 09:50:59,355 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 81 [2021-06-06 09:50:59,594 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 81 [2021-06-06 09:50:59,886 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 76 [2021-06-06 09:51:00,133 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 67 [2021-06-06 09:51:00,408 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 72 [2021-06-06 09:51:00,672 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 72 [2021-06-06 09:51:00,928 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 72 [2021-06-06 09:51:01,198 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 74 [2021-06-06 09:51:01,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:51:01,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:51:01,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:01,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:01,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:01,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:51:01,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:01,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:51:01,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 09:51:01,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:51:01,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:01,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:51:01,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:01,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:01,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 09:51:01,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:01,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:01,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:51:01,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:51:01,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:51:01,451 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable277 [2021-06-06 09:51:01,451 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:51:01,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:51:01,451 INFO L82 PathProgramCache]: Analyzing trace with hash 1745692306, now seen corresponding path program 15 times [2021-06-06 09:51:01,451 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:51:01,451 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531130771] [2021-06-06 09:51:01,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:51:01,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:51:01,714 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 09:51:01,715 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:51:01,715 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531130771] [2021-06-06 09:51:01,715 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531130771] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:51:01,715 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1724737202] [2021-06-06 09:51:01,715 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 09:51:01,761 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-06 09:51:01,762 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:51:01,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 32 conjunts are in the unsatisfiable core [2021-06-06 09:51:01,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:51:01,965 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:01,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:51:01,966 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:01,968 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 09:51:01,969 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:01,972 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:01,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:51:01,973 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:01,975 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 09:51:01,975 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:01,977 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 09:51:01,978 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:01,980 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 09:51:01,981 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:02,008 INFO L628 ElimStorePlain]: treesize reduction 14, result has 69.6 percent of original size [2021-06-06 09:51:02,008 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-06 09:51:02,009 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:107, output treesize:32 [2021-06-06 09:51:02,158 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:02,158 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 16 treesize of output 12 [2021-06-06 09:51:02,159 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:02,180 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:02,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:51:02,182 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:02,183 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 09:51:02,184 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:02,186 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 09:51:02,186 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:02,201 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-06-06 09:51:02,201 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 09:51:02,201 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 09:51:02,201 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-06 09:51:02,234 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 09:51:02,234 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1724737202] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:51:02,234 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:51:02,234 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 31 [2021-06-06 09:51:02,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160783492] [2021-06-06 09:51:02,235 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-06 09:51:02,235 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:51:02,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-06 09:51:02,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=857, Unknown=0, NotChecked=0, Total=930 [2021-06-06 09:51:02,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:51:02,236 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:51:02,236 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 09:51:02,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:51:02,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:51:02,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:02,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:02,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:02,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:51:02,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:02,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:51:02,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 09:51:02,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:51:02,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:02,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:51:02,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:02,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:02,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 09:51:02,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:02,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:02,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:51:02,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 09:51:02,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:51:02,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:51:04,685 WARN L205 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 164 [2021-06-06 09:51:05,336 WARN L205 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 230 [2021-06-06 09:51:05,933 WARN L205 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 230 [2021-06-06 09:51:06,266 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 148 [2021-06-06 09:51:06,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:51:06,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:51:06,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:06,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:06,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:06,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:51:06,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:06,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:51:06,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 09:51:06,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:51:06,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:06,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:51:06,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:06,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:06,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 09:51:06,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:06,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:06,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:51:06,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:51:06,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:51:06,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:51:06,558 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable295,22 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:51:06,559 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:51:06,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:51:06,559 INFO L82 PathProgramCache]: Analyzing trace with hash 1169840754, now seen corresponding path program 16 times [2021-06-06 09:51:06,559 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:51:06,559 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295596071] [2021-06-06 09:51:06,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:51:06,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:51:06,898 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 09:51:06,898 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:51:06,898 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295596071] [2021-06-06 09:51:06,898 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295596071] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:51:06,898 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1575340924] [2021-06-06 09:51:06,898 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 09:51:06,935 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 09:51:06,935 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:51:06,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 41 conjunts are in the unsatisfiable core [2021-06-06 09:51:06,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:51:07,251 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 31 treesize of output 23 [2021-06-06 09:51:07,252 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:07,257 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 29 treesize of output 21 [2021-06-06 09:51:07,258 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:07,263 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 29 [2021-06-06 09:51:07,264 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:07,269 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 29 treesize of output 21 [2021-06-06 09:51:07,270 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:07,277 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 41 treesize of output 31 [2021-06-06 09:51:07,279 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2021-06-06 09:51:07,286 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 29 [2021-06-06 09:51:07,287 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:07,291 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 31 treesize of output 23 [2021-06-06 09:51:07,293 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:07,352 INFO L628 ElimStorePlain]: treesize reduction 28, result has 77.2 percent of original size [2021-06-06 09:51:07,353 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-06-06 09:51:07,353 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 1 variables, input treesize:256, output treesize:95 [2021-06-06 09:51:07,619 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:07,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:51:07,622 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:07,626 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:07,626 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 25 treesize of output 19 [2021-06-06 09:51:07,627 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:07,631 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:07,632 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 15 treesize of output 11 [2021-06-06 09:51:07,632 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:07,636 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:07,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:51:07,637 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:07,640 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 09:51:07,641 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:07,644 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 09:51:07,645 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:07,648 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:07,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:51:07,649 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:07,652 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 09:51:07,653 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:07,657 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:07,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:51:07,659 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:07,662 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 09:51:07,662 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:07,665 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:07,666 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:51:07,667 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:07,669 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 09:51:07,670 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:07,723 INFO L628 ElimStorePlain]: treesize reduction 68, result has 47.7 percent of original size [2021-06-06 09:51:07,726 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:07,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:51:07,727 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:07,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:51:07,730 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:07,746 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:51:07,747 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2021-06-06 09:51:07,747 INFO L247 ElimStorePlain]: Needed 15 recursive calls to eliminate 2 variables, input treesize:333, output treesize:46 [2021-06-06 09:51:07,838 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 09:51:07,838 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1575340924] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:51:07,838 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:51:07,839 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 31 [2021-06-06 09:51:07,839 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176085771] [2021-06-06 09:51:07,839 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-06 09:51:07,839 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:51:07,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-06 09:51:07,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=863, Unknown=0, NotChecked=0, Total=930 [2021-06-06 09:51:07,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:51:07,840 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:51:07,840 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 09:51:07,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:51:07,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:51:07,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:07,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:07,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:07,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:51:07,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:07,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:51:07,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 09:51:07,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:51:07,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:07,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:51:07,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:07,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:07,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 09:51:07,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:07,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:07,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:51:07,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:51:07,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:51:07,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:51:07,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:51:08,641 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 59 [2021-06-06 09:51:08,827 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 65 [2021-06-06 09:51:09,029 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 71 [2021-06-06 09:51:09,312 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 75 [2021-06-06 09:51:09,520 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 74 [2021-06-06 09:51:09,736 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 74 [2021-06-06 09:51:10,014 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2021-06-06 09:51:10,363 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 100 [2021-06-06 09:51:10,813 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 145 [2021-06-06 09:51:11,272 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2021-06-06 09:51:11,778 WARN L205 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 217 [2021-06-06 09:51:12,217 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2021-06-06 09:51:12,693 WARN L205 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 217 [2021-06-06 09:51:12,963 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 142 [2021-06-06 09:51:13,351 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 64 [2021-06-06 09:51:13,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:51:13,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:51:13,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:13,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:13,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:13,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:51:13,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:13,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:51:13,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 09:51:13,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:51:13,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:13,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:51:13,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:13,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:13,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 09:51:13,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:13,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:51:13,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:51:13,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:13,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:51:13,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:51:13,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:51:13,824 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable302,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:51:13,825 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:51:13,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:51:13,825 INFO L82 PathProgramCache]: Analyzing trace with hash 1973465956, now seen corresponding path program 17 times [2021-06-06 09:51:13,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:51:13,825 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495124355] [2021-06-06 09:51:13,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:51:13,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:51:13,966 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 09:51:13,967 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:51:13,967 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495124355] [2021-06-06 09:51:13,967 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495124355] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:51:13,967 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1955864319] [2021-06-06 09:51:13,967 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 09:51:14,002 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-06 09:51:14,002 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:51:14,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 26 conjunts are in the unsatisfiable core [2021-06-06 09:51:14,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:51:14,061 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 09:51:14,062 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:14,063 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 09:51:14,064 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:14,077 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:51:14,077 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 09:51:14,077 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:51, output treesize:37 [2021-06-06 09:51:14,165 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:14,165 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 09:51:14,166 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:14,168 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 09:51:14,170 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:14,172 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 09:51:14,173 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:14,175 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 17 treesize of output 13 [2021-06-06 09:51:14,176 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:14,197 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-06-06 09:51:14,197 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 09:51:14,197 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 09:51:14,197 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-06 09:51:14,222 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 09:51:14,222 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1955864319] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:51:14,222 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:51:14,222 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 18 [2021-06-06 09:51:14,222 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484332014] [2021-06-06 09:51:14,222 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-06 09:51:14,222 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:51:14,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-06 09:51:14,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2021-06-06 09:51:14,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:51:14,223 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:51:14,223 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.6666666666666667) internal successors, (30), 18 states have internal predecessors, (30), 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 09:51:14,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:51:14,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:51:14,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:14,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:14,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:14,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:51:14,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:14,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:51:14,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 09:51:14,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:51:14,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:14,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:51:14,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:14,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:14,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 09:51:14,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:14,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:51:14,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:51:14,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:14,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:51:14,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:51:14,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:51:14,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:51:14,993 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 59 [2021-06-06 09:51:15,162 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 66 [2021-06-06 09:51:15,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:51:15,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:51:15,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:15,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:15,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:15,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:51:15,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:15,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:51:15,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 09:51:15,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:51:15,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:15,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:51:15,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:15,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:15,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 09:51:15,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:15,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:51:15,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:51:15,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:15,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:51:15,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:51:15,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:51:15,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:51:15,829 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable323 [2021-06-06 09:51:15,829 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:51:15,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:51:15,830 INFO L82 PathProgramCache]: Analyzing trace with hash 1340861490, now seen corresponding path program 18 times [2021-06-06 09:51:15,830 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:51:15,830 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443904159] [2021-06-06 09:51:15,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:51:15,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:51:15,941 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:51:15,941 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:51:15,941 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443904159] [2021-06-06 09:51:15,941 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443904159] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:51:15,941 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1977557361] [2021-06-06 09:51:15,941 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 09:51:15,972 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-06-06 09:51:15,972 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:51:15,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 21 conjunts are in the unsatisfiable core [2021-06-06 09:51:15,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:51:16,028 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:16,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:51:16,029 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:16,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:51:16,032 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:16,047 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:51:16,048 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 09:51:16,048 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-06-06 09:51:16,115 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 09:51:16,116 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:16,118 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 09:51:16,119 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:16,121 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:16,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:51:16,122 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:16,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 09:51:16,125 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:16,142 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-06-06 09:51:16,142 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 09:51:16,143 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 09:51:16,143 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-06 09:51:16,164 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:51:16,164 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1977557361] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:51:16,164 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:51:16,164 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 15 [2021-06-06 09:51:16,164 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862345809] [2021-06-06 09:51:16,165 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-06 09:51:16,165 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:51:16,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-06 09:51:16,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-06-06 09:51:16,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:51:16,165 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:51:16,165 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.8) internal successors, (27), 15 states have internal predecessors, (27), 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 09:51:16,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:51:16,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:51:16,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:16,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:16,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:16,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:51:16,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:16,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:51:16,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 09:51:16,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:51:16,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:16,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:51:16,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:16,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:16,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 09:51:16,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:16,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:51:16,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:51:16,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:16,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:51:16,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:51:16,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:51:16,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:51:16,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:51:17,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:51:17,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:51:17,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:17,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:17,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:17,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:51:17,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:17,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:51:17,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:51:17,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:51:17,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:17,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:51:17,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:17,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:17,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:51:17,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:17,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:51:17,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:51:17,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:17,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:51:17,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:51:17,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:51:17,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:51:17,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:51:17,504 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable329,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:51:17,504 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:51:17,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:51:17,504 INFO L82 PathProgramCache]: Analyzing trace with hash 542626298, now seen corresponding path program 19 times [2021-06-06 09:51:17,504 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:51:17,504 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076024494] [2021-06-06 09:51:17,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:51:17,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:51:17,726 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 09:51:17,727 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:51:17,727 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076024494] [2021-06-06 09:51:17,727 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076024494] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:51:17,727 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1196502974] [2021-06-06 09:51:17,727 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 09:51:17,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:51:17,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 40 conjunts are in the unsatisfiable core [2021-06-06 09:51:17,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:51:17,865 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 09:51:17,866 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:17,868 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 09:51:17,869 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:17,878 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:51:17,879 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 09:51:17,879 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:39, output treesize:25 [2021-06-06 09:51:18,049 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:18,051 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 09:51:18,053 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-06 09:51:18,057 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:18,059 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 09:51:18,060 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:18,063 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:18,065 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 29 [2021-06-06 09:51:18,066 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:18,069 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 29 treesize of output 21 [2021-06-06 09:51:18,070 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:18,113 INFO L628 ElimStorePlain]: treesize reduction 55, result has 52.2 percent of original size [2021-06-06 09:51:18,115 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:18,116 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 11 treesize of output 3 [2021-06-06 09:51:18,116 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:18,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:51:18,119 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:18,126 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:51:18,144 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:51:18,145 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 09:51:18,145 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:181, output treesize:38 [2021-06-06 09:51:18,226 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 09:51:18,226 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1196502974] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:51:18,226 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:51:18,226 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 23 [2021-06-06 09:51:18,227 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057106808] [2021-06-06 09:51:18,227 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-06 09:51:18,227 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:51:18,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-06 09:51:18,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=450, Unknown=0, NotChecked=0, Total=506 [2021-06-06 09:51:18,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:51:18,227 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:51:18,227 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 09:51:18,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:51:18,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:51:18,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:18,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:18,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:18,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:51:18,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:18,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:51:18,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:51:18,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:51:18,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:18,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:51:18,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:18,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:18,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:51:18,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:18,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:51:18,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:51:18,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:18,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:51:18,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:51:18,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:51:18,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:51:18,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:51:18,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:51:18,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:51:18,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:51:18,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:18,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:18,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:18,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:51:18,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:18,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:51:18,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:51:18,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:51:18,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:18,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:51:18,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:18,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:18,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:51:18,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:18,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:51:18,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:51:18,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:18,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:51:18,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:51:18,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:51:18,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:51:18,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:51:18,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:51:18,952 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable335 [2021-06-06 09:51:18,952 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:51:18,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:51:18,952 INFO L82 PathProgramCache]: Analyzing trace with hash -1666925650, now seen corresponding path program 20 times [2021-06-06 09:51:18,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:51:18,953 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787243692] [2021-06-06 09:51:18,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:51:18,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:51:19,174 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 09:51:19,174 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:51:19,174 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787243692] [2021-06-06 09:51:19,174 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787243692] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:51:19,174 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [576754236] [2021-06-06 09:51:19,174 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 09:51:19,220 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 09:51:19,221 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:51:19,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 32 conjunts are in the unsatisfiable core [2021-06-06 09:51:19,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:51:19,295 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 09:51:19,296 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:19,298 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 09:51:19,299 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:19,311 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:51:19,312 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 09:51:19,312 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-06-06 09:51:19,415 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:19,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 09:51:19,416 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:19,418 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 16 treesize of output 12 [2021-06-06 09:51:19,419 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:19,433 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-06 09:51:19,433 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 09:51:19,434 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 09:51:19,434 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-06 09:51:19,458 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 09:51:19,458 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [576754236] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:51:19,458 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:51:19,458 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 22 [2021-06-06 09:51:19,458 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517928584] [2021-06-06 09:51:19,458 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-06 09:51:19,458 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:51:19,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-06 09:51:19,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2021-06-06 09:51:19,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:51:19,459 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:51:19,459 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 22 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 09:51:19,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:51:19,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:51:19,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:19,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:19,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:19,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:51:19,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:19,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:51:19,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:51:19,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:51:19,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:19,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:51:19,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:19,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:19,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:51:19,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:19,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:51:19,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:51:19,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:19,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:51:19,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:51:19,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:51:19,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:51:19,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:51:19,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:51:19,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:51:19,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:51:19,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:51:19,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:19,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:19,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:19,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:51:19,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:19,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:51:19,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:51:19,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:51:19,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:19,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:51:19,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:19,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:19,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:51:19,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:19,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:51:19,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:51:19,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:19,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:51:19,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:51:19,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:51:19,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:51:19,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:51:19,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:51:19,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:51:20,174 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable346,27 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:51:20,174 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:51:20,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:51:20,175 INFO L82 PathProgramCache]: Analyzing trace with hash 522464136, now seen corresponding path program 21 times [2021-06-06 09:51:20,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:51:20,175 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588521617] [2021-06-06 09:51:20,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:51:20,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:51:20,673 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 09:51:20,673 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:51:20,673 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588521617] [2021-06-06 09:51:20,673 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588521617] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:51:20,673 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1408856300] [2021-06-06 09:51:20,673 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 09:51:20,725 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-06 09:51:20,726 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:51:20,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 59 conjunts are in the unsatisfiable core [2021-06-06 09:51:20,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:51:21,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:21,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:21,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:21,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:21,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:21,431 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:21,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:21,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:21,436 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:21,437 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 09:51:21,439 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-06 09:51:21,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:21,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:21,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:21,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:21,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:21,445 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:21,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:21,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:21,447 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 09:51:21,449 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:21,498 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:51:21,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:21,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:21,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:21,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:21,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:21,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:21,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:21,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:21,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:21,508 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:21,527 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:21,528 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 09:51:21,530 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:21,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:21,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:21,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:21,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:21,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:21,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:21,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:21,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:21,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:21,540 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:21,540 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 09:51:21,542 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:21,574 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:51:21,578 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 09:51:21,579 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:255, output treesize:111 [2021-06-06 09:51:22,180 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2021-06-06 09:51:22,451 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-06-06 09:51:22,840 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-06-06 09:51:22,934 INFO L446 ElimStorePlain]: Different costs {10=[array_4], 91=[array_0]} [2021-06-06 09:51:22,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:22,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:22,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:22,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:22,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:22,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:22,948 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:22,949 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 68 treesize of output 48 [2021-06-06 09:51:22,952 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-06-06 09:51:22,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:22,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:22,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:22,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:22,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:22,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:22,965 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:22,967 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 09:51:22,968 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:22,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:22,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:22,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:22,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:22,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:22,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:22,983 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:22,985 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 09:51:22,986 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:23,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:23,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:23,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:23,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:23,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:23,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:23,017 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:23,020 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 09:51:23,023 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-06-06 09:51:23,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:23,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:23,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:23,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:23,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:23,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:23,041 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:23,043 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 51 treesize of output 35 [2021-06-06 09:51:23,044 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:23,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:23,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:23,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:23,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:23,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:23,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:23,059 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:23,061 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 09:51:23,063 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:23,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:23,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:23,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:23,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:23,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:23,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:23,077 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:23,080 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 09:51:23,081 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:23,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:23,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:23,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:23,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:23,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:23,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:23,098 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:23,100 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 61 treesize of output 43 [2021-06-06 09:51:23,102 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2021-06-06 09:51:23,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:23,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:23,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:23,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:23,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:23,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:23,116 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:23,118 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 70 treesize of output 50 [2021-06-06 09:51:23,121 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 2 xjuncts. [2021-06-06 09:51:23,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:23,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:23,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:23,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:23,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:23,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:23,134 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 09:51:23,136 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:23,380 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 99 [2021-06-06 09:51:23,380 INFO L628 ElimStorePlain]: treesize reduction 154, result has 70.3 percent of original size [2021-06-06 09:51:23,386 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:23,386 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:23,387 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 9 treesize of output 3 [2021-06-06 09:51:23,387 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:23,393 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:23,393 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:23,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:51:23,394 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:23,399 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:23,399 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:23,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 19 [2021-06-06 09:51:23,400 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:23,405 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:23,405 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:23,405 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 24 treesize of output 9 [2021-06-06 09:51:23,406 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:23,419 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:51:23,424 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:23,424 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:23,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:51:23,425 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:23,432 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:23,432 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:23,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:51:23,433 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:23,442 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:51:23,446 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:23,447 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:23,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:51:23,448 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:23,452 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:23,453 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:23,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:51:23,454 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:23,462 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:51:23,467 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:23,467 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:23,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:51:23,468 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:23,484 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:23,484 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:23,485 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 23 treesize of output 11 [2021-06-06 09:51:23,486 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:23,491 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:23,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:51:23,493 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:23,502 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:51:23,603 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-06-06 09:51:23,603 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:51:23,608 INFO L550 ElimStorePlain]: Start of recursive call 1: 10 dim-0 vars, 2 dim-1 vars, End of recursive call: and 8 xjuncts. [2021-06-06 09:51:23,608 INFO L247 ElimStorePlain]: Needed 22 recursive calls to eliminate 12 variables, input treesize:749, output treesize:185 [2021-06-06 09:51:23,813 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2021-06-06 09:51:23,905 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 09:51:23,905 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1408856300] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:51:23,905 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:51:23,905 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18] total 34 [2021-06-06 09:51:23,906 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524793698] [2021-06-06 09:51:23,906 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-06-06 09:51:23,906 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:51:23,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-06-06 09:51:23,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=1043, Unknown=0, NotChecked=0, Total=1122 [2021-06-06 09:51:23,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:51:23,907 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:51:23,907 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 34 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 09:51:23,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:51:23,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:51:23,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:23,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:23,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:23,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:51:23,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:23,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:51:23,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:51:23,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:51:23,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:23,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:51:23,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:23,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:23,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:51:23,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:23,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:51:23,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:51:23,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:23,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:51:23,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:51:23,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:51:23,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:51:23,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:51:23,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:51:23,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:51:23,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:51:25,279 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 101 [2021-06-06 09:51:25,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:51:25,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:51:25,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:25,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:25,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:25,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:51:25,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:25,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:51:25,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:51:25,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:51:25,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:25,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:51:25,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:25,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:25,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:51:25,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:25,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:51:25,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:51:25,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:25,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:51:25,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:51:25,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:51:25,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:51:25,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:51:25,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:51:25,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:51:25,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:51:25,606 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable349 [2021-06-06 09:51:25,607 INFO L430 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:51:25,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:51:25,607 INFO L82 PathProgramCache]: Analyzing trace with hash -1143113668, now seen corresponding path program 22 times [2021-06-06 09:51:25,607 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:51:25,607 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076817598] [2021-06-06 09:51:25,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:51:25,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:51:26,000 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 09:51:26,001 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:51:26,001 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076817598] [2021-06-06 09:51:26,001 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076817598] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:51:26,001 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1283393491] [2021-06-06 09:51:26,001 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 09:51:26,043 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 09:51:26,043 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:51:26,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 49 conjunts are in the unsatisfiable core [2021-06-06 09:51:26,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:51:26,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:26,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:26,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:26,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:26,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:26,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:26,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:26,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:26,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:26,934 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:26,942 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:26,944 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 49 treesize of output 33 [2021-06-06 09:51:26,946 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:26,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:26,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:26,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:26,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:26,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:26,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:26,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:26,956 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:26,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:26,964 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:26,965 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 59 treesize of output 41 [2021-06-06 09:51:26,967 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:26,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:26,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:26,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:26,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:26,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:26,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:26,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:26,978 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:26,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:26,985 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:26,986 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 09:51:26,988 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:26,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:26,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:26,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:26,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:26,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:26,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:26,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:26,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:27,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:27,000 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:27,008 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:27,009 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 09:51:27,011 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:27,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:27,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:27,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:27,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:27,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:27,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:27,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:27,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:27,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:27,022 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:27,030 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:27,031 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 09:51:27,032 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:27,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:27,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:27,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:27,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:27,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:27,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:27,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:27,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:27,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:27,043 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:27,043 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 49 treesize of output 33 [2021-06-06 09:51:27,044 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:27,148 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2021-06-06 09:51:27,148 INFO L628 ElimStorePlain]: treesize reduction 2, result has 98.6 percent of original size [2021-06-06 09:51:27,153 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 09:51:27,153 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:397, output treesize:131 [2021-06-06 09:51:27,637 INFO L446 ElimStorePlain]: Different costs {0=[array_4, v_prenex_100], 1=[array_0, v_prenex_99]} [2021-06-06 09:51:27,640 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 09:51:27,641 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:27,643 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 09:51:27,644 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:27,677 INFO L628 ElimStorePlain]: treesize reduction 61, result has 44.0 percent of original size [2021-06-06 09:51:27,679 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 09:51:27,680 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-06 09:51:27,697 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:51:27,697 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-06-06 09:51:27,699 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:27,699 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:27,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:51:27,700 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:27,702 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:27,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:51:27,703 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:27,710 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:51:27,724 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:51:27,726 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-06 09:51:27,726 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:123, output treesize:23 [2021-06-06 09:51:27,808 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 09:51:27,808 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1283393491] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:51:27,808 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:51:27,808 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19] total 36 [2021-06-06 09:51:27,809 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137743013] [2021-06-06 09:51:27,809 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-06-06 09:51:27,809 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:51:27,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-06-06 09:51:27,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1174, Unknown=0, NotChecked=0, Total=1260 [2021-06-06 09:51:27,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:51:27,810 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:51:27,810 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 09:51:27,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:51:27,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:51:27,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:27,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:27,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:27,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:51:27,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:27,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:51:27,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:51:27,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:51:27,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:27,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:51:27,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:27,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:27,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:51:27,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:27,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:51:27,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:51:27,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:27,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:51:27,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:51:27,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:51:27,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:51:27,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:51:27,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:51:27,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:51:27,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:51:27,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:51:28,897 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 107 [2021-06-06 09:51:29,099 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2021-06-06 09:51:29,318 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 101 [2021-06-06 09:51:29,563 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 109 [2021-06-06 09:51:29,846 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 94 [2021-06-06 09:51:30,095 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2021-06-06 09:51:30,423 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 95 [2021-06-06 09:51:30,706 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 95 [2021-06-06 09:51:30,984 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 94 [2021-06-06 09:51:31,261 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 95 [2021-06-06 09:51:31,582 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 111 [2021-06-06 09:51:31,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:51:31,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:51:31,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:31,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:31,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:31,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:51:31,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:31,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:51:31,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:51:31,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:51:31,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:31,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:51:31,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:31,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:31,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:51:31,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:31,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:51:31,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:51:31,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:31,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:51:31,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:51:31,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:51:31,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:51:31,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:51:31,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:51:31,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:51:31,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:51:31,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:51:31,864 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable380,29 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:51:31,865 INFO L430 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:51:31,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:51:31,865 INFO L82 PathProgramCache]: Analyzing trace with hash -419233606, now seen corresponding path program 23 times [2021-06-06 09:51:31,865 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:51:31,865 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239000266] [2021-06-06 09:51:31,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:51:31,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:51:32,214 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 09:51:32,214 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:51:32,214 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239000266] [2021-06-06 09:51:32,214 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239000266] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:51:32,214 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [532021061] [2021-06-06 09:51:32,214 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 09:51:32,262 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-06 09:51:32,262 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:51:32,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 38 conjunts are in the unsatisfiable core [2021-06-06 09:51:32,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:51:32,527 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:32,527 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 17 treesize of output 13 [2021-06-06 09:51:32,528 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:32,530 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:32,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:51:32,531 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:32,533 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 09:51:32,534 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:32,536 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 09:51:32,536 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:32,538 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 09:51:32,539 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:32,541 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 7 treesize of output 5 [2021-06-06 09:51:32,542 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:32,567 INFO L628 ElimStorePlain]: treesize reduction 6, result has 84.2 percent of original size [2021-06-06 09:51:32,568 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-06 09:51:32,568 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:107, output treesize:32 [2021-06-06 09:51:32,767 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:32,768 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 16 treesize of output 12 [2021-06-06 09:51:32,769 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:32,771 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 09:51:32,772 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:32,775 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 09:51:32,776 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:32,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:51:32,779 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:32,797 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-06-06 09:51:32,797 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 09:51:32,798 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 09:51:32,798 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-06 09:51:32,847 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 09:51:32,847 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [532021061] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:51:32,847 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:51:32,847 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19] total 37 [2021-06-06 09:51:32,847 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943544610] [2021-06-06 09:51:32,847 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-06 09:51:32,847 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:51:32,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-06 09:51:32,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=1243, Unknown=0, NotChecked=0, Total=1332 [2021-06-06 09:51:32,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:51:32,848 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:51:32,848 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 1.4594594594594594) internal successors, (54), 37 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 09:51:32,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:51:32,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:51:32,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:32,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:32,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:32,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:51:32,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:32,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:51:32,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:51:32,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:51:32,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:32,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:51:32,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:32,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:32,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:51:32,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:32,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:51:32,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:51:32,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:32,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:51:32,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:51:32,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:51:32,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:51:32,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:51:32,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:51:32,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:51:32,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:51:32,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:51:32,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:51:35,834 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 105 [2021-06-06 09:51:36,370 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 150 [2021-06-06 09:51:37,222 WARN L205 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 127 [2021-06-06 09:51:37,867 WARN L205 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 131 [2021-06-06 09:51:38,290 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 138 [2021-06-06 09:51:38,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:51:38,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:51:38,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:38,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:38,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:38,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:51:38,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:38,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:51:38,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:51:38,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:51:38,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:38,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:51:38,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:38,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:38,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:51:38,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:38,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:51:38,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:51:38,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:38,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:51:38,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:51:38,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:51:38,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:51:38,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:51:38,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:51:38,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:51:38,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:51:38,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:51:38,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:51:38,596 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable399 [2021-06-06 09:51:38,596 INFO L430 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:51:38,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:51:38,596 INFO L82 PathProgramCache]: Analyzing trace with hash -325929234, now seen corresponding path program 24 times [2021-06-06 09:51:38,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:51:38,596 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559639006] [2021-06-06 09:51:38,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:51:38,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:51:38,969 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 09:51:38,969 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:51:38,969 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559639006] [2021-06-06 09:51:38,969 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559639006] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:51:38,969 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1967573594] [2021-06-06 09:51:38,969 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 09:51:39,011 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-06 09:51:39,011 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:51:39,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 49 conjunts are in the unsatisfiable core [2021-06-06 09:51:39,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:51:39,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:39,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:39,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:39,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:39,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:39,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:39,253 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 58 treesize of output 40 [2021-06-06 09:51:39,255 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:39,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:39,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:39,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:39,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:39,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:39,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:39,265 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 32 [2021-06-06 09:51:39,267 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:39,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:39,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:39,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:39,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:39,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:39,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:39,277 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 60 treesize of output 42 [2021-06-06 09:51:39,293 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-06 09:51:39,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:39,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:39,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:39,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:39,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:39,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:39,299 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 50 treesize of output 34 [2021-06-06 09:51:39,301 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:39,336 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:51:39,337 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-06 09:51:39,337 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:251, output treesize:107 [2021-06-06 09:51:39,700 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:39,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:51:39,701 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:39,704 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:39,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:51:39,705 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:39,708 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:39,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:51:39,709 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:39,712 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 09:51:39,713 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:39,716 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:39,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:51:39,717 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:39,720 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:39,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:51:39,721 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:39,723 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 09:51:39,724 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:39,727 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:39,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:51:39,728 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:39,731 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:39,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:51:39,732 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:39,735 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:39,735 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:51:39,736 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:39,739 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 09:51:39,739 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:39,741 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 09:51:39,742 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:39,745 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:39,745 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 25 treesize of output 19 [2021-06-06 09:51:39,746 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:39,748 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 09:51:39,748 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:39,799 INFO L628 ElimStorePlain]: treesize reduction 83, result has 42.8 percent of original size [2021-06-06 09:51:39,801 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:39,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:51:39,802 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:39,804 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 20 treesize of output 9 [2021-06-06 09:51:39,805 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:39,822 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:51:39,823 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2021-06-06 09:51:39,823 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 2 variables, input treesize:377, output treesize:46 [2021-06-06 09:51:39,916 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 09:51:39,916 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1967573594] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:51:39,916 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:51:39,917 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19] total 31 [2021-06-06 09:51:39,917 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972386344] [2021-06-06 09:51:39,917 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-06 09:51:39,917 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:51:39,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-06 09:51:39,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=844, Unknown=0, NotChecked=0, Total=930 [2021-06-06 09:51:39,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:51:39,918 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:51:39,918 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 09:51:39,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:51:39,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:51:39,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:39,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:39,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:39,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:51:39,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:39,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:51:39,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:51:39,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:51:39,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:39,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:51:39,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:39,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:39,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:51:39,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:39,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:51:39,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:51:39,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:39,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:51:39,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:51:39,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:51:39,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:51:39,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:51:39,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:51:39,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:51:39,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:51:39,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:51:39,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:51:39,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:51:40,631 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 86 [2021-06-06 09:51:41,290 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 86 [2021-06-06 09:51:41,952 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 86 [2021-06-06 09:51:43,075 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2021-06-06 09:51:43,281 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 66 [2021-06-06 09:51:43,466 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2021-06-06 09:51:43,668 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2021-06-06 09:51:43,844 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2021-06-06 09:51:44,065 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 76 [2021-06-06 09:51:44,357 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 112 [2021-06-06 09:51:45,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:51:45,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:51:45,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:45,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:45,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:45,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:51:45,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:45,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:51:45,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:51:45,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:51:45,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:45,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:51:45,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:45,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:45,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:51:45,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:45,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:51:45,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:51:45,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:45,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:51:45,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:51:45,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:51:45,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:51:45,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:51:45,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:51:45,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:51:45,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:51:45,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:51:45,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:51:45,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-06 09:51:45,274 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable407,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:51:45,274 INFO L430 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:51:45,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:51:45,274 INFO L82 PathProgramCache]: Analyzing trace with hash 299097788, now seen corresponding path program 25 times [2021-06-06 09:51:45,274 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:51:45,274 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056760573] [2021-06-06 09:51:45,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:51:45,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:51:45,443 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 09:51:45,443 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:51:45,443 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056760573] [2021-06-06 09:51:45,443 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056760573] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:51:45,443 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [573830426] [2021-06-06 09:51:45,443 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 09:51:45,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:51:45,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 32 conjunts are in the unsatisfiable core [2021-06-06 09:51:45,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:51:45,546 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:45,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:51:45,547 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:45,549 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 15 treesize of output 11 [2021-06-06 09:51:45,550 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:45,562 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:51:45,563 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 09:51:45,563 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-06-06 09:51:45,662 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:45,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:51:45,663 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:45,665 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:45,666 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:51:45,667 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:45,668 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 09:51:45,669 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:45,671 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 09:51:45,671 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:45,686 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-06-06 09:51:45,686 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 09:51:45,686 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 09:51:45,686 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-06 09:51:45,712 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 09:51:45,712 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [573830426] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:51:45,712 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:51:45,712 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 22 [2021-06-06 09:51:45,712 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702173661] [2021-06-06 09:51:45,713 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-06 09:51:45,713 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:51:45,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-06 09:51:45,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2021-06-06 09:51:45,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:51:45,713 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:51:45,713 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 22 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 09:51:45,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:51:45,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:51:45,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:45,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:45,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:45,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:51:45,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:45,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:51:45,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:51:45,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:51:45,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:45,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:51:45,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:45,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:45,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:51:45,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:45,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:51:45,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:51:45,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:45,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:51:45,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:51:45,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:51:45,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:51:45,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:51:45,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:51:45,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:51:45,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:51:45,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:51:45,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:51:45,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-06 09:51:45,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:51:47,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:51:47,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:51:47,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:47,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:47,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:47,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:51:47,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:47,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:51:47,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:51:47,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:51:47,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:47,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:51:47,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:47,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:47,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:51:47,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:47,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:51:47,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:51:47,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:47,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:51:47,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:51:47,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:51:47,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:51:47,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:51:47,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:51:47,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:51:47,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:51:47,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:51:47,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:51:47,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 09:51:47,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:51:48,168 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable425 [2021-06-06 09:51:48,169 INFO L430 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:51:48,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:51:48,169 INFO L82 PathProgramCache]: Analyzing trace with hash 1257096530, now seen corresponding path program 26 times [2021-06-06 09:51:48,169 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:51:48,169 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474428984] [2021-06-06 09:51:48,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:51:48,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:51:48,545 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 09:51:48,545 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:51:48,545 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474428984] [2021-06-06 09:51:48,545 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474428984] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:51:48,545 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1364574262] [2021-06-06 09:51:48,545 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 09:51:48,584 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 09:51:48,584 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:51:48,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 49 conjunts are in the unsatisfiable core [2021-06-06 09:51:48,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:51:48,805 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:48,805 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:48,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:51:48,806 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:48,808 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:48,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:51:48,809 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:48,822 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:51:48,824 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 09:51:48,824 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:51, output treesize:37 [2021-06-06 09:51:49,367 INFO L446 ElimStorePlain]: Different costs {10=[array_4], 15=[array_0]} [2021-06-06 09:51:49,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:49,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:49,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:49,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:49,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:49,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:49,392 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:49,394 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 09:51:49,397 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:49,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:49,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:49,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:49,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:49,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:49,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:49,410 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:49,412 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 09:51:49,414 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:49,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:49,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:49,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:49,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:49,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:49,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:49,427 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:49,429 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 09:51:49,431 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:49,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:49,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:49,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:49,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:49,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:49,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:49,437 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 09:51:49,439 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-06-06 09:51:49,520 INFO L628 ElimStorePlain]: treesize reduction 38, result has 72.7 percent of original size [2021-06-06 09:51:49,527 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:49,527 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:49,527 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 11 treesize of output 3 [2021-06-06 09:51:49,528 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:49,531 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:49,531 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:49,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:51:49,532 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:49,539 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:51:49,542 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:49,543 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 9 treesize of output 3 [2021-06-06 09:51:49,543 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:49,578 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:51:49,579 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-06 09:51:49,579 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 4 variables, input treesize:281, output treesize:55 [2021-06-06 09:51:49,685 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 09:51:49,685 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1364574262] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:51:49,685 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:51:49,685 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 32 [2021-06-06 09:51:49,685 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521557468] [2021-06-06 09:51:49,685 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-06-06 09:51:49,685 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:51:49,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-06-06 09:51:49,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=908, Unknown=0, NotChecked=0, Total=992 [2021-06-06 09:51:49,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:51:49,686 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:51:49,686 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 1.5) internal successors, (48), 32 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 09:51:49,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:51:49,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:51:49,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:49,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:49,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:49,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:51:49,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:49,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:51:49,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:51:49,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:51:49,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:49,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:51:49,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:49,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:49,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:51:49,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:49,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:51:49,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:51:49,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:49,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:51:49,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:51:49,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:51:49,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:51:49,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:51:49,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:51:49,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:51:49,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:51:49,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:51:49,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:51:49,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-06 09:51:49,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:51:49,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:51:50,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:51:50,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:51:50,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:50,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:50,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:50,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:51:50,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:50,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:51:50,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:51:50,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:51:50,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:50,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:51:50,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:50,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:50,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:51:50,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:50,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:51:50,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:51:50,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:50,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:51:50,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:51:50,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:51:50,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:51:50,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:51:50,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:51:50,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:51:50,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:51:50,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:51:50,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:51:50,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 09:51:50,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:51:50,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:51:50,701 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable431 [2021-06-06 09:51:50,701 INFO L430 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:51:50,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:51:50,702 INFO L82 PathProgramCache]: Analyzing trace with hash 155654066, now seen corresponding path program 27 times [2021-06-06 09:51:50,702 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:51:50,702 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585299639] [2021-06-06 09:51:50,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:51:50,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:51:50,960 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 09:51:50,960 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:51:50,960 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585299639] [2021-06-06 09:51:50,961 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585299639] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:51:50,961 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1863247071] [2021-06-06 09:51:50,961 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 09:51:51,025 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-06 09:51:51,025 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:51:51,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 38 conjunts are in the unsatisfiable core [2021-06-06 09:51:51,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:51:51,118 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:51,119 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 15 treesize of output 11 [2021-06-06 09:51:51,120 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:51,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:51:51,123 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:51,138 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:51:51,139 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 09:51:51,139 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-06-06 09:51:51,280 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:51,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:51:51,281 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:51,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:51:51,284 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:51,298 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-06 09:51:51,298 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 09:51:51,299 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 09:51:51,299 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-06 09:51:51,325 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 09:51:51,325 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1863247071] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:51:51,325 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:51:51,326 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 26 [2021-06-06 09:51:51,326 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365143669] [2021-06-06 09:51:51,326 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-06-06 09:51:51,326 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:51:51,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-06-06 09:51:51,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=586, Unknown=0, NotChecked=0, Total=650 [2021-06-06 09:51:51,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:51:51,327 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:51:51,327 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 1.4615384615384615) internal successors, (38), 26 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 09:51:51,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:51:51,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:51:51,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:51,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:51,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:51,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:51:51,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:51,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:51:51,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:51:51,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:51:51,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:51,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:51:51,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:51,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:51,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:51:51,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:51,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:51:51,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:51:51,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:51,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:51:51,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:51:51,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:51:51,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:51:51,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:51:51,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:51:51,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:51:51,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:51:51,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:51:51,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:51:51,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-06 09:51:51,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:51:51,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:51:51,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:51:52,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:51:52,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:51:52,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:52,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:52,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:52,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:51:52,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:52,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:51:52,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:51:52,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:51:52,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:52,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:51:52,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:52,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:52,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:51:52,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:52,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:51:52,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:51:52,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:52,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:51:52,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:51:52,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:51:52,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:51:52,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:51:52,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:51:52,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:51:52,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:51:52,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:51:52,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:51:52,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 09:51:52,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:51:52,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:51:52,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:51:52,224 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable449,34 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:51:52,225 INFO L430 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:51:52,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:51:52,225 INFO L82 PathProgramCache]: Analyzing trace with hash 1187860484, now seen corresponding path program 28 times [2021-06-06 09:51:52,225 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:51:52,225 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570967241] [2021-06-06 09:51:52,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:51:52,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:51:53,133 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 09:51:53,133 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:51:53,133 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570967241] [2021-06-06 09:51:53,133 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570967241] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:51:53,133 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [197358435] [2021-06-06 09:51:53,133 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 09:51:53,173 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 09:51:53,174 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:51:53,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 71 conjunts are in the unsatisfiable core [2021-06-06 09:51:53,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:51:54,231 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 109 [2021-06-06 09:51:54,620 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 113 [2021-06-06 09:51:55,127 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 166 [2021-06-06 09:51:55,702 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 170 [2021-06-06 09:51:55,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:55,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:55,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:55,821 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:55,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:55,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:55,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:55,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:55,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:55,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:55,826 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:55,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:55,827 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:55,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:55,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:55,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:55,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:55,830 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:55,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:55,831 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:55,833 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:55,840 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:55,842 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:55,845 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:55,846 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:55,847 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 97 treesize of output 67 [2021-06-06 09:51:55,848 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:55,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:55,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:55,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:55,855 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:55,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:55,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:55,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:55,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:55,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:55,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:55,860 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:55,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:55,861 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:55,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:55,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:55,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:55,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:55,865 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:55,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:55,866 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:55,866 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 87 treesize of output 59 [2021-06-06 09:51:55,867 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:56,290 WARN L205 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 116 [2021-06-06 09:51:56,291 INFO L628 ElimStorePlain]: treesize reduction 63, result has 88.0 percent of original size [2021-06-06 09:51:56,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:56,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:56,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:56,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:56,298 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:56,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:56,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:56,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:56,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:56,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:56,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:56,302 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:56,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:56,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:56,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:56,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:56,305 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:56,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:56,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:56,307 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:56,308 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:56,311 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:56,317 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:56,321 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:56,323 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:56,323 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:56,324 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 87 treesize of output 59 [2021-06-06 09:51:56,325 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:56,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:56,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:56,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:56,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:56,332 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:56,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:56,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:56,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:56,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:56,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:56,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:56,336 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:56,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:56,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:56,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:56,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:56,339 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:56,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:56,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:56,341 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:56,341 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:56,342 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 97 treesize of output 67 [2021-06-06 09:51:56,343 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:56,442 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:51:56,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:56,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:56,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:56,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:56,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:56,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:56,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:56,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:56,452 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:56,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:56,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:56,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:56,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:56,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:56,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:56,456 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:56,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:56,457 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:56,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:56,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:56,459 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:56,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:56,460 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:56,468 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:56,474 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:56,477 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:56,479 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:56,482 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:56,482 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 97 treesize of output 67 [2021-06-06 09:51:56,484 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:56,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:56,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:56,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:56,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:56,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:56,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:56,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:56,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:56,496 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:56,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:56,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:56,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:56,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:56,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:56,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:56,500 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:56,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:56,502 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:56,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:56,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:56,503 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:56,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:51:56,505 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:56,505 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 99 treesize of output 69 [2021-06-06 09:51:56,508 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:56,627 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-06-06 09:51:56,627 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:51:56,634 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-1 vars, End of recursive call: 5 dim-0 vars, and 5 xjuncts. [2021-06-06 09:51:56,634 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:612, output treesize:307 [2021-06-06 09:51:57,821 INFO L446 ElimStorePlain]: Different costs {0=[array_4, v_prenex_121, v_prenex_123], 15=[array_0, v_prenex_120, v_prenex_122]} [2021-06-06 09:51:57,833 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 56 treesize of output 44 [2021-06-06 09:51:57,835 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:57,839 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 54 treesize of output 42 [2021-06-06 09:51:57,841 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:57,966 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2021-06-06 09:51:57,967 INFO L628 ElimStorePlain]: treesize reduction 67, result has 77.1 percent of original size [2021-06-06 09:51:57,996 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 09:51:58,001 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-06 09:51:58,055 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:51:58,066 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 55 treesize of output 43 [2021-06-06 09:51:58,068 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:58,071 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 53 treesize of output 41 [2021-06-06 09:51:58,074 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:58,107 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:51:58,110 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:58,111 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:58,111 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 12 treesize of output 5 [2021-06-06 09:51:58,112 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:58,115 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:58,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:51:58,118 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:58,151 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:51:58,154 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:58,155 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:58,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:51:58,156 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:58,158 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:58,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:51:58,159 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:58,167 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:51:58,198 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:51:58,201 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:58,202 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:58,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:51:58,202 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:58,205 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:51:58,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:51:58,206 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 09:51:58,235 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:51:58,237 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 6 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-06-06 09:51:58,237 INFO L247 ElimStorePlain]: Needed 12 recursive calls to eliminate 9 variables, input treesize:379, output treesize:31 [2021-06-06 09:51:58,323 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 09:51:58,324 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [197358435] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:51:58,324 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:51:58,324 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 21] total 40 [2021-06-06 09:51:58,324 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753757047] [2021-06-06 09:51:58,324 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-06-06 09:51:58,324 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:51:58,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-06-06 09:51:58,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=1470, Unknown=0, NotChecked=0, Total=1560 [2021-06-06 09:51:58,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:51:58,325 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:51:58,325 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 1.375) internal successors, (55), 40 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 09:51:58,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:51:58,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:51:58,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:58,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:58,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:51:58,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:51:58,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:58,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:51:58,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:51:58,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:51:58,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:58,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:51:58,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:58,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:58,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:51:58,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:51:58,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:51:58,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:51:58,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:51:58,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:51:58,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:51:58,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:51:58,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:51:58,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:51:58,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:51:58,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:51:58,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:51:58,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:51:58,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:51:58,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-06 09:51:58,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:51:58,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:51:58,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:51:58,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:52:00,579 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 126 [2021-06-06 09:52:01,049 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 142 [2021-06-06 09:52:01,588 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 146 [2021-06-06 09:52:02,213 WARN L205 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 150 [2021-06-06 09:52:03,009 WARN L205 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 153 [2021-06-06 09:52:03,426 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 149 [2021-06-06 09:52:03,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:52:03,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:52:03,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:52:03,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:52:03,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:52:03,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:52:03,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:52:03,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:52:03,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:52:03,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:52:03,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:52:03,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:52:03,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:52:03,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:52:03,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:52:03,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:52:03,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:52:03,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:52:03,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:52:03,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:52:03,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:52:03,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:52:03,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:52:03,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:52:03,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:52:03,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:52:03,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:52:03,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:52:03,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:52:03,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 09:52:03,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:52:03,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:52:03,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:52:03,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:52:03,868 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable452 [2021-06-06 09:52:03,869 INFO L430 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:52:03,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:52:03,869 INFO L82 PathProgramCache]: Analyzing trace with hash -736392604, now seen corresponding path program 29 times [2021-06-06 09:52:03,869 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:52:03,869 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212121129] [2021-06-06 09:52:03,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:52:03,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:52:04,290 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 09:52:04,291 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:52:04,291 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212121129] [2021-06-06 09:52:04,291 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212121129] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:52:04,291 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1922452158] [2021-06-06 09:52:04,291 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 09:52:04,337 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-06 09:52:04,337 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:52:04,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 59 conjunts are in the unsatisfiable core [2021-06-06 09:52:04,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:52:05,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,516 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:05,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,523 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:05,528 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 70 treesize of output 48 [2021-06-06 09:52:05,530 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:05,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,544 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:05,553 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:05,554 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 09:52:05,556 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:05,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,577 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:05,586 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:05,587 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 09:52:05,589 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:05,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,601 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:05,611 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:05,611 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 60 treesize of output 40 [2021-06-06 09:52:05,613 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:05,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,625 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:05,634 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:05,635 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 60 treesize of output 40 [2021-06-06 09:52:05,637 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:05,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,642 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:05,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:05,647 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 09:52:05,649 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:05,768 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2021-06-06 09:52:05,768 INFO L628 ElimStorePlain]: treesize reduction 8, result has 95.1 percent of original size [2021-06-06 09:52:05,798 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 09:52:05,798 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:487, output treesize:149 [2021-06-06 09:52:06,373 INFO L446 ElimStorePlain]: Different costs {0=[array_4], 1=[array_0]} [2021-06-06 09:52:06,375 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 09:52:06,376 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-06 09:52:06,378 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 09:52:06,379 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:06,401 INFO L628 ElimStorePlain]: treesize reduction 41, result has 43.1 percent of original size [2021-06-06 09:52:06,403 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:06,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:52:06,404 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:06,410 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:52:06,411 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 09:52:06,411 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:68, output treesize:11 [2021-06-06 09:52:06,458 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 09:52:06,458 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1922452158] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:52:06,459 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:52:06,459 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 41 [2021-06-06 09:52:06,459 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319249348] [2021-06-06 09:52:06,459 INFO L462 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-06-06 09:52:06,459 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:52:06,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-06-06 09:52:06,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1523, Unknown=0, NotChecked=0, Total=1640 [2021-06-06 09:52:06,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:52:06,460 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:52:06,460 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 41 states, 41 states have (on average 1.3902439024390243) internal successors, (57), 41 states have internal predecessors, (57), 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 09:52:06,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:52:06,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:52:06,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:52:06,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:52:06,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:52:06,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:52:06,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:52:06,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:52:06,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:52:06,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:52:06,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:52:06,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:52:06,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:52:06,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:52:06,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:52:06,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:52:06,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:52:06,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:52:06,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:52:06,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:52:06,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:52:06,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:52:06,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:52:06,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:52:06,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:52:06,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:52:06,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:52:06,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:52:06,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:52:06,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-06 09:52:06,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:52:06,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:52:06,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:52:06,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:52:06,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:52:09,050 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 58 [2021-06-06 09:52:09,277 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 109 [2021-06-06 09:52:09,503 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 109 [2021-06-06 09:52:09,737 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 85 [2021-06-06 09:52:09,980 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 85 [2021-06-06 09:52:10,261 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 109 [2021-06-06 09:52:10,601 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 91 [2021-06-06 09:52:10,857 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 81 [2021-06-06 09:52:11,163 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2021-06-06 09:52:11,439 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2021-06-06 09:52:11,719 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2021-06-06 09:52:11,991 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2021-06-06 09:52:12,262 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2021-06-06 09:52:12,535 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2021-06-06 09:52:12,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:52:12,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:52:12,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:52:12,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:52:12,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:52:12,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:52:12,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:52:12,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:52:12,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:52:12,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:52:12,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:52:12,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:52:12,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:52:12,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:52:12,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:52:12,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:52:12,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:52:12,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:52:12,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:52:12,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:52:12,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:52:12,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:52:12,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:52:12,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:52:12,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:52:12,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:52:12,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:52:12,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:52:12,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:52:12,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 09:52:12,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:52:12,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:52:12,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:52:12,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:52:12,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:52:12,795 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable511,36 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:52:12,795 INFO L430 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:52:12,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:52:12,795 INFO L82 PathProgramCache]: Analyzing trace with hash -695782510, now seen corresponding path program 30 times [2021-06-06 09:52:12,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:52:12,796 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931582175] [2021-06-06 09:52:12,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:52:12,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:52:13,159 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 09:52:13,159 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:52:13,159 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931582175] [2021-06-06 09:52:13,159 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931582175] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:52:13,159 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1735766231] [2021-06-06 09:52:13,159 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 09:52:13,203 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-06 09:52:13,203 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:52:13,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 44 conjunts are in the unsatisfiable core [2021-06-06 09:52:13,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:52:13,544 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 09:52:13,545 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:13,547 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 09:52:13,548 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:13,550 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:13,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:52:13,551 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:13,567 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 09:52:13,568 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:13,570 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 09:52:13,571 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:13,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:52:13,573 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:13,601 INFO L628 ElimStorePlain]: treesize reduction 14, result has 69.6 percent of original size [2021-06-06 09:52:13,601 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-06 09:52:13,601 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:107, output treesize:32 [2021-06-06 09:52:13,856 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 09:52:13,857 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:13,859 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:13,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:52:13,860 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:13,862 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:13,862 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:52:13,863 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:13,864 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 09:52:13,865 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:13,881 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-06-06 09:52:13,882 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 09:52:13,882 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 09:52:13,882 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-06 09:52:13,924 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 09:52:13,924 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1735766231] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:52:13,924 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:52:13,924 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 22] total 43 [2021-06-06 09:52:13,924 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937719294] [2021-06-06 09:52:13,925 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-06-06 09:52:13,925 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:52:13,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-06-06 09:52:13,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=1701, Unknown=0, NotChecked=0, Total=1806 [2021-06-06 09:52:13,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:52:13,925 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:52:13,925 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 09:52:13,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:52:13,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:52:13,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:52:13,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:52:13,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:52:13,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:52:13,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:52:13,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:52:13,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:52:13,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:52:13,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:52:13,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:52:13,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:52:13,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:52:13,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:52:13,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:52:13,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:52:13,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:52:13,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:52:13,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:52:13,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:52:13,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:52:13,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:52:13,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:52:13,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:52:13,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:52:13,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:52:13,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:52:13,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:52:13,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-06 09:52:13,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:52:13,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:52:13,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:52:13,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:52:13,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:52:13,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:52:17,832 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 161 [2021-06-06 09:52:18,341 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 162 [2021-06-06 09:52:18,833 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 162 [2021-06-06 09:52:19,280 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 162 [2021-06-06 09:52:19,719 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 162 [2021-06-06 09:52:20,105 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 159 [2021-06-06 09:52:20,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:52:20,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:52:20,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:52:20,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:52:20,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:52:20,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:52:20,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:52:20,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:52:20,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:52:20,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:52:20,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:52:20,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:52:20,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:52:20,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:52:20,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:52:20,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:52:20,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:52:20,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:52:20,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:52:20,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:52:20,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:52:20,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:52:20,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:52:20,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:52:20,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:52:20,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:52:20,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:52:20,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:52:20,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:52:20,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 09:52:20,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:52:20,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:52:20,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:52:20,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:52:20,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:52:20,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:52:20,426 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable535 [2021-06-06 09:52:20,427 INFO L430 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:52:20,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:52:20,427 INFO L82 PathProgramCache]: Analyzing trace with hash -1173478926, now seen corresponding path program 31 times [2021-06-06 09:52:20,427 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:52:20,427 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849941109] [2021-06-06 09:52:20,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:52:20,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:52:21,027 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 09:52:21,028 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:52:21,028 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849941109] [2021-06-06 09:52:21,028 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849941109] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:52:21,028 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1141873265] [2021-06-06 09:52:21,028 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 09:52:21,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:52:21,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 59 conjunts are in the unsatisfiable core [2021-06-06 09:52:21,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:52:21,674 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 53 treesize of output 39 [2021-06-06 09:52:21,677 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:21,686 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 45 treesize of output 33 [2021-06-06 09:52:21,688 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:21,697 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 45 treesize of output 33 [2021-06-06 09:52:21,699 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:21,708 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 55 treesize of output 41 [2021-06-06 09:52:21,710 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-06-06 09:52:21,719 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 53 treesize of output 39 [2021-06-06 09:52:21,721 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:21,730 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 43 treesize of output 31 [2021-06-06 09:52:21,732 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:21,735 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 43 treesize of output 31 [2021-06-06 09:52:21,737 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:21,783 INFO L628 ElimStorePlain]: treesize reduction 28, result has 77.2 percent of original size [2021-06-06 09:52:21,784 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-06-06 09:52:21,784 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 1 variables, input treesize:354, output treesize:95 [2021-06-06 09:52:22,251 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:22,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:52:22,252 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:22,255 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 09:52:22,255 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:22,258 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:22,258 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 15 treesize of output 11 [2021-06-06 09:52:22,259 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:22,262 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 09:52:22,262 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:22,265 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 09:52:22,265 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:22,268 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:22,268 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 27 treesize of output 21 [2021-06-06 09:52:22,269 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:22,271 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 09:52:22,272 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:22,278 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:22,278 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 15 treesize of output 11 [2021-06-06 09:52:22,279 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:22,282 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:22,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:52:22,283 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:22,286 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:22,286 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 25 treesize of output 19 [2021-06-06 09:52:22,287 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:22,289 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 09:52:22,290 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:22,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:52:22,299 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:22,344 INFO L628 ElimStorePlain]: treesize reduction 68, result has 47.7 percent of original size [2021-06-06 09:52:22,347 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:22,351 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 20 treesize of output 9 [2021-06-06 09:52:22,352 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:22,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:52:22,355 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:22,372 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:52:22,372 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2021-06-06 09:52:22,372 INFO L247 ElimStorePlain]: Needed 15 recursive calls to eliminate 2 variables, input treesize:333, output treesize:46 [2021-06-06 09:52:22,494 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 09:52:22,494 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1141873265] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:52:22,494 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:52:22,494 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 22] total 43 [2021-06-06 09:52:22,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680536598] [2021-06-06 09:52:22,495 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-06-06 09:52:22,495 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:52:22,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-06-06 09:52:22,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=1711, Unknown=0, NotChecked=0, Total=1806 [2021-06-06 09:52:22,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:52:22,496 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:52:22,496 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 43 states, 43 states have (on average 1.3488372093023255) internal successors, (58), 43 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 09:52:22,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:52:22,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:52:22,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:52:22,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:52:22,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:52:22,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:52:22,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:52:22,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:52:22,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:52:22,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:52:22,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:52:22,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:52:22,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:52:22,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:52:22,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:52:22,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:52:22,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:52:22,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:52:22,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:52:22,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:52:22,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:52:22,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:52:22,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:52:22,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:52:22,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:52:22,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:52:22,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:52:22,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:52:22,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:52:22,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-06 09:52:22,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:52:22,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:52:22,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:52:22,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:52:22,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:52:22,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:52:22,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:52:23,858 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 57 [2021-06-06 09:52:24,048 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 64 [2021-06-06 09:52:24,229 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 67 [2021-06-06 09:52:24,426 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 71 [2021-06-06 09:52:24,629 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 69 [2021-06-06 09:52:24,951 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 71 [2021-06-06 09:52:25,166 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 75 [2021-06-06 09:52:25,380 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 75 [2021-06-06 09:52:25,591 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 72 [2021-06-06 09:52:25,804 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 72 [2021-06-06 09:52:26,080 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 83 [2021-06-06 09:52:26,471 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 118 [2021-06-06 09:52:27,032 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 80 [2021-06-06 09:52:27,292 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 56 [2021-06-06 09:52:27,474 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 61 [2021-06-06 09:52:27,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:52:27,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:52:27,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:52:27,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:52:27,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:52:27,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:52:27,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:52:27,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:52:27,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:52:27,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:52:27,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:52:27,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:52:27,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:52:27,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:52:27,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:52:27,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:52:27,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:52:27,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:52:27,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:52:27,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:52:27,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:52:27,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:52:27,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:52:27,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:52:27,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:52:27,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:52:27,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:52:27,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:52:27,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:52:27,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 09:52:27,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:52:27,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:52:27,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:52:27,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:52:27,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:52:27,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:52:27,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:52:27,945 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable543 [2021-06-06 09:52:27,946 INFO L430 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:52:27,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:52:27,946 INFO L82 PathProgramCache]: Analyzing trace with hash 972838500, now seen corresponding path program 32 times [2021-06-06 09:52:27,946 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:52:27,946 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077899463] [2021-06-06 09:52:27,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:52:27,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:52:28,205 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 09:52:28,205 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:52:28,205 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077899463] [2021-06-06 09:52:28,205 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077899463] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:52:28,205 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1107868540] [2021-06-06 09:52:28,205 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 09:52:28,253 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 09:52:28,253 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:52:28,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 38 conjunts are in the unsatisfiable core [2021-06-06 09:52:28,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:52:28,362 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 09:52:28,363 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:28,366 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 16 treesize of output 12 [2021-06-06 09:52:28,366 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:28,382 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:52:28,383 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 09:52:28,383 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:51, output treesize:37 [2021-06-06 09:52:28,564 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:28,564 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 16 treesize of output 12 [2021-06-06 09:52:28,565 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:28,567 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 8 treesize of output 6 [2021-06-06 09:52:28,568 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:28,570 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 09:52:28,571 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:28,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:52:28,575 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:28,594 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-06-06 09:52:28,594 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 09:52:28,595 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 09:52:28,595 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-06 09:52:28,629 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 09:52:28,630 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1107868540] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:52:28,630 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:52:28,630 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 26 [2021-06-06 09:52:28,630 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84346607] [2021-06-06 09:52:28,631 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-06-06 09:52:28,631 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:52:28,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-06-06 09:52:28,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=586, Unknown=0, NotChecked=0, Total=650 [2021-06-06 09:52:28,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:52:28,632 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:52:28,632 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 1.4615384615384615) internal successors, (38), 26 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 09:52:28,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:52:28,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:52:28,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:52:28,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:52:28,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:52:28,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:52:28,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:52:28,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:52:28,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:52:28,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:52:28,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:52:28,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:52:28,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:52:28,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:52:28,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:52:28,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:52:28,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:52:28,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:52:28,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:52:28,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:52:28,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:52:28,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:52:28,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:52:28,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:52:28,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:52:28,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:52:28,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:52:28,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:52:28,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:52:28,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-06 09:52:28,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:52:28,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:52:28,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:52:28,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:52:28,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:52:28,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:52:28,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:52:28,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:52:29,912 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 75 [2021-06-06 09:52:30,093 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2021-06-06 09:52:30,367 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 58 [2021-06-06 09:52:30,672 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 63 [2021-06-06 09:52:32,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:52:32,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:52:32,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:52:32,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:52:32,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:52:32,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:52:32,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:52:32,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:52:32,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:52:32,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:52:32,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:52:32,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:52:32,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:52:32,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:52:32,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:52:32,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:52:32,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:52:32,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:52:32,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:52:32,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:52:32,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:52:32,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:52:32,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:52:32,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:52:32,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:52:32,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:52:32,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:52:32,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:52:32,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:52:32,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:52:32,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:52:32,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:52:32,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:52:32,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:52:32,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:52:32,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:52:32,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:52:32,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:52:33,007 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable568 [2021-06-06 09:52:33,008 INFO L430 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:52:33,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:52:33,008 INFO L82 PathProgramCache]: Analyzing trace with hash -531830278, now seen corresponding path program 33 times [2021-06-06 09:52:33,008 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:52:33,008 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717801804] [2021-06-06 09:52:33,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:52:33,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:52:33,466 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 09:52:33,466 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:52:33,466 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717801804] [2021-06-06 09:52:33,466 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717801804] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:52:33,466 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1131234915] [2021-06-06 09:52:33,466 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 09:52:33,514 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-06 09:52:33,514 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:52:33,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 72 conjunts are in the unsatisfiable core [2021-06-06 09:52:33,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:52:33,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:33,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:33,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:33,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:33,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:33,964 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:33,967 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:33,971 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 57 treesize of output 41 [2021-06-06 09:52:33,973 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:33,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:33,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:33,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:33,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:33,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:33,979 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:33,979 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 47 treesize of output 33 [2021-06-06 09:52:33,981 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:34,008 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:52:34,010 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 09:52:34,010 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:147, output treesize:69 [2021-06-06 09:52:34,718 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2021-06-06 09:52:34,979 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2021-06-06 09:52:35,382 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2021-06-06 09:52:35,466 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_140, array_4, v_prenex_142], 5=[array_0, v_prenex_141, v_prenex_139]} [2021-06-06 09:52:35,480 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 53 treesize of output 39 [2021-06-06 09:52:35,482 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:35,488 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 43 treesize of output 31 [2021-06-06 09:52:35,490 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:35,586 INFO L628 ElimStorePlain]: treesize reduction 156, result has 44.1 percent of original size [2021-06-06 09:52:35,589 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 55 treesize of output 41 [2021-06-06 09:52:35,594 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-06 09:52:35,623 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:52:35,626 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 36 treesize of output 26 [2021-06-06 09:52:35,628 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:35,649 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:52:35,652 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:35,652 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:35,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:52:35,653 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:35,656 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:35,656 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 21 treesize of output 7 [2021-06-06 09:52:35,657 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:35,664 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:52:35,682 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:52:35,682 INFO L518 ElimStorePlain]: Eliminatee v_prenex_141 vanished before elimination [2021-06-06 09:52:35,683 INFO L518 ElimStorePlain]: Eliminatee v_prenex_139 vanished before elimination [2021-06-06 09:52:35,684 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 6 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-06 09:52:35,684 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 9 variables, input treesize:349, output treesize:21 [2021-06-06 09:52:35,736 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 09:52:35,737 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1131234915] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:52:35,737 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:52:35,737 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 37 [2021-06-06 09:52:35,737 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036649153] [2021-06-06 09:52:35,737 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-06 09:52:35,737 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:52:35,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-06 09:52:35,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=1243, Unknown=0, NotChecked=0, Total=1332 [2021-06-06 09:52:35,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:52:35,738 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:52:35,738 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 1.4324324324324325) internal successors, (53), 37 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 09:52:35,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:52:35,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:52:35,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:52:35,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:52:35,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:52:35,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:52:35,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:52:35,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:52:35,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:52:35,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:52:35,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:52:35,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:52:35,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:52:35,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:52:35,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:52:35,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:52:35,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:52:35,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:52:35,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:52:35,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:52:35,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:52:35,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:52:35,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:52:35,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:52:35,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:52:35,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:52:35,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:52:35,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:52:35,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:52:35,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:52:35,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:52:35,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:52:35,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:52:35,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:52:35,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:52:35,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:52:35,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:52:35,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:52:35,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:52:37,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:52:37,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:52:37,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:52:37,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:52:37,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:52:37,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:52:37,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:52:37,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:52:37,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:52:37,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:52:37,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:52:37,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:52:37,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:52:37,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:52:37,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:52:37,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:52:37,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:52:37,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:52:37,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:52:37,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:52:37,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:52:37,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:52:37,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:52:37,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:52:37,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:52:37,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:52:37,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:52:37,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:52:37,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:52:37,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:52:37,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:52:37,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:52:37,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:52:37,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:52:37,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:52:37,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:52:37,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:52:37,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:52:37,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:52:37,911 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable574 [2021-06-06 09:52:37,911 INFO L430 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:52:37,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:52:37,911 INFO L82 PathProgramCache]: Analyzing trace with hash 1787768622, now seen corresponding path program 34 times [2021-06-06 09:52:37,911 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:52:37,911 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229380373] [2021-06-06 09:52:37,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:52:37,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:52:38,193 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 09:52:38,193 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:52:38,193 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229380373] [2021-06-06 09:52:38,193 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229380373] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:52:38,193 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [407064557] [2021-06-06 09:52:38,193 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 09:52:38,233 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 09:52:38,234 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:52:38,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 44 conjunts are in the unsatisfiable core [2021-06-06 09:52:38,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:52:38,334 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 09:52:38,335 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:38,337 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 09:52:38,337 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:38,350 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:52:38,350 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 09:52:38,350 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-06-06 09:52:38,525 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:38,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:52:38,526 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:38,528 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 16 treesize of output 12 [2021-06-06 09:52:38,528 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:38,543 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-06 09:52:38,543 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 09:52:38,543 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 09:52:38,543 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-06 09:52:38,572 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 09:52:38,573 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [407064557] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:52:38,573 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:52:38,573 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 30 [2021-06-06 09:52:38,573 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679884751] [2021-06-06 09:52:38,573 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-06 09:52:38,573 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:52:38,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-06 09:52:38,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=795, Unknown=0, NotChecked=0, Total=870 [2021-06-06 09:52:38,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:52:38,574 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:52:38,574 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 1.4) internal successors, (42), 30 states have internal predecessors, (42), 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 09:52:38,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:52:38,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:52:38,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:52:38,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:52:38,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:52:38,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:52:38,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:52:38,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:52:38,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:52:38,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:52:38,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:52:38,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:52:38,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:52:38,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:52:38,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:52:38,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:52:38,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:52:38,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:52:38,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:52:38,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:52:38,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:52:38,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:52:38,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:52:38,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:52:38,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:52:38,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:52:38,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:52:38,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:52:38,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:52:38,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:52:38,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:52:38,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:52:38,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:52:38,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:52:38,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:52:38,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:52:38,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:52:38,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:52:38,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:52:38,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:52:39,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:52:39,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:52:39,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:52:39,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:52:39,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:52:39,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:52:39,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:52:39,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:52:39,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:52:39,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:52:39,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:52:39,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:52:39,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:52:39,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:52:39,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:52:39,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:52:39,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:52:39,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:52:39,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:52:39,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:52:39,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:52:39,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:52:39,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:52:39,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:52:39,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:52:39,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:52:39,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:52:39,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:52:39,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:52:39,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:52:39,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:52:39,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:52:39,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:52:39,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:52:39,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:52:39,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:52:39,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:52:39,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:52:39,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:52:39,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:52:39,662 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable620 [2021-06-06 09:52:39,662 INFO L430 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:52:39,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:52:39,662 INFO L82 PathProgramCache]: Analyzing trace with hash 243804168, now seen corresponding path program 35 times [2021-06-06 09:52:39,663 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:52:39,663 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528906917] [2021-06-06 09:52:39,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:52:39,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:52:40,517 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 09:52:40,517 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:52:40,517 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528906917] [2021-06-06 09:52:40,517 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528906917] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:52:40,517 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [464096196] [2021-06-06 09:52:40,517 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 09:52:40,565 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-06 09:52:40,565 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:52:40,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 83 conjunts are in the unsatisfiable core [2021-06-06 09:52:40,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:52:41,843 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 122 [2021-06-06 09:52:42,334 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 126 [2021-06-06 09:52:42,859 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 130 [2021-06-06 09:52:43,443 WARN L205 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 132 [2021-06-06 09:52:44,123 WARN L205 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 195 [2021-06-06 09:52:44,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,247 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:44,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,257 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:44,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,261 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:44,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,262 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:44,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,268 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:44,268 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:44,273 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:44,286 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:44,293 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:44,295 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:44,301 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:44,302 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:44,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 15 disjoint index pairs (out of 66 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 79 [2021-06-06 09:52:44,305 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:44,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,316 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:44,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,324 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:44,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,332 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:44,332 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:44,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,337 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:44,338 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:44,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 15 disjoint index pairs (out of 66 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 81 [2021-06-06 09:52:44,341 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:44,675 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 141 [2021-06-06 09:52:44,676 INFO L628 ElimStorePlain]: treesize reduction 124, result has 80.3 percent of original size [2021-06-06 09:52:44,681 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:44,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,688 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:44,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,693 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:44,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,695 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:44,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,697 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:44,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,698 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:44,698 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:44,708 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:44,716 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:44,718 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:44,720 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:44,721 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:44,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 15 disjoint index pairs (out of 66 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 71 [2021-06-06 09:52:44,723 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:44,727 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:44,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,734 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:44,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,739 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:44,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,741 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:44,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,743 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:44,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,744 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:44,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 15 disjoint index pairs (out of 66 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 79 [2021-06-06 09:52:44,746 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:44,848 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-06-06 09:52:44,849 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:52:44,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,858 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:44,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,860 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:44,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,863 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:44,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,865 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:44,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:44,867 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:44,867 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:44,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 15 disjoint index pairs (out of 66 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 73 [2021-06-06 09:52:44,870 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:44,967 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:52:44,974 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-1 vars, End of recursive call: 5 dim-0 vars, and 5 xjuncts. [2021-06-06 09:52:44,975 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:719, output treesize:351 [2021-06-06 09:52:46,439 INFO L446 ElimStorePlain]: Different costs {0=[array_4, v_prenex_155, v_prenex_157], 21=[array_0, v_prenex_154, v_prenex_156]} [2021-06-06 09:52:46,460 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 51 [2021-06-06 09:52:46,463 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:46,469 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 49 [2021-06-06 09:52:46,472 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:46,669 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 97 [2021-06-06 09:52:46,669 INFO L628 ElimStorePlain]: treesize reduction 76, result has 76.9 percent of original size [2021-06-06 09:52:46,673 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 72 treesize of output 56 [2021-06-06 09:52:46,675 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-06 09:52:46,737 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:52:46,751 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 64 treesize of output 50 [2021-06-06 09:52:46,753 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:46,757 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 48 [2021-06-06 09:52:46,759 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:46,794 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:52:46,797 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:46,798 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:46,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:52:46,799 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:46,802 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:46,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:52:46,803 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:46,836 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:52:46,839 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:46,839 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:46,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:52:46,841 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:46,843 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:46,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:52:46,844 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:46,851 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:52:46,882 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:52:46,886 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:46,886 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:46,886 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 11 treesize of output 3 [2021-06-06 09:52:46,887 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:46,889 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:46,890 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 9 treesize of output 3 [2021-06-06 09:52:46,890 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:46,920 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:52:46,921 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 6 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-06-06 09:52:46,921 INFO L247 ElimStorePlain]: Needed 12 recursive calls to eliminate 9 variables, input treesize:433, output treesize:31 [2021-06-06 09:52:47,007 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 09:52:47,008 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [464096196] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:52:47,008 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:52:47,008 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 24] total 46 [2021-06-06 09:52:47,008 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928860171] [2021-06-06 09:52:47,008 INFO L462 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-06-06 09:52:47,008 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:52:47,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-06-06 09:52:47,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=1948, Unknown=0, NotChecked=0, Total=2070 [2021-06-06 09:52:47,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:52:47,009 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:52:47,009 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 46 states, 46 states have (on average 1.326086956521739) internal successors, (61), 46 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 09:52:47,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:52:47,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:52:47,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:52:47,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:52:47,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:52:47,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:52:47,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:52:47,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:52:47,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:52:47,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:52:47,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:52:47,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:52:47,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:52:47,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:52:47,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:52:47,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:52:47,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:52:47,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:52:47,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:52:47,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:52:47,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:52:47,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:52:47,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:52:47,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:52:47,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:52:47,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:52:47,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:52:47,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:52:47,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:52:47,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:52:47,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:52:47,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:52:47,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:52:47,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:52:47,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:52:47,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:52:47,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:52:47,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:52:47,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:52:47,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:52:47,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:52:49,098 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 63 [2021-06-06 09:52:49,501 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 129 [2021-06-06 09:52:50,061 WARN L205 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 114 [2021-06-06 09:52:50,762 WARN L205 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 146 [2021-06-06 09:52:51,452 WARN L205 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 122 [2021-06-06 09:52:52,308 WARN L205 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 152 [2021-06-06 09:52:53,325 WARN L205 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 215 [2021-06-06 09:52:53,758 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 156 [2021-06-06 09:52:53,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:52:53,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:52:53,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:52:53,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:52:53,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:52:53,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:52:53,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:52:53,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:52:53,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:52:53,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:52:53,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:52:53,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:52:53,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:52:53,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:52:53,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:52:53,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:52:53,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:52:53,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:52:53,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:52:53,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:52:53,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:52:53,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:52:53,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:52:53,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:52:53,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:52:53,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:52:53,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:52:53,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:52:53,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:52:53,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:52:53,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:52:53,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:52:53,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:52:53,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:52:53,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:52:53,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:52:53,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:52:53,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:52:53,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:52:53,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:52:53,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:52:54,212 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable623 [2021-06-06 09:52:54,213 INFO L430 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:52:54,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:52:54,213 INFO L82 PathProgramCache]: Analyzing trace with hash 290320444, now seen corresponding path program 36 times [2021-06-06 09:52:54,213 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:52:54,214 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819575970] [2021-06-06 09:52:54,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:52:54,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:52:54,811 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 09:52:54,811 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:52:54,812 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819575970] [2021-06-06 09:52:54,812 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819575970] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:52:54,812 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1541658849] [2021-06-06 09:52:54,812 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 09:52:54,858 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-06 09:52:54,859 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:52:54,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 67 conjunts are in the unsatisfiable core [2021-06-06 09:52:54,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:52:56,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,447 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:56,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,462 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:56,467 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 09:52:56,470 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:56,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,491 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:56,507 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:56,508 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 81 treesize of output 55 [2021-06-06 09:52:56,511 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:56,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,525 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:56,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,539 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:56,545 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 09:52:56,547 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:56,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,567 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:56,584 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:56,584 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 09:52:56,587 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:56,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,600 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:56,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,614 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:56,619 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 71 treesize of output 47 [2021-06-06 09:52:56,622 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:56,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,634 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:56,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:52:56,639 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 71 treesize of output 47 [2021-06-06 09:52:56,642 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:56,786 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2021-06-06 09:52:56,787 INFO L628 ElimStorePlain]: treesize reduction 2, result has 98.5 percent of original size [2021-06-06 09:52:56,792 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 09:52:56,792 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:523, output treesize:125 [2021-06-06 09:52:57,531 INFO L446 ElimStorePlain]: Different costs {0=[array_4, v_prenex_165], 1=[array_0, v_prenex_164]} [2021-06-06 09:52:57,535 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 09:52:57,536 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:57,538 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 09:52:57,539 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:57,570 INFO L628 ElimStorePlain]: treesize reduction 38, result has 54.8 percent of original size [2021-06-06 09:52:57,572 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 09:52:57,573 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-06 09:52:57,590 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:52:57,590 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-06-06 09:52:57,593 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:57,593 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:57,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:52:57,594 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:57,596 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:52:57,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:52:57,597 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 09:52:57,604 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:52:57,618 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:52:57,619 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-06 09:52:57,619 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:119, output treesize:18 [2021-06-06 09:52:57,675 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 09:52:57,675 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1541658849] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:52:57,675 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:52:57,675 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25] total 48 [2021-06-06 09:52:57,675 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911775125] [2021-06-06 09:52:57,676 INFO L462 AbstractCegarLoop]: Interpolant automaton has 48 states [2021-06-06 09:52:57,676 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:52:57,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2021-06-06 09:52:57,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=2137, Unknown=0, NotChecked=0, Total=2256 [2021-06-06 09:52:57,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:52:57,676 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:52:57,676 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 48 states, 48 states have (on average 1.3125) internal successors, (63), 48 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 09:52:57,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:52:57,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:52:57,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:52:57,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:52:57,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:52:57,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:52:57,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:52:57,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:52:57,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:52:57,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:52:57,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:52:57,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:52:57,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:52:57,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:52:57,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:52:57,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:52:57,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:52:57,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:52:57,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:52:57,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:52:57,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:52:57,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:52:57,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:52:57,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:52:57,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:52:57,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:52:57,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:52:57,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:52:57,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:52:57,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:52:57,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:52:57,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:52:57,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:52:57,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:52:57,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:52:57,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:52:57,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:52:57,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:52:57,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:52:57,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:52:57,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:52:57,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:52:59,471 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2021-06-06 09:52:59,778 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 116 [2021-06-06 09:53:00,116 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 119 [2021-06-06 09:53:00,695 WARN L205 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 116 [2021-06-06 09:53:01,040 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 119 [2021-06-06 09:53:01,372 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 119 [2021-06-06 09:53:01,700 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 116 [2021-06-06 09:53:02,109 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 99 [2021-06-06 09:53:02,435 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 82 [2021-06-06 09:53:02,868 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 87 [2021-06-06 09:53:03,252 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 87 [2021-06-06 09:53:03,634 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 88 [2021-06-06 09:53:04,004 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 87 [2021-06-06 09:53:04,380 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 87 [2021-06-06 09:53:04,759 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 87 [2021-06-06 09:53:05,116 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 93 [2021-06-06 09:53:05,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:53:05,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:53:05,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:53:05,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:53:05,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:53:05,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:53:05,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:53:05,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:53:05,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:53:05,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:53:05,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:53:05,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:53:05,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:53:05,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:53:05,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:53:05,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:53:05,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:53:05,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:53:05,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:53:05,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:53:05,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:53:05,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:53:05,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:53:05,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:53:05,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:53:05,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:53:05,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:53:05,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:53:05,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:53:05,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:53:05,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:53:05,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:53:05,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:53:05,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:53:05,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:53:05,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:53:05,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:53:05,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:53:05,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:53:05,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:53:05,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:53:05,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:53:05,454 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable685 [2021-06-06 09:53:05,454 INFO L430 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:53:05,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:53:05,455 INFO L82 PathProgramCache]: Analyzing trace with hash 1067550906, now seen corresponding path program 37 times [2021-06-06 09:53:05,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:53:05,455 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119270849] [2021-06-06 09:53:05,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:53:05,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:53:05,845 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 09:53:05,845 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:53:05,845 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119270849] [2021-06-06 09:53:05,845 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119270849] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:53:05,845 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1152499073] [2021-06-06 09:53:05,845 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 09:53:05,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:53:05,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 50 conjunts are in the unsatisfiable core [2021-06-06 09:53:05,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:53:06,182 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 09:53:06,183 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:53:06,186 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:06,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:53:06,187 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:53:06,189 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 09:53:06,190 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:53:06,192 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 09:53:06,193 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:53:06,195 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 09:53:06,196 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 09:53:06,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:53:06,199 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 09:53:06,229 INFO L628 ElimStorePlain]: treesize reduction 22, result has 59.3 percent of original size [2021-06-06 09:53:06,229 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-06 09:53:06,229 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:107, output treesize:32 [2021-06-06 09:53:06,474 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:06,475 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 16 treesize of output 12 [2021-06-06 09:53:06,475 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:53:06,477 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:06,477 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 17 treesize of output 13 [2021-06-06 09:53:06,478 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:53:06,480 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 09:53:06,481 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:53:06,482 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 09:53:06,483 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:53:06,498 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-06-06 09:53:06,498 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 09:53:06,498 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 09:53:06,498 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-06 09:53:06,538 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 09:53:06,538 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1152499073] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:53:06,538 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:53:06,538 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 40 [2021-06-06 09:53:06,538 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412480772] [2021-06-06 09:53:06,538 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-06-06 09:53:06,538 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:53:06,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-06-06 09:53:06,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=1456, Unknown=0, NotChecked=0, Total=1560 [2021-06-06 09:53:06,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:53:06,539 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:53:06,539 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 1.3) internal successors, (52), 40 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 09:53:06,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:53:06,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:53:06,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:53:06,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:53:06,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:53:06,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:53:06,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:53:06,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:53:06,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:53:06,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:53:06,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:53:06,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:53:06,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:53:06,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:53:06,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:53:06,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:53:06,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:53:06,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:53:06,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:53:06,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:53:06,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:53:06,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:53:06,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:53:06,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:53:06,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:53:06,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:53:06,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:53:06,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:53:06,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:53:06,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:53:06,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:53:06,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:53:06,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:53:06,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:53:06,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:53:06,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:53:06,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:53:06,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:53:06,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:53:06,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:53:06,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:53:06,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:53:06,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:53:09,520 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 156 [2021-06-06 09:53:10,064 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 155 [2021-06-06 09:53:10,541 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 155 [2021-06-06 09:53:11,022 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 155 [2021-06-06 09:53:11,453 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 155 [2021-06-06 09:53:11,893 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 155 [2021-06-06 09:53:12,335 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 166 [2021-06-06 09:53:12,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:53:12,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:53:12,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:53:12,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:53:12,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:53:12,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:53:12,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:53:12,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:53:12,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:53:12,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:53:12,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:53:12,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:53:12,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:53:12,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:53:12,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:53:12,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:53:12,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:53:12,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:53:12,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:53:12,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:53:12,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:53:12,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:53:12,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:53:12,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:53:12,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:53:12,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:53:12,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:53:12,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:53:12,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:53:12,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:53:12,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:53:12,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:53:12,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:53:12,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:53:12,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:53:12,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:53:12,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:53:12,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:53:12,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:53:12,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:53:12,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 09:53:12,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:53:12,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 09:53:12,663 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable706,44 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:53:12,663 INFO L430 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:53:12,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:53:12,663 INFO L82 PathProgramCache]: Analyzing trace with hash -374453650, now seen corresponding path program 38 times [2021-06-06 09:53:12,663 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:53:12,663 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606604357] [2021-06-06 09:53:12,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:53:12,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:53:13,244 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 09:53:13,244 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:53:13,244 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606604357] [2021-06-06 09:53:13,244 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606604357] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:53:13,244 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1529376583] [2021-06-06 09:53:13,244 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 09:53:13,290 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 09:53:13,291 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:53:13,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 67 conjunts are in the unsatisfiable core [2021-06-06 09:53:13,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:53:13,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:13,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:13,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:13,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:13,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:13,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:13,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:13,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:13,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:13,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:13,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:13,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:13,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:13,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:13,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:13,768 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 72 treesize of output 48 [2021-06-06 09:53:13,770 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:53:13,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:13,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:13,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:13,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:13,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:13,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:13,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:13,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:13,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:13,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:13,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:13,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:13,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:13,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:13,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:13,791 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 82 treesize of output 56 [2021-06-06 09:53:13,793 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-06 09:53:13,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:13,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:13,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:13,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:13,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:13,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:13,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:13,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:13,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:13,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:13,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:13,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:13,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:13,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:13,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:13,814 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 70 treesize of output 46 [2021-06-06 09:53:13,816 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:53:13,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:13,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:13,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:13,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:13,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:13,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:13,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:13,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:13,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:13,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:13,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:13,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:13,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:13,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:13,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:13,827 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 80 treesize of output 54 [2021-06-06 09:53:13,829 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:53:13,861 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:53:13,862 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-06 09:53:13,862 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:339, output treesize:107 [2021-06-06 09:53:14,409 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:14,409 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 25 treesize of output 19 [2021-06-06 09:53:14,410 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:53:14,413 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:14,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:53:14,414 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:53:14,417 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:14,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:53:14,418 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:53:14,421 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:14,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:53:14,422 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:53:14,426 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:14,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:53:14,427 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 09:53:14,431 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:14,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:53:14,432 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 09:53:14,434 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 09:53:14,435 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 09:53:14,437 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 09:53:14,438 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 09:53:14,441 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 09:53:14,441 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 09:53:14,444 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 09:53:14,444 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 09:53:14,447 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:14,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:53:14,448 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 09:53:14,451 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 09:53:14,451 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 09:53:14,453 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 09:53:14,454 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 09:53:14,456 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 09:53:14,457 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 09:53:14,527 INFO L628 ElimStorePlain]: treesize reduction 65, result has 48.8 percent of original size [2021-06-06 09:53:14,529 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:14,530 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 20 treesize of output 9 [2021-06-06 09:53:14,530 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-06 09:53:14,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:53:14,533 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-06 09:53:14,550 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:53:14,551 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2021-06-06 09:53:14,551 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 2 variables, input treesize:377, output treesize:46 [2021-06-06 09:53:14,649 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 09:53:14,650 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1529376583] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:53:14,650 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:53:14,650 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25] total 41 [2021-06-06 09:53:14,650 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147451323] [2021-06-06 09:53:14,650 INFO L462 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-06-06 09:53:14,650 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:53:14,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-06-06 09:53:14,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=1522, Unknown=0, NotChecked=0, Total=1640 [2021-06-06 09:53:14,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:53:14,651 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:53:14,651 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 41 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 41 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 09:53:14,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:53:14,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:53:14,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:53:14,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:53:14,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:53:14,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:53:14,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:53:14,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:53:14,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:53:14,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:53:14,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:53:14,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:53:14,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:53:14,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:53:14,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:53:14,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:53:14,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:53:14,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:53:14,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:53:14,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:53:14,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:53:14,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:53:14,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:53:14,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:53:14,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:53:14,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:53:14,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:53:14,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:53:14,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:53:14,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:53:14,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:53:14,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:53:14,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:53:14,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:53:14,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:53:14,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:53:14,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:53:14,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:53:14,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:53:14,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:53:14,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 09:53:14,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:53:14,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 09:53:14,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:53:15,826 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2021-06-06 09:53:16,965 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2021-06-06 09:53:18,089 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2021-06-06 09:53:20,765 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2021-06-06 09:53:21,017 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 66 [2021-06-06 09:53:21,219 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2021-06-06 09:53:21,421 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2021-06-06 09:53:21,625 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2021-06-06 09:53:21,833 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2021-06-06 09:53:22,035 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2021-06-06 09:53:22,285 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 76 [2021-06-06 09:53:22,647 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 132 [2021-06-06 09:53:22,972 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 71 [2021-06-06 09:53:23,427 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 119 [2021-06-06 09:53:23,792 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 83 [2021-06-06 09:53:24,277 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 118 [2021-06-06 09:53:24,563 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 89 [2021-06-06 09:53:24,977 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 123 [2021-06-06 09:53:25,320 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 94 [2021-06-06 09:53:25,749 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 128 [2021-06-06 09:53:26,077 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 98 [2021-06-06 09:53:26,544 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 133 [2021-06-06 09:53:26,729 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 67 [2021-06-06 09:53:26,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:53:26,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:53:26,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:53:26,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:53:26,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:53:26,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:53:26,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:53:26,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:53:26,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:53:26,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:53:26,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:53:26,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:53:26,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:53:26,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:53:26,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:53:26,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:53:26,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:53:26,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:53:26,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:53:26,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:53:26,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:53:26,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:53:26,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:53:26,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:53:26,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:53:26,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:53:26,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:53:26,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:53:26,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:53:26,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:53:26,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:53:26,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:53:26,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:53:26,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:53:26,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:53:26,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:53:26,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:53:26,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:53:26,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:53:26,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:53:26,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 09:53:26,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:53:26,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 09:53:26,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-06-06 09:53:27,100 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable714 [2021-06-06 09:53:27,100 INFO L430 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:53:27,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:53:27,100 INFO L82 PathProgramCache]: Analyzing trace with hash 1350682300, now seen corresponding path program 39 times [2021-06-06 09:53:27,100 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:53:27,100 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967042396] [2021-06-06 09:53:27,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:53:27,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:53:27,413 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 09:53:27,413 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:53:27,413 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967042396] [2021-06-06 09:53:27,413 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967042396] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:53:27,413 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1649475136] [2021-06-06 09:53:27,414 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 09:53:27,478 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-06 09:53:27,478 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:53:27,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 44 conjunts are in the unsatisfiable core [2021-06-06 09:53:27,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:53:27,602 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 09:53:27,603 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:53:27,605 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 09:53:27,606 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:53:27,621 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:53:27,622 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 09:53:27,622 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:51, output treesize:37 [2021-06-06 09:53:27,859 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:27,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:53:27,861 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:53:27,863 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:27,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:53:27,865 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:53:27,867 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 09:53:27,868 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:53:27,871 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 09:53:27,871 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:53:27,891 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-06-06 09:53:27,891 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 09:53:27,892 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 09:53:27,892 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-06 09:53:27,935 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 09:53:27,935 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1649475136] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:53:27,935 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:53:27,935 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 30 [2021-06-06 09:53:27,936 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775696738] [2021-06-06 09:53:27,936 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-06 09:53:27,936 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:53:27,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-06 09:53:27,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=795, Unknown=0, NotChecked=0, Total=870 [2021-06-06 09:53:27,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:53:27,937 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:53:27,937 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 1.4) internal successors, (42), 30 states have internal predecessors, (42), 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 09:53:27,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:53:27,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:53:27,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:53:27,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:53:27,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:53:27,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:53:27,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:53:27,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:53:27,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:53:27,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:53:27,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:53:27,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:53:27,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:53:27,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:53:27,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:53:27,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:53:27,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:53:27,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:53:27,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:53:27,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:53:27,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:53:27,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:53:27,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:53:27,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:53:27,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:53:27,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:53:27,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:53:27,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:53:27,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:53:27,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:53:27,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:53:27,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:53:27,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:53:27,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:53:27,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:53:27,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:53:27,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:53:27,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:53:27,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:53:27,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:53:27,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 09:53:27,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:53:27,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 09:53:27,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-06-06 09:53:27,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:53:32,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:53:32,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:53:32,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:53:32,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:53:32,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:53:32,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:53:32,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:53:32,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:53:32,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:53:32,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:53:32,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:53:32,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:53:32,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:53:32,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:53:32,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:53:32,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:53:32,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:53:32,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:53:32,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:53:32,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:53:32,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:53:32,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:53:32,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:53:32,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:53:32,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:53:32,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:53:32,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:53:32,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:53:32,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:53:32,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:53:32,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:53:32,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:53:32,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:53:32,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:53:32,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:53:32,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:53:32,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:53:32,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:53:32,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:53:32,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:53:32,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 09:53:32,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:53:32,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 09:53:32,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-06-06 09:53:32,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:53:32,660 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable734 [2021-06-06 09:53:32,661 INFO L430 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:53:32,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:53:32,661 INFO L82 PathProgramCache]: Analyzing trace with hash -693779886, now seen corresponding path program 40 times [2021-06-06 09:53:32,661 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:53:32,661 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464287794] [2021-06-06 09:53:32,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:53:32,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:53:33,218 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 09:53:33,219 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:53:33,219 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464287794] [2021-06-06 09:53:33,219 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464287794] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:53:33,219 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [574820982] [2021-06-06 09:53:33,219 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 09:53:33,261 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 09:53:33,261 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:53:33,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 68 conjunts are in the unsatisfiable core [2021-06-06 09:53:33,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:53:33,383 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:33,383 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 15 treesize of output 11 [2021-06-06 09:53:33,384 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:53:33,386 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:33,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 18 [2021-06-06 09:53:33,387 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:53:33,389 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 25 treesize of output 19 [2021-06-06 09:53:33,390 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:53:33,426 INFO L628 ElimStorePlain]: treesize reduction 22, result has 68.6 percent of original size [2021-06-06 09:53:33,426 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 09:53:33,426 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:97, output treesize:48 [2021-06-06 09:53:33,963 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 09:53:33,966 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-06 09:53:33,976 INFO L628 ElimStorePlain]: treesize reduction 7, result has 61.1 percent of original size [2021-06-06 09:53:33,976 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 09:53:33,976 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 09:53:33,977 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:66, output treesize:11 [2021-06-06 09:53:34,019 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 09:53:34,019 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [574820982] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:53:34,019 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:53:34,019 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25] total 36 [2021-06-06 09:53:34,020 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045419995] [2021-06-06 09:53:34,020 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-06-06 09:53:34,020 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:53:34,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-06-06 09:53:34,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=1181, Unknown=0, NotChecked=0, Total=1260 [2021-06-06 09:53:34,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:53:34,020 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:53:34,021 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 36 states have internal predecessors, (50), 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 09:53:34,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:53:34,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:53:34,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:53:34,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:53:34,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:53:34,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:53:34,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:53:34,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:53:34,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:53:34,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:53:34,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:53:34,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:53:34,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:53:34,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:53:34,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:53:34,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:53:34,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:53:34,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:53:34,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:53:34,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:53:34,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:53:34,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:53:34,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:53:34,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:53:34,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:53:34,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:53:34,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:53:34,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:53:34,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:53:34,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:53:34,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:53:34,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:53:34,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:53:34,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:53:34,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:53:34,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:53:34,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:53:34,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:53:34,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:53:34,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:53:34,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 09:53:34,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:53:34,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 09:53:34,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-06-06 09:53:34,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:53:34,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:53:35,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:53:35,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:53:35,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:53:35,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:53:35,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:53:35,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:53:35,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:53:35,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:53:35,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:53:35,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:53:35,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:53:35,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:53:35,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:53:35,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:53:35,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:53:35,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:53:35,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:53:35,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:53:35,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:53:35,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:53:35,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:53:35,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:53:35,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:53:35,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:53:35,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:53:35,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:53:35,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:53:35,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:53:35,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:53:35,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:53:35,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:53:35,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:53:35,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:53:35,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:53:35,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:53:35,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:53:35,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:53:35,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:53:35,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:53:35,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:53:35,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 09:53:35,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:53:35,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 09:53:35,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-06-06 09:53:35,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:53:35,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:53:35,856 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable740 [2021-06-06 09:53:35,856 INFO L430 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:53:35,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:53:35,856 INFO L82 PathProgramCache]: Analyzing trace with hash 1289985842, now seen corresponding path program 41 times [2021-06-06 09:53:35,856 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:53:35,856 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344350750] [2021-06-06 09:53:35,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:53:35,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:53:36,237 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:53:36,238 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:53:36,238 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344350750] [2021-06-06 09:53:36,238 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344350750] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:53:36,238 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [341201532] [2021-06-06 09:53:36,238 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 09:53:36,291 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-06-06 09:53:36,291 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:53:36,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 50 conjunts are in the unsatisfiable core [2021-06-06 09:53:36,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:53:36,397 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:36,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:53:36,398 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:53:36,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:53:36,400 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:53:36,412 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:53:36,413 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 09:53:36,413 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-06-06 09:53:36,629 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:36,629 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 16 treesize of output 12 [2021-06-06 09:53:36,630 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:53:36,632 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 15 treesize of output 11 [2021-06-06 09:53:36,632 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:53:36,647 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-06 09:53:36,647 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 09:53:36,655 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 09:53:36,655 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-06 09:53:36,687 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:53:36,687 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [341201532] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:53:36,687 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:53:36,687 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 34 [2021-06-06 09:53:36,687 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214169707] [2021-06-06 09:53:36,688 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-06-06 09:53:36,688 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:53:36,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-06-06 09:53:36,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1036, Unknown=0, NotChecked=0, Total=1122 [2021-06-06 09:53:36,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:53:36,688 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:53:36,689 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 34 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 09:53:36,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:53:36,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:53:36,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:53:36,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:53:36,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:53:36,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:53:36,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:53:36,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:53:36,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:53:36,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:53:36,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:53:36,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:53:36,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:53:36,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:53:36,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:53:36,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:53:36,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:53:36,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:53:36,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:53:36,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:53:36,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:53:36,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:53:36,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:53:36,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:53:36,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:53:36,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:53:36,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:53:36,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:53:36,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:53:36,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:53:36,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:53:36,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:53:36,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:53:36,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:53:36,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:53:36,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:53:36,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:53:36,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:53:36,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:53:36,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:53:36,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 09:53:36,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:53:36,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 09:53:36,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-06-06 09:53:36,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:53:36,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:53:36,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:53:38,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:53:38,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:53:38,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:53:38,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:53:38,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:53:38,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:53:38,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:53:38,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:53:38,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:53:38,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:53:38,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:53:38,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:53:38,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:53:38,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:53:38,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:53:38,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:53:38,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:53:38,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:53:38,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:53:38,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:53:38,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:53:38,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:53:38,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:53:38,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:53:38,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:53:38,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:53:38,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:53:38,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:53:38,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:53:38,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:53:38,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:53:38,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:53:38,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:53:38,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:53:38,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:53:38,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:53:38,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:53:38,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:53:38,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:53:38,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:53:38,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 09:53:38,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:53:38,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 09:53:38,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-06-06 09:53:38,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:53:38,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:53:38,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:53:38,277 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable757,48 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:53:38,278 INFO L430 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:53:38,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:53:38,278 INFO L82 PathProgramCache]: Analyzing trace with hash 1992407172, now seen corresponding path program 42 times [2021-06-06 09:53:38,278 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:53:38,278 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929599053] [2021-06-06 09:53:38,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:53:38,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:53:39,256 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 09:53:39,256 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:53:39,256 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929599053] [2021-06-06 09:53:39,256 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929599053] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:53:39,256 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [40532178] [2021-06-06 09:53:39,256 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 09:53:39,314 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-06 09:53:39,314 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:53:39,316 WARN L261 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 116 conjunts are in the unsatisfiable core [2021-06-06 09:53:39,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:53:40,167 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2021-06-06 09:53:40,923 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2021-06-06 09:53:41,455 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2021-06-06 09:53:41,977 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2021-06-06 09:53:42,588 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 251 [2021-06-06 09:53:43,184 WARN L205 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2021-06-06 09:53:43,965 WARN L205 SmtUtils]: Spent 515.00 ms on a formula simplification that was a NOOP. DAG size: 259 [2021-06-06 09:53:44,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,329 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:44,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,339 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:44,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,342 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:44,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,348 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:44,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,352 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:44,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,357 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:44,358 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:44,365 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:44,381 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:44,385 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:44,391 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:44,398 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:44,402 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:44,403 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:44,404 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 09:53:44,405 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:53:44,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,417 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:44,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,427 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:44,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,430 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:44,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,435 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:44,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,439 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:44,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,444 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:44,445 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:44,446 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 09:53:44,448 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:53:44,978 WARN L205 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 163 [2021-06-06 09:53:44,978 INFO L628 ElimStorePlain]: treesize reduction 6, result has 99.2 percent of original size [2021-06-06 09:53:44,985 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:44,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,992 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:44,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,997 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:44,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:44,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,002 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:45,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,005 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:45,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,009 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:45,010 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:45,012 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:45,022 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:45,029 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:45,035 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:45,038 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:45,042 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:45,044 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:45,044 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 09:53:45,046 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:53:45,053 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:45,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,060 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:45,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,065 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:45,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,070 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:45,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,073 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:45,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,077 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:45,078 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:45,078 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 09:53:45,080 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:53:45,293 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2021-06-06 09:53:45,293 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:53:45,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,300 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:45,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,309 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:45,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,315 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:45,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,317 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:45,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,322 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:45,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,323 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:45,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,324 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:45,325 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:45,335 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:45,346 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:45,347 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:45,355 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:45,356 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:45,357 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:45,358 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 09:53:45,359 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 09:53:45,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,366 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:45,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,375 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:45,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,381 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:45,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,383 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:45,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,388 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:45,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,389 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:45,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:53:45,390 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:45,391 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 09:53:45,392 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 09:53:45,560 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2021-06-06 09:53:45,560 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:53:45,570 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 09:53:45,570 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:878, output treesize:522 [2021-06-06 09:53:45,911 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 149 [2021-06-06 09:53:47,071 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 178 [2021-06-06 09:53:47,546 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 178 [2021-06-06 09:53:48,033 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 178 [2021-06-06 09:53:48,593 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 178 [2021-06-06 09:53:49,225 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 178 [2021-06-06 09:53:49,772 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 178 [2021-06-06 09:53:50,058 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_209, array_4, v_prenex_211, v_prenex_213, v_prenex_215], 28=[v_prenex_208, array_0, v_prenex_210, v_prenex_212, v_prenex_214]} [2021-06-06 09:53:50,082 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 79 treesize of output 61 [2021-06-06 09:53:50,085 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:53:50,092 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 09:53:50,095 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-06 09:53:50,475 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 192 [2021-06-06 09:53:50,475 INFO L628 ElimStorePlain]: treesize reduction 206, result has 73.1 percent of original size [2021-06-06 09:53:50,498 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 09:53:50,501 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:53:50,509 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 83 treesize of output 65 [2021-06-06 09:53:50,512 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:53:50,640 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2021-06-06 09:53:50,640 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:53:50,646 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 09:53:50,648 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2021-06-06 09:53:50,769 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2021-06-06 09:53:50,769 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:53:50,794 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 72 treesize of output 56 [2021-06-06 09:53:50,796 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 09:53:50,802 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 74 treesize of output 58 [2021-06-06 09:53:50,804 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 09:53:50,885 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:53:50,890 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 62 treesize of output 48 [2021-06-06 09:53:50,893 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 09:53:50,960 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:53:50,965 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:50,965 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:50,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:53:50,966 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 09:53:50,970 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:50,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:53:50,971 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 09:53:50,980 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:53:51,043 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:53:51,048 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:51,048 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:51,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:53:51,049 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 09:53:51,053 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:51,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:53:51,054 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 09:53:51,116 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:53:51,121 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:51,122 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:51,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:53:51,123 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 09:53:51,126 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:51,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:53:51,127 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 09:53:51,136 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:53:51,195 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:53:51,200 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:51,200 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:51,201 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 10 treesize of output 5 [2021-06-06 09:53:51,201 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-06 09:53:51,205 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:53:51,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:53:51,206 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-06 09:53:51,264 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:53:51,265 INFO L518 ElimStorePlain]: Eliminatee v_prenex_214 vanished before elimination [2021-06-06 09:53:51,286 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 09:53:51,286 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 15 variables, input treesize:870, output treesize:81 [2021-06-06 09:53:51,432 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 09:53:51,432 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [40532178] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:53:51,432 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:53:51,432 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 27] total 52 [2021-06-06 09:53:51,432 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891449092] [2021-06-06 09:53:51,432 INFO L462 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-06-06 09:53:51,433 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:53:51,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-06-06 09:53:51,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=2506, Unknown=0, NotChecked=0, Total=2652 [2021-06-06 09:53:51,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:53:51,434 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:53:51,434 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 52 states, 52 states have (on average 1.2884615384615385) internal successors, (67), 52 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 09:53:51,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:53:51,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:53:51,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:53:51,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:53:51,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:53:51,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:53:51,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:53:51,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:53:51,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:53:51,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:53:51,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:53:51,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:53:51,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:53:51,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:53:51,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:53:51,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:53:51,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:53:51,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:53:51,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:53:51,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:53:51,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:53:51,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:53:51,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:53:51,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:53:51,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:53:51,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:53:51,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:53:51,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:53:51,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:53:51,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:53:51,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:53:51,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:53:51,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:53:51,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:53:51,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:53:51,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:53:51,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:53:51,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:53:51,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:53:51,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:53:51,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 09:53:51,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:53:51,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 09:53:51,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-06-06 09:53:51,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:53:51,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:53:51,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:53:51,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:53:54,506 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2021-06-06 09:53:54,912 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 140 [2021-06-06 09:53:55,647 WARN L205 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 253 [2021-06-06 09:53:56,550 WARN L205 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 257 [2021-06-06 09:53:57,644 WARN L205 SmtUtils]: Spent 922.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 164 [2021-06-06 09:53:58,825 WARN L205 SmtUtils]: Spent 973.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 269 [2021-06-06 09:54:00,165 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 202 DAG size of output: 172 [2021-06-06 09:54:01,539 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 307 DAG size of output: 277 [2021-06-06 09:54:02,255 WARN L205 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 211 [2021-06-06 09:54:02,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:54:02,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:54:02,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:54:02,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:54:02,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:54:02,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:54:02,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:54:02,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:54:02,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:54:02,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:54:02,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:54:02,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:54:02,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:54:02,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:54:02,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:54:02,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:54:02,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:54:02,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:54:02,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:54:02,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:54:02,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:54:02,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:54:02,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:54:02,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:54:02,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:54:02,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:54:02,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:54:02,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:54:02,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:54:02,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:54:02,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:54:02,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:54:02,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:54:02,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:54:02,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:54:02,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:54:02,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:54:02,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:54:02,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:54:02,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:54:02,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 09:54:02,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:54:02,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 09:54:02,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-06-06 09:54:02,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:54:02,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:54:02,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:54:02,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:54:02,835 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable760 [2021-06-06 09:54:02,835 INFO L430 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:54:02,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:54:02,835 INFO L82 PathProgramCache]: Analyzing trace with hash 1425792356, now seen corresponding path program 43 times [2021-06-06 09:54:02,835 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:54:02,835 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983413895] [2021-06-06 09:54:02,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:54:02,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:54:03,502 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 09:54:03,503 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:54:03,503 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983413895] [2021-06-06 09:54:03,503 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983413895] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:54:03,503 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1680331690] [2021-06-06 09:54:03,503 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 09:54:03,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:54:03,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 76 conjunts are in the unsatisfiable core [2021-06-06 09:54:03,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:54:05,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,692 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:54:05,711 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:54:05,711 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 09:54:05,714 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:54:05,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,730 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:54:05,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,748 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:54:05,754 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 82 treesize of output 54 [2021-06-06 09:54:05,758 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:54:05,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,781 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:54:05,800 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:54:05,800 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 82 treesize of output 54 [2021-06-06 09:54:05,803 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:54:05,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,820 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:54:05,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,838 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:54:05,840 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 92 treesize of output 62 [2021-06-06 09:54:05,843 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:54:05,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,861 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:54:05,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,878 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:54:05,881 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 09:54:05,885 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 09:54:05,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,919 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:54:05,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:05,923 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 09:54:05,925 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 09:54:06,034 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2021-06-06 09:54:06,035 INFO L628 ElimStorePlain]: treesize reduction 2, result has 98.5 percent of original size [2021-06-06 09:54:06,038 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 09:54:06,038 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:589, output treesize:125 [2021-06-06 09:54:06,904 INFO L446 ElimStorePlain]: Different costs {0=[array_4], 1=[array_0]} [2021-06-06 09:54:06,907 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 09:54:06,908 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:54:06,910 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 09:54:06,911 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-06 09:54:06,936 INFO L628 ElimStorePlain]: treesize reduction 41, result has 43.1 percent of original size [2021-06-06 09:54:06,937 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:54:06,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:54:06,938 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:54:06,945 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:54:06,946 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 09:54:06,946 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:68, output treesize:11 [2021-06-06 09:54:07,008 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 09:54:07,009 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1680331690] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:54:07,009 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:54:07,009 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 53 [2021-06-06 09:54:07,009 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074028821] [2021-06-06 09:54:07,009 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-06-06 09:54:07,009 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:54:07,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-06-06 09:54:07,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=2601, Unknown=0, NotChecked=0, Total=2756 [2021-06-06 09:54:07,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:54:07,010 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:54:07,011 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 1.3018867924528301) internal successors, (69), 53 states have internal predecessors, (69), 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 09:54:07,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:54:07,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:54:07,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:54:07,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:54:07,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:54:07,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:54:07,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:54:07,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:54:07,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:54:07,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:54:07,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:54:07,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:54:07,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:54:07,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:54:07,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:54:07,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:54:07,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:54:07,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:54:07,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:54:07,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:54:07,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:54:07,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:54:07,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:54:07,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:54:07,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:54:07,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:54:07,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:54:07,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:54:07,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:54:07,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:54:07,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:54:07,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:54:07,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:54:07,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:54:07,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:54:07,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:54:07,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:54:07,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:54:07,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:54:07,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:54:07,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 09:54:07,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:54:07,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 09:54:07,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-06-06 09:54:07,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:54:07,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:54:07,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:54:07,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:54:07,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:54:11,024 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 65 [2021-06-06 09:54:11,370 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 103 [2021-06-06 09:54:11,687 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 103 [2021-06-06 09:54:12,032 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 103 [2021-06-06 09:54:12,376 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 103 [2021-06-06 09:54:12,704 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 135 [2021-06-06 09:54:13,030 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 103 [2021-06-06 09:54:13,343 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 135 [2021-06-06 09:54:13,731 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 103 [2021-06-06 09:54:14,075 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 91 [2021-06-06 09:54:14,478 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 94 [2021-06-06 09:54:14,849 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 95 [2021-06-06 09:54:15,218 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 95 [2021-06-06 09:54:15,581 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 95 [2021-06-06 09:54:15,952 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 95 [2021-06-06 09:54:16,314 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 95 [2021-06-06 09:54:16,681 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 95 [2021-06-06 09:54:17,043 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 96 [2021-06-06 09:54:17,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:54:17,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:54:17,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:54:17,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:54:17,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:54:17,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:54:17,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:54:17,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:54:17,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:54:17,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:54:17,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:54:17,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:54:17,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:54:17,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:54:17,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:54:17,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:54:17,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:54:17,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:54:17,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:54:17,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:54:17,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:54:17,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:54:17,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:54:17,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:54:17,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:54:17,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:54:17,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:54:17,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:54:17,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:54:17,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:54:17,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:54:17,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:54:17,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:54:17,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:54:17,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:54:17,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:54:17,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:54:17,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:54:17,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:54:17,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:54:17,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 09:54:17,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:54:17,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 09:54:17,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-06-06 09:54:17,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:54:17,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:54:17,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:54:17,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:54:17,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 09:54:17,334 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable895 [2021-06-06 09:54:17,335 INFO L430 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:54:17,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:54:17,335 INFO L82 PathProgramCache]: Analyzing trace with hash 1907441810, now seen corresponding path program 44 times [2021-06-06 09:54:17,335 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:54:17,335 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767753055] [2021-06-06 09:54:17,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:54:17,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:54:17,898 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 09:54:17,899 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:54:17,899 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767753055] [2021-06-06 09:54:17,899 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767753055] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:54:17,899 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2141748876] [2021-06-06 09:54:17,899 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 09:54:17,946 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 09:54:17,946 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:54:17,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 56 conjunts are in the unsatisfiable core [2021-06-06 09:54:17,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:54:18,263 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 09:54:18,264 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:54:18,267 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 8 treesize of output 6 [2021-06-06 09:54:18,267 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:54:18,270 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 09:54:18,271 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:54:18,273 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 09:54:18,273 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:54:18,276 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:54:18,276 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 17 treesize of output 13 [2021-06-06 09:54:18,277 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 09:54:18,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:54:18,279 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 09:54:18,310 INFO L628 ElimStorePlain]: treesize reduction 22, result has 59.3 percent of original size [2021-06-06 09:54:18,311 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-06 09:54:18,311 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:107, output treesize:32 [2021-06-06 09:54:18,656 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:54:18,656 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 17 treesize of output 13 [2021-06-06 09:54:18,657 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:54:18,659 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 09:54:18,660 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:54:18,662 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:54:18,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:54:18,663 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:54:18,664 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 09:54:18,665 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:54:18,680 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-06-06 09:54:18,680 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 09:54:18,681 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 09:54:18,681 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-06 09:54:18,725 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 09:54:18,725 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2141748876] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:54:18,725 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:54:18,725 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 45 [2021-06-06 09:54:18,725 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917821456] [2021-06-06 09:54:18,726 INFO L462 AbstractCegarLoop]: Interpolant automaton has 45 states [2021-06-06 09:54:18,726 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:54:18,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2021-06-06 09:54:18,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=1862, Unknown=0, NotChecked=0, Total=1980 [2021-06-06 09:54:18,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:54:18,726 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:54:18,726 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 45 states, 45 states have (on average 1.2666666666666666) internal successors, (57), 45 states have internal predecessors, (57), 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 09:54:18,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:54:18,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:54:18,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:54:18,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:54:18,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:54:18,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:54:18,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:54:18,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:54:18,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:54:18,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:54:18,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:54:18,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:54:18,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:54:18,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:54:18,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:54:18,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:54:18,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:54:18,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:54:18,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:54:18,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:54:18,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:54:18,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:54:18,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:54:18,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:54:18,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:54:18,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:54:18,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:54:18,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:54:18,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:54:18,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:54:18,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:54:18,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:54:18,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:54:18,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:54:18,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:54:18,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:54:18,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:54:18,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:54:18,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:54:18,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:54:18,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 09:54:18,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:54:18,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 09:54:18,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-06-06 09:54:18,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:54:18,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:54:18,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:54:18,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:54:18,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-06 09:54:18,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:54:23,333 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 243 DAG size of output: 229 [2021-06-06 09:54:24,798 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 269 DAG size of output: 255 [2021-06-06 09:54:26,355 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 269 DAG size of output: 255 [2021-06-06 09:54:28,452 WARN L205 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 269 DAG size of output: 255 [2021-06-06 09:54:30,027 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 269 DAG size of output: 255 [2021-06-06 09:54:31,627 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 269 DAG size of output: 255 [2021-06-06 09:54:33,085 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 269 DAG size of output: 255 [2021-06-06 09:54:33,944 WARN L205 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2021-06-06 09:54:34,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:54:34,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:54:34,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:54:34,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:54:34,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:54:34,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:54:34,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:54:34,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:54:34,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:54:34,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:54:34,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:54:34,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:54:34,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:54:34,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:54:34,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:54:34,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:54:34,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:54:34,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:54:34,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:54:34,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:54:34,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:54:34,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:54:34,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:54:34,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:54:34,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:54:34,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:54:34,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:54:34,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:54:34,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:54:34,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:54:34,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:54:34,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:54:34,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:54:34,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:54:34,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:54:34,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:54:34,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:54:34,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:54:34,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:54:34,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:54:34,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 09:54:34,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:54:34,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 09:54:34,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-06-06 09:54:34,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:54:34,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:54:34,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:54:34,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:54:34,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 09:54:34,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 09:54:34,332 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 51 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable921 [2021-06-06 09:54:34,332 INFO L430 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:54:34,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:54:34,332 INFO L82 PathProgramCache]: Analyzing trace with hash -2002335374, now seen corresponding path program 45 times [2021-06-06 09:54:34,332 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:54:34,332 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363917732] [2021-06-06 09:54:34,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:54:34,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:54:35,033 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 09:54:35,033 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:54:35,033 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363917732] [2021-06-06 09:54:35,033 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363917732] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:54:35,033 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1149327889] [2021-06-06 09:54:35,033 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 09:54:35,088 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-06 09:54:35,088 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:54:35,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 76 conjunts are in the unsatisfiable core [2021-06-06 09:54:35,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:54:36,158 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-06-06 09:54:36,414 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-06-06 09:54:36,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,470 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:54:36,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,486 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:54:36,490 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 09:54:36,492 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:54:36,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,510 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:54:36,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,527 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:54:36,529 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 83 treesize of output 55 [2021-06-06 09:54:36,531 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:54:36,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,545 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:54:36,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,561 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:54:36,569 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 09:54:36,572 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-06 09:54:36,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,586 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:54:36,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:54:36,591 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 09:54:36,594 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:54:36,638 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:54:36,643 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 09:54:36,643 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:401, output treesize:125 [2021-06-06 09:54:38,167 INFO L446 ElimStorePlain]: Different costs {1=[array_4], 21=[array_0]} [2021-06-06 09:54:38,172 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:54:38,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:54:38,173 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:54:38,178 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:54:38,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:54:38,179 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:54:38,183 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:54:38,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:54:38,185 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:54:38,189 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:54:38,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:54:38,190 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:54:38,195 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:54:38,195 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 25 treesize of output 19 [2021-06-06 09:54:38,196 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 09:54:38,200 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:54:38,201 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 28 treesize of output 22 [2021-06-06 09:54:38,202 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 09:54:38,206 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:54:38,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:54:38,207 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 09:54:38,212 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:54:38,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:54:38,214 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 09:54:38,218 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:54:38,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:54:38,219 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 09:54:38,224 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:54:38,224 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:54:38,225 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 09:54:38,230 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:54:38,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:54:38,231 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 09:54:38,234 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 16 treesize of output 12 [2021-06-06 09:54:38,235 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 09:54:38,405 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 52 [2021-06-06 09:54:38,405 INFO L628 ElimStorePlain]: treesize reduction 95, result has 62.3 percent of original size [2021-06-06 09:54:38,410 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:54:38,410 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:54:38,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:54:38,411 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 09:54:38,415 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:54:38,415 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:54:38,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 09:54:38,416 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 09:54:38,420 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:54:38,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:54:38,421 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-06 09:54:38,490 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:54:38,493 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 09:54:38,494 INFO L247 ElimStorePlain]: Needed 16 recursive calls to eliminate 8 variables, input treesize:395, output treesize:76 [2021-06-06 09:54:38,663 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 09:54:38,663 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1149327889] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:54:38,663 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:54:38,663 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 28] total 48 [2021-06-06 09:54:38,663 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698358101] [2021-06-06 09:54:38,663 INFO L462 AbstractCegarLoop]: Interpolant automaton has 48 states [2021-06-06 09:54:38,663 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:54:38,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2021-06-06 09:54:38,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=2146, Unknown=0, NotChecked=0, Total=2256 [2021-06-06 09:54:38,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:54:38,664 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:54:38,664 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 48 states, 48 states have (on average 1.3125) internal successors, (63), 48 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 09:54:38,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:54:38,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:54:38,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:54:38,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:54:38,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:54:38,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:54:38,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:54:38,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:54:38,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:54:38,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:54:38,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:54:38,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:54:38,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:54:38,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:54:38,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:54:38,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:54:38,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:54:38,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:54:38,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:54:38,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:54:38,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:54:38,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:54:38,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:54:38,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:54:38,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:54:38,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:54:38,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:54:38,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:54:38,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:54:38,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:54:38,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:54:38,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:54:38,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:54:38,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:54:38,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:54:38,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:54:38,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:54:38,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:54:38,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:54:38,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:54:38,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 09:54:38,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:54:38,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 09:54:38,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-06-06 09:54:38,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:54:38,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:54:38,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:54:38,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:54:38,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-06 09:54:38,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 09:54:38,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:54:41,056 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 56 [2021-06-06 09:54:41,289 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 61 [2021-06-06 09:54:41,525 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 66 [2021-06-06 09:54:41,774 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 71 [2021-06-06 09:54:42,002 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2021-06-06 09:54:42,376 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 104 [2021-06-06 09:54:42,859 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 115 [2021-06-06 09:54:43,292 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 123 [2021-06-06 09:54:43,717 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 116 [2021-06-06 09:54:44,150 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 116 [2021-06-06 09:54:44,559 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 116 [2021-06-06 09:54:44,976 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 123 [2021-06-06 09:54:45,429 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 123 [2021-06-06 09:54:45,895 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 119 [2021-06-06 09:54:46,567 WARN L205 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 186 [2021-06-06 09:54:46,925 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 97 [2021-06-06 09:54:47,158 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2021-06-06 09:54:47,389 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2021-06-06 09:54:47,624 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2021-06-06 09:54:47,858 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2021-06-06 09:54:48,092 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2021-06-06 09:54:48,327 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2021-06-06 09:54:48,553 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 93 [2021-06-06 09:54:49,036 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 172 [2021-06-06 09:54:49,762 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 60 [2021-06-06 09:54:50,076 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 60 [2021-06-06 09:54:50,272 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 65 [2021-06-06 09:54:50,478 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 70 [2021-06-06 09:54:50,687 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 75 [2021-06-06 09:54:50,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:54:50,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:54:50,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:54:50,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:54:50,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:54:50,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:54:50,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:54:50,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:54:50,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:54:50,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:54:50,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:54:50,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:54:50,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:54:50,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:54:50,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:54:50,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:54:50,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:54:50,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:54:50,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:54:50,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:54:50,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:54:50,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:54:50,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:54:50,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:54:50,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:54:50,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:54:50,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:54:50,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:54:50,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:54:50,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:54:50,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:54:50,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:54:50,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:54:50,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:54:50,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:54:50,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:54:50,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:54:50,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:54:50,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:54:50,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:54:50,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 09:54:50,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:54:50,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 09:54:50,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-06-06 09:54:50,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:54:50,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:54:50,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:54:50,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:54:50,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 09:54:50,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 09:54:50,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:54:51,198 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable930 [2021-06-06 09:54:51,199 INFO L430 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:54:51,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:54:51,199 INFO L82 PathProgramCache]: Analyzing trace with hash 625211748, now seen corresponding path program 46 times [2021-06-06 09:54:51,199 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:54:51,199 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977388498] [2021-06-06 09:54:51,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:54:51,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:54:51,602 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 09:54:51,602 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:54:51,602 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977388498] [2021-06-06 09:54:51,602 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977388498] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:54:51,602 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [834282921] [2021-06-06 09:54:51,602 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 09:54:51,658 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 09:54:51,658 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:54:51,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 50 conjunts are in the unsatisfiable core [2021-06-06 09:54:51,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:54:51,802 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:54:51,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:54:51,803 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:54:51,805 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 09:54:51,806 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:54:51,821 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:54:51,822 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 09:54:51,822 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-06-06 09:54:52,100 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 09:54:52,101 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:54:52,104 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:54:52,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:54:52,105 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:54:52,108 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:54:52,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:54:52,110 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:54:52,112 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 09:54:52,113 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:54:52,138 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-06-06 09:54:52,138 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 09:54:52,139 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 09:54:52,139 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-06 09:54:52,182 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 09:54:52,182 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [834282921] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:54:52,182 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:54:52,182 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 34 [2021-06-06 09:54:52,183 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392189538] [2021-06-06 09:54:52,183 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-06-06 09:54:52,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:54:52,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-06-06 09:54:52,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1036, Unknown=0, NotChecked=0, Total=1122 [2021-06-06 09:54:52,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:54:52,184 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:54:52,184 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 34 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 09:54:52,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:54:52,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:54:52,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:54:52,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:54:52,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:54:52,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:54:52,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:54:52,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:54:52,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:54:52,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:54:52,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:54:52,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:54:52,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:54:52,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:54:52,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:54:52,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:54:52,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:54:52,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:54:52,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:54:52,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:54:52,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:54:52,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:54:52,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:54:52,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:54:52,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:54:52,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:54:52,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:54:52,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:54:52,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:54:52,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:54:52,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:54:52,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:54:52,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:54:52,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:54:52,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:54:52,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:54:52,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:54:52,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:54:52,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:54:52,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:54:52,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 09:54:52,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:54:52,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 09:54:52,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-06-06 09:54:52,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:54:52,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:54:52,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:54:52,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:54:52,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-06 09:54:52,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 09:54:52,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:54:52,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:54:58,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:54:58,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:54:58,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:54:58,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:54:58,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:54:58,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:54:58,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:54:58,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:54:58,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:54:58,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:54:58,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:54:58,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:54:58,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:54:58,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:54:58,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:54:58,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:54:58,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:54:58,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:54:58,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:54:58,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:54:58,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:54:58,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:54:58,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:54:58,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:54:58,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:54:58,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:54:58,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:54:58,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:54:58,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:54:58,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:54:58,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:54:58,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:54:58,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:54:58,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:54:58,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:54:58,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:54:58,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:54:58,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:54:58,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:54:58,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:54:58,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 09:54:58,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:54:58,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 09:54:58,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-06 09:54:58,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:54:58,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 09:54:58,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:54:58,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:54:58,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 09:54:58,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 09:54:58,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:54:58,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:54:58,463 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable968,53 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:54:58,463 INFO L430 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:54:58,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:54:58,463 INFO L82 PathProgramCache]: Analyzing trace with hash 598180346, now seen corresponding path program 47 times [2021-06-06 09:54:58,463 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:54:58,463 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456773298] [2021-06-06 09:54:58,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:54:58,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:54:59,119 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 09:54:59,119 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:54:59,119 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456773298] [2021-06-06 09:54:59,119 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456773298] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:54:59,119 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1947421833] [2021-06-06 09:54:59,120 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 09:54:59,190 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-06-06 09:54:59,190 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:54:59,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 76 conjunts are in the unsatisfiable core [2021-06-06 09:54:59,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:54:59,368 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 15 treesize of output 11 [2021-06-06 09:54:59,369 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:54:59,371 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 09:54:59,372 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:54:59,382 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:54:59,383 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 09:54:59,383 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:39, output treesize:25 [2021-06-06 09:54:59,953 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:54:59,962 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 09:54:59,964 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-06 09:54:59,973 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:54:59,981 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 67 treesize of output 49 [2021-06-06 09:54:59,984 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:54:59,993 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:55:00,001 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 57 treesize of output 41 [2021-06-06 09:55:00,003 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:55:00,006 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 09:55:00,006 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:55:00,048 INFO L628 ElimStorePlain]: treesize reduction 32, result has 65.2 percent of original size [2021-06-06 09:55:00,051 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:55:00,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:55:00,052 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 09:55:00,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:55:00,055 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 09:55:00,062 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:55:00,080 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:55:00,081 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 09:55:00,081 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:293, output treesize:38 [2021-06-06 09:55:00,188 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 09:55:00,188 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1947421833] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:55:00,188 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:55:00,188 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 28] total 39 [2021-06-06 09:55:00,189 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981853121] [2021-06-06 09:55:00,189 INFO L462 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-06-06 09:55:00,189 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:55:00,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-06-06 09:55:00,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=1380, Unknown=0, NotChecked=0, Total=1482 [2021-06-06 09:55:00,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:55:00,189 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:55:00,189 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 1.358974358974359) internal successors, (53), 39 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 09:55:00,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:55:00,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:55:00,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:55:00,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:55:00,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:55:00,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:55:00,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:55:00,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:55:00,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:55:00,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:55:00,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:55:00,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:55:00,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:55:00,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:55:00,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:55:00,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:55:00,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:55:00,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:55:00,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:55:00,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:55:00,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:55:00,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:55:00,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:55:00,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:55:00,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:55:00,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:55:00,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:55:00,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:55:00,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:55:00,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:55:00,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:55:00,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:55:00,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:55:00,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:55:00,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:55:00,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:55:00,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:55:00,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:55:00,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:55:00,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:55:00,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 09:55:00,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:55:00,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 09:55:00,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-06 09:55:00,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:55:00,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 09:55:00,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:55:00,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:55:00,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-06 09:55:00,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 09:55:00,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:55:00,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:55:00,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:55:01,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:55:01,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:55:01,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:55:01,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:55:01,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:55:01,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:55:01,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:55:01,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:55:01,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:55:01,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:55:01,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:55:01,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:55:01,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:55:01,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:55:01,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:55:01,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:55:01,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:55:01,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:55:01,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:55:01,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:55:01,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:55:01,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:55:01,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:55:01,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:55:01,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:55:01,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:55:01,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:55:01,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:55:01,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:55:01,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:55:01,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:55:01,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:55:01,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:55:01,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:55:01,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:55:01,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:55:01,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:55:01,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:55:01,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:55:01,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:55:01,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 09:55:01,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:55:01,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 09:55:01,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-06 09:55:01,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:55:01,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 09:55:01,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:55:01,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:55:01,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 09:55:01,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 09:55:01,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:55:01,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:55:01,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:55:02,150 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 54 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable975 [2021-06-06 09:55:02,150 INFO L430 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:55:02,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:55:02,150 INFO L82 PathProgramCache]: Analyzing trace with hash 1154433710, now seen corresponding path program 48 times [2021-06-06 09:55:02,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:55:02,151 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919827402] [2021-06-06 09:55:02,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:55:02,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:55:02,701 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:55:02,702 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:55:02,702 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919827402] [2021-06-06 09:55:02,702 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919827402] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:55:02,702 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [322811609] [2021-06-06 09:55:02,702 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 09:55:02,773 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-06 09:55:02,773 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:55:02,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 56 conjunts are in the unsatisfiable core [2021-06-06 09:55:02,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:55:02,912 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 09:55:02,913 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:55:02,914 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 09:55:02,915 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:55:02,928 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:55:02,929 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 09:55:02,929 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-06-06 09:55:03,205 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:55:03,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:55:03,206 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:55:03,208 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 15 treesize of output 11 [2021-06-06 09:55:03,208 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:55:03,224 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-06 09:55:03,224 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 09:55:03,225 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 09:55:03,225 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-06 09:55:03,261 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:55:03,261 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [322811609] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:55:03,261 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:55:03,261 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 38 [2021-06-06 09:55:03,261 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243827469] [2021-06-06 09:55:03,261 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-06-06 09:55:03,261 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:55:03,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-06-06 09:55:03,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=1309, Unknown=0, NotChecked=0, Total=1406 [2021-06-06 09:55:03,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:55:03,262 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:55:03,262 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 1.3157894736842106) internal successors, (50), 38 states have internal predecessors, (50), 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 09:55:03,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:55:03,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:55:03,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:55:03,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:55:03,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:55:03,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:55:03,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:55:03,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:55:03,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:55:03,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:55:03,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:55:03,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:55:03,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:55:03,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:55:03,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:55:03,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:55:03,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:55:03,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:55:03,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:55:03,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:55:03,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:55:03,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:55:03,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:55:03,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:55:03,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:55:03,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:55:03,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:55:03,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:55:03,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:55:03,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:55:03,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:55:03,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:55:03,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:55:03,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:55:03,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:55:03,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:55:03,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:55:03,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:55:03,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:55:03,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:55:03,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 09:55:03,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:55:03,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 09:55:03,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-06 09:55:03,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:55:03,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 09:55:03,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:55:03,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:55:03,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-06 09:55:03,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 09:55:03,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:55:03,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:55:03,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:55:03,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:55:05,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:55:05,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:55:05,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:55:05,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:55:05,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:55:05,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:55:05,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:55:05,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:55:05,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:55:05,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:55:05,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:55:05,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:55:05,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:55:05,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:55:05,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:55:05,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:55:05,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:55:05,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:55:05,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:55:05,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:55:05,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:55:05,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:55:05,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:55:05,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:55:05,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:55:05,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:55:05,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:55:05,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:55:05,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:55:05,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:55:05,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:55:05,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:55:05,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:55:05,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:55:05,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:55:05,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:55:05,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:55:05,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:55:05,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:55:05,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:55:05,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 09:55:05,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:55:05,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 09:55:05,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-06 09:55:05,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:55:05,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 09:55:05,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:55:05,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:55:05,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 09:55:05,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 09:55:05,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:55:05,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:55:05,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:55:05,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:55:05,372 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable990,55 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:55:05,372 INFO L430 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:55:05,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:55:05,373 INFO L82 PathProgramCache]: Analyzing trace with hash 2085258376, now seen corresponding path program 49 times [2021-06-06 09:55:05,373 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:55:05,373 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390529100] [2021-06-06 09:55:05,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:55:05,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:55:07,085 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 09:55:07,085 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:55:07,085 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390529100] [2021-06-06 09:55:07,085 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390529100] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:55:07,086 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [362711370] [2021-06-06 09:55:07,086 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 09:55:07,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:55:07,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 107 conjunts are in the unsatisfiable core [2021-06-06 09:55:07,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:55:09,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,609 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:55:09,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,633 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:55:09,634 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 09:55:09,637 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:55:09,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,662 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:55:09,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,663 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 09:55:09,667 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-06 09:55:09,744 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:55:09,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,769 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:55:09,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,792 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:55:09,793 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 09:55:09,796 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:55:09,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,818 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:55:09,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:09,821 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 09:55:09,824 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:55:09,860 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:55:09,865 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 09:55:09,865 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:427, output treesize:107 [2021-06-06 09:55:10,788 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-06-06 09:55:11,141 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-06-06 09:55:11,555 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-06-06 09:55:12,038 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-06-06 09:55:12,644 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-06-06 09:55:13,249 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-06-06 09:55:13,933 WARN L205 SmtUtils]: Spent 454.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-06-06 09:55:14,054 INFO L446 ElimStorePlain]: Different costs {36=[array_4], 153=[array_0]} [2021-06-06 09:55:14,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,085 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:55:14,100 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 112 treesize of output 76 [2021-06-06 09:55:14,104 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-06-06 09:55:14,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,138 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:55:14,153 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 09:55:14,156 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:55:14,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,188 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:55:14,204 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 105 treesize of output 71 [2021-06-06 09:55:14,207 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-06 09:55:14,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,240 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:55:14,254 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 09:55:14,257 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:55:14,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,296 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:55:14,316 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 09:55:14,319 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 09:55:14,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,353 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:55:14,368 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 95 treesize of output 63 [2021-06-06 09:55:14,371 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 09:55:14,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,405 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:55:14,420 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 09:55:14,423 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 09:55:14,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,456 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:55:14,471 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 09:55:14,474 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 09:55:14,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,507 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:55:14,521 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 09:55:14,524 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 2 xjuncts. [2021-06-06 09:55:14,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:14,549 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 114 treesize of output 78 [2021-06-06 09:55:14,553 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 2 xjuncts. [2021-06-06 09:55:14,865 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 96 [2021-06-06 09:55:14,866 INFO L628 ElimStorePlain]: treesize reduction 146, result has 71.4 percent of original size [2021-06-06 09:55:14,872 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:55:14,872 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:55:14,872 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 21 treesize of output 7 [2021-06-06 09:55:14,873 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 09:55:14,878 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:55:14,879 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:55:14,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:55:14,880 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 09:55:14,889 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:55:14,894 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:55:14,894 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:55:14,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:55:14,895 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 09:55:14,900 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:55:14,901 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:55:14,901 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 44 treesize of output 19 [2021-06-06 09:55:14,902 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 09:55:14,915 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:55:14,921 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:55:14,922 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:55:14,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:55:14,923 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-06 09:55:14,928 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:55:14,928 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:55:14,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:55:14,929 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-06 09:55:14,934 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:55:14,935 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:55:14,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:55:14,935 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-06 09:55:14,940 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:55:14,940 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:55:14,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:55:14,941 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-06 09:55:14,950 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:55:14,956 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:55:14,956 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:55:14,956 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 9 treesize of output 3 [2021-06-06 09:55:14,957 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-06 09:55:14,962 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:55:14,962 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:55:14,963 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 09:55:14,963 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-06 09:55:14,969 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:55:14,970 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 21 treesize of output 7 [2021-06-06 09:55:14,971 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-06 09:55:14,982 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:55:15,091 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-06-06 09:55:15,091 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:55:15,096 INFO L550 ElimStorePlain]: Start of recursive call 1: 10 dim-0 vars, 2 dim-1 vars, End of recursive call: and 8 xjuncts. [2021-06-06 09:55:15,096 INFO L247 ElimStorePlain]: Needed 22 recursive calls to eliminate 12 variables, input treesize:1181, output treesize:185 [2021-06-06 09:55:15,338 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2021-06-06 09:55:15,471 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 09:55:15,472 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [362711370] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:55:15,472 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:55:15,472 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 30] total 59 [2021-06-06 09:55:15,472 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369122965] [2021-06-06 09:55:15,472 INFO L462 AbstractCegarLoop]: Interpolant automaton has 59 states [2021-06-06 09:55:15,472 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:55:15,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2021-06-06 09:55:15,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=3281, Unknown=0, NotChecked=0, Total=3422 [2021-06-06 09:55:15,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:55:15,473 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:55:15,474 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 09:55:15,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:55:15,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:55:15,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:55:15,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:55:15,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:55:15,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:55:15,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:55:15,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:55:15,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:55:15,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:55:15,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:55:15,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:55:15,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:55:15,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:55:15,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:55:15,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:55:15,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:55:15,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:55:15,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:55:15,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:55:15,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:55:15,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:55:15,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:55:15,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:55:15,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:55:15,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:55:15,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:55:15,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:55:15,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:55:15,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:55:15,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:55:15,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:55:15,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:55:15,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:55:15,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:55:15,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:55:15,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:55:15,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:55:15,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:55:15,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:55:15,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 09:55:15,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:55:15,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 09:55:15,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-06 09:55:15,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:55:15,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 09:55:15,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:55:15,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:55:15,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-06 09:55:15,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 09:55:15,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:55:15,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:55:15,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:55:15,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:55:15,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:55:18,880 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 122 [2021-06-06 09:55:19,164 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 125 [2021-06-06 09:55:19,467 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 123 [2021-06-06 09:55:19,801 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 125 [2021-06-06 09:55:20,098 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 122 [2021-06-06 09:55:20,418 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 123 [2021-06-06 09:55:20,711 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 123 [2021-06-06 09:55:21,038 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 123 [2021-06-06 09:55:21,496 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 126 [2021-06-06 09:55:21,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:55:21,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:55:21,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:55:21,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:55:21,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:55:21,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:55:21,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:55:21,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:55:21,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:55:21,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:55:21,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:55:21,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:55:21,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:55:21,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:55:21,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:55:21,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:55:21,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:55:21,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:55:21,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:55:21,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:55:21,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:55:21,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:55:21,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:55:21,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:55:21,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:55:21,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:55:21,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:55:21,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:55:21,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:55:21,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:55:21,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:55:21,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:55:21,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:55:21,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:55:21,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:55:21,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:55:21,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:55:21,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:55:21,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:55:21,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:55:21,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 09:55:21,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:55:21,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 09:55:21,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-06 09:55:21,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:55:21,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 09:55:21,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:55:21,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:55:21,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 09:55:21,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 09:55:21,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:55:21,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:55:21,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:55:21,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:55:21,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:55:22,009 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 56 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable993 [2021-06-06 09:55:22,009 INFO L430 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:55:22,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:55:22,010 INFO L82 PathProgramCache]: Analyzing trace with hash -226170820, now seen corresponding path program 50 times [2021-06-06 09:55:22,010 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:55:22,010 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497422524] [2021-06-06 09:55:22,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:55:22,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:55:23,052 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 09:55:23,052 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:55:23,052 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497422524] [2021-06-06 09:55:23,053 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497422524] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:55:23,053 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1624758636] [2021-06-06 09:55:23,053 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 09:55:23,103 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 09:55:23,103 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:55:23,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 85 conjunts are in the unsatisfiable core [2021-06-06 09:55:23,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:55:25,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:25,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:25,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:25,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:25,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:25,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:25,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:25,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:25,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:25,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:25,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:25,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:25,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:25,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:25,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:25,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:25,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:25,997 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:55:25,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:25,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:25,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,018 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:55:26,028 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 103 treesize of output 69 [2021-06-06 09:55:26,031 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:55:26,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,058 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:55:26,083 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:55:26,084 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 93 treesize of output 61 [2021-06-06 09:55:26,087 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:55:26,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,104 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:55:26,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,125 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:55:26,135 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 09:55:26,138 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:55:26,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,153 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:55:26,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,174 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:55:26,184 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 09:55:26,187 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:55:26,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,202 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:55:26,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,222 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:55:26,233 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 93 treesize of output 61 [2021-06-06 09:55:26,236 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 09:55:26,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:55:26,263 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:55:26,264 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 09:55:26,268 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 09:55:26,388 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2021-06-06 09:55:26,389 INFO L628 ElimStorePlain]: treesize reduction 2, result has 98.5 percent of original size [2021-06-06 09:55:26,393 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 09:55:26,393 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:655, output treesize:125 [2021-06-06 09:55:27,535 INFO L446 ElimStorePlain]: Different costs {0=[array_4, v_prenex_256], 1=[array_0, v_prenex_255]} [2021-06-06 09:55:27,538 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 09:55:27,539 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-06 09:55:27,542 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 09:55:27,543 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:55:27,592 INFO L628 ElimStorePlain]: treesize reduction 59, result has 52.0 percent of original size [2021-06-06 09:55:27,595 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 09:55:27,596 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:55:27,614 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:55:27,618 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:55:27,619 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:55:27,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:55:27,619 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:55:27,621 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:55:27,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:55:27,622 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 09:55:27,629 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:55:27,645 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:55:27,645 INFO L518 ElimStorePlain]: Eliminatee v_prenex_255 vanished before elimination [2021-06-06 09:55:27,646 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-06 09:55:27,646 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:119, output treesize:18 [2021-06-06 09:55:27,719 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 09:55:27,719 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1624758636] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:55:27,719 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:55:27,719 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 31] total 60 [2021-06-06 09:55:27,719 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978851215] [2021-06-06 09:55:27,719 INFO L462 AbstractCegarLoop]: Interpolant automaton has 60 states [2021-06-06 09:55:27,719 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:55:27,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2021-06-06 09:55:27,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=3389, Unknown=0, NotChecked=0, Total=3540 [2021-06-06 09:55:27,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:55:27,721 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:55:27,721 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 60 states, 60 states have (on average 1.25) internal successors, (75), 60 states have internal predecessors, (75), 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 09:55:27,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:55:27,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:55:27,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:55:27,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:55:27,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:55:27,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:55:27,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:55:27,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:55:27,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:55:27,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:55:27,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:55:27,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:55:27,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:55:27,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:55:27,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:55:27,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:55:27,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:55:27,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:55:27,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:55:27,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:55:27,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:55:27,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:55:27,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:55:27,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:55:27,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:55:27,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:55:27,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:55:27,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:55:27,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:55:27,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:55:27,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:55:27,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:55:27,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:55:27,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:55:27,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:55:27,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:55:27,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:55:27,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:55:27,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:55:27,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:55:27,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 09:55:27,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:55:27,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 09:55:27,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-06 09:55:27,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:55:27,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 09:55:27,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:55:27,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:55:27,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-06 09:55:27,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 09:55:27,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:55:27,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:55:27,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:55:27,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:55:27,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:55:27,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:55:30,728 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 72 [2021-06-06 09:55:31,195 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 154 [2021-06-06 09:55:31,624 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 148 [2021-06-06 09:55:32,087 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 148 [2021-06-06 09:55:32,561 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 148 [2021-06-06 09:55:33,034 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 145 [2021-06-06 09:55:33,517 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 145 [2021-06-06 09:55:33,974 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 156 [2021-06-06 09:55:34,433 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 156 [2021-06-06 09:55:35,057 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 110 [2021-06-06 09:55:35,524 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 103 [2021-06-06 09:55:36,135 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 111 [2021-06-06 09:55:36,651 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 111 [2021-06-06 09:55:37,207 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 110 [2021-06-06 09:55:37,732 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 112 [2021-06-06 09:55:38,251 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 110 [2021-06-06 09:55:38,768 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 110 [2021-06-06 09:55:39,330 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 112 [2021-06-06 09:55:39,850 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 112 [2021-06-06 09:55:40,366 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 120 [2021-06-06 09:55:40,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:55:40,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:55:40,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:55:40,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:55:40,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:55:40,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:55:40,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:55:40,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:55:40,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:55:40,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:55:40,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:55:40,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:55:40,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:55:40,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:55:40,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:55:40,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:55:40,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:55:40,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:55:40,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:55:40,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:55:40,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:55:40,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:55:40,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:55:40,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:55:40,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:55:40,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:55:40,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:55:40,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:55:40,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:55:40,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:55:40,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:55:40,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:55:40,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:55:40,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:55:40,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:55:40,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:55:40,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:55:40,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:55:40,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:55:40,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:55:40,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 09:55:40,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:55:40,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 09:55:40,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-06 09:55:40,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:55:40,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 09:55:40,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:55:40,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:55:40,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 09:55:40,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 09:55:40,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:55:40,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:55:40,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:55:40,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:55:40,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:55:40,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 09:55:40,726 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 57 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1036 [2021-06-06 09:55:40,726 INFO L430 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:55:40,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:55:40,726 INFO L82 PathProgramCache]: Analyzing trace with hash -2058776390, now seen corresponding path program 51 times [2021-06-06 09:55:40,727 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:55:40,727 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824759761] [2021-06-06 09:55:40,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:55:40,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:55:41,429 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 09:55:41,430 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:55:41,430 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824759761] [2021-06-06 09:55:41,430 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824759761] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:55:41,430 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2064984156] [2021-06-06 09:55:41,430 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 09:55:41,494 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-06-06 09:55:41,495 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:55:41,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 62 conjunts are in the unsatisfiable core [2021-06-06 09:55:41,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:55:41,901 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:55:41,902 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 16 treesize of output 12 [2021-06-06 09:55:41,902 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:55:41,905 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 7 treesize of output 5 [2021-06-06 09:55:41,905 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:55:41,908 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 09:55:41,908 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:55:41,911 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:55:41,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:55:41,912 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:55:41,914 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 09:55:41,915 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 09:55:41,917 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 09:55:41,917 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 09:55:41,947 INFO L628 ElimStorePlain]: treesize reduction 14, result has 69.6 percent of original size [2021-06-06 09:55:41,947 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-06 09:55:41,947 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:107, output treesize:32 [2021-06-06 09:55:42,338 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 09:55:42,339 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:55:42,341 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:55:42,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:55:42,342 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:55:42,344 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 09:55:42,345 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:55:42,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:55:42,348 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:55:42,365 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-06-06 09:55:42,365 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 09:55:42,366 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 09:55:42,366 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-06 09:55:42,415 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 09:55:42,415 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2064984156] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:55:42,415 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:55:42,415 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 50 [2021-06-06 09:55:42,415 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756969392] [2021-06-06 09:55:42,415 INFO L462 AbstractCegarLoop]: Interpolant automaton has 50 states [2021-06-06 09:55:42,415 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:55:42,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-06-06 09:55:42,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=2318, Unknown=0, NotChecked=0, Total=2450 [2021-06-06 09:55:42,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:55:42,416 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:55:42,417 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 50 states, 50 states have (on average 1.24) internal successors, (62), 50 states have internal predecessors, (62), 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 09:55:42,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:55:42,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:55:42,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:55:42,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:55:42,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:55:42,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:55:42,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:55:42,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:55:42,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:55:42,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:55:42,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:55:42,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:55:42,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:55:42,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:55:42,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:55:42,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:55:42,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:55:42,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:55:42,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:55:42,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:55:42,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:55:42,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:55:42,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:55:42,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:55:42,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:55:42,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:55:42,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:55:42,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:55:42,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:55:42,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:55:42,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:55:42,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:55:42,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:55:42,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:55:42,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:55:42,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:55:42,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:55:42,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:55:42,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:55:42,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:55:42,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 09:55:42,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:55:42,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 09:55:42,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-06 09:55:42,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:55:42,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 09:55:42,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:55:42,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:55:42,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-06 09:55:42,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 09:55:42,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:55:42,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:55:42,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:55:42,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:55:42,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:55:42,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 09:55:42,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:55:46,943 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 127 [2021-06-06 09:55:48,443 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 182 DAG size of output: 138 [2021-06-06 09:55:49,992 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 187 DAG size of output: 142 [2021-06-06 09:55:51,189 WARN L205 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 146 [2021-06-06 09:55:52,480 WARN L205 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 162 [2021-06-06 09:55:54,523 WARN L205 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 199 DAG size of output: 167 [2021-06-06 09:55:56,708 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 203 DAG size of output: 171 [2021-06-06 09:55:58,707 WARN L205 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 206 DAG size of output: 161 [2021-06-06 09:55:59,440 WARN L205 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 157 [2021-06-06 09:56:00,128 WARN L205 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 158 [2021-06-06 09:56:00,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:56:00,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:56:00,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:56:00,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:56:00,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:56:00,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:56:00,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:56:00,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:56:00,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:56:00,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:56:00,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:56:00,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:56:00,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:56:00,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:56:00,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:56:00,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:56:00,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:56:00,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:56:00,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:56:00,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:56:00,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:56:00,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:56:00,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:56:00,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:56:00,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:56:00,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:56:00,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:56:00,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:56:00,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:56:00,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:56:00,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:56:00,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:56:00,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:56:00,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:56:00,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:56:00,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:56:00,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:56:00,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:56:00,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:56:00,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:56:00,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 09:56:00,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:56:00,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 09:56:00,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-06 09:56:00,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:56:00,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 09:56:00,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:56:00,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:56:00,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 09:56:00,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 09:56:00,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:56:00,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:56:00,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:56:00,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:56:00,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 09:56:00,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 09:56:00,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 09:56:00,481 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1063,58 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:56:00,481 INFO L430 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:56:00,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:56:00,481 INFO L82 PathProgramCache]: Analyzing trace with hash 876051950, now seen corresponding path program 52 times [2021-06-06 09:56:00,482 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:56:00,482 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323218727] [2021-06-06 09:56:00,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:56:00,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:56:01,476 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 09:56:01,476 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:56:01,476 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323218727] [2021-06-06 09:56:01,476 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323218727] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:56:01,476 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1539109940] [2021-06-06 09:56:01,476 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 09:56:01,532 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 09:56:01,533 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:56:01,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 86 conjunts are in the unsatisfiable core [2021-06-06 09:56:01,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:56:02,375 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 66 treesize of output 48 [2021-06-06 09:56:02,379 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:56:02,403 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 64 treesize of output 46 [2021-06-06 09:56:02,406 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:56:02,428 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 74 treesize of output 54 [2021-06-06 09:56:02,431 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:56:02,453 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 09:56:02,456 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-06-06 09:56:02,479 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 64 treesize of output 46 [2021-06-06 09:56:02,482 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 09:56:02,510 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 66 treesize of output 48 [2021-06-06 09:56:02,513 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 09:56:02,517 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 74 treesize of output 54 [2021-06-06 09:56:02,521 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 09:56:02,572 INFO L628 ElimStorePlain]: treesize reduction 28, result has 77.2 percent of original size [2021-06-06 09:56:02,573 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-06-06 09:56:02,573 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 1 variables, input treesize:501, output treesize:95 [2021-06-06 09:56:03,408 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:03,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:56:03,409 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:56:03,412 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:03,412 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 25 treesize of output 19 [2021-06-06 09:56:03,413 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:56:03,416 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:03,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:56:03,417 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:56:03,420 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:03,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:56:03,422 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:56:03,425 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:03,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:56:03,426 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 09:56:03,428 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 09:56:03,429 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 09:56:03,431 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 09:56:03,432 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 09:56:03,435 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:03,435 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:56:03,436 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 09:56:03,439 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:03,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:56:03,440 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 09:56:03,442 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 09:56:03,443 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 09:56:03,446 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:03,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:56:03,447 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 09:56:03,449 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 09:56:03,449 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 09:56:03,500 INFO L628 ElimStorePlain]: treesize reduction 84, result has 42.5 percent of original size [2021-06-06 09:56:03,503 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:03,503 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 10 treesize of output 5 [2021-06-06 09:56:03,504 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 09:56:03,506 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 20 treesize of output 9 [2021-06-06 09:56:03,507 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 09:56:03,525 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:56:03,526 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2021-06-06 09:56:03,526 INFO L247 ElimStorePlain]: Needed 15 recursive calls to eliminate 2 variables, input treesize:333, output treesize:46 [2021-06-06 09:56:03,661 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 09:56:03,661 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1539109940] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:56:03,661 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:56:03,661 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 31] total 51 [2021-06-06 09:56:03,661 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919389843] [2021-06-06 09:56:03,661 INFO L462 AbstractCegarLoop]: Interpolant automaton has 51 states [2021-06-06 09:56:03,661 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:56:03,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-06-06 09:56:03,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=2416, Unknown=0, NotChecked=0, Total=2550 [2021-06-06 09:56:03,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:56:03,662 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:56:03,662 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 09:56:03,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:56:03,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:56:03,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:56:03,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:56:03,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:56:03,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:56:03,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:56:03,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:56:03,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:56:03,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:56:03,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:56:03,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:56:03,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:56:03,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:56:03,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:56:03,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:56:03,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:56:03,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:56:03,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:56:03,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:56:03,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:56:03,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:56:03,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:56:03,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:56:03,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:56:03,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:56:03,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:56:03,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:56:03,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:56:03,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:56:03,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:56:03,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:56:03,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:56:03,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:56:03,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:56:03,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:56:03,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:56:03,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:56:03,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:56:03,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:56:03,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 09:56:03,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:56:03,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 09:56:03,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-06 09:56:03,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:56:03,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 09:56:03,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:56:03,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:56:03,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-06 09:56:03,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 09:56:03,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:56:03,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:56:03,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:56:03,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:56:03,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 09:56:03,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 09:56:03,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 09:56:03,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:56:06,250 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 61 [2021-06-06 09:56:06,427 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 64 [2021-06-06 09:56:06,609 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 69 [2021-06-06 09:56:06,793 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 71 [2021-06-06 09:56:07,013 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2021-06-06 09:56:07,210 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2021-06-06 09:56:07,528 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 56 [2021-06-06 09:56:07,706 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 57 [2021-06-06 09:56:07,896 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 57 [2021-06-06 09:56:08,074 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 57 [2021-06-06 09:56:08,252 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 57 [2021-06-06 09:56:08,449 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 57 [2021-06-06 09:56:08,626 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 57 [2021-06-06 09:56:08,805 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 57 [2021-06-06 09:56:09,034 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 66 [2021-06-06 09:56:09,433 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 147 [2021-06-06 09:56:11,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:56:11,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:56:11,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:56:11,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:56:11,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:56:11,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:56:11,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:56:11,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:56:11,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:56:11,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:56:11,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:56:11,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:56:11,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:56:11,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:56:11,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:56:11,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:56:11,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:56:11,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:56:11,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:56:11,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:56:11,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:56:11,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:56:11,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:56:11,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:56:11,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:56:11,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:56:11,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:56:11,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:56:11,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:56:11,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:56:11,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:56:11,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:56:11,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:56:11,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:56:11,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:56:11,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:56:11,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:56:11,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:56:11,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:56:11,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:56:11,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 09:56:11,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:56:11,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 09:56:11,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-06 09:56:11,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:56:11,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 09:56:11,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:56:11,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:56:11,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 09:56:11,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 09:56:11,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:56:11,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:56:11,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 09:56:11,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:56:11,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 09:56:11,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 09:56:11,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 09:56:11,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 09:56:11,264 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 59 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1072 [2021-06-06 09:56:11,265 INFO L430 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:56:11,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:56:11,265 INFO L82 PathProgramCache]: Analyzing trace with hash 2021273276, now seen corresponding path program 53 times [2021-06-06 09:56:11,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:56:11,265 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906620423] [2021-06-06 09:56:11,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:56:11,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:56:11,717 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 09:56:11,718 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:56:11,718 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906620423] [2021-06-06 09:56:11,718 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906620423] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:56:11,718 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1478339447] [2021-06-06 09:56:11,718 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 09:56:11,778 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-06-06 09:56:11,779 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:56:11,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 56 conjunts are in the unsatisfiable core [2021-06-06 09:56:11,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:56:11,902 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 09:56:11,903 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:56:11,906 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 09:56:11,907 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:56:11,921 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:56:11,921 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 09:56:11,921 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:51, output treesize:37 [2021-06-06 09:56:12,184 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 09:56:12,185 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:56:12,187 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:12,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:56:12,188 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:56:12,190 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:12,191 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 16 treesize of output 12 [2021-06-06 09:56:12,191 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:56:12,193 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 09:56:12,193 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:56:12,209 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-06-06 09:56:12,209 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 09:56:12,210 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 09:56:12,210 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-06 09:56:12,248 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 09:56:12,248 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1478339447] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:56:12,248 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:56:12,248 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 38 [2021-06-06 09:56:12,249 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40118998] [2021-06-06 09:56:12,249 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-06-06 09:56:12,249 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:56:12,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-06-06 09:56:12,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=1309, Unknown=0, NotChecked=0, Total=1406 [2021-06-06 09:56:12,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:56:12,249 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:56:12,250 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 1.3157894736842106) internal successors, (50), 38 states have internal predecessors, (50), 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 09:56:12,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:56:12,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:56:12,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:56:12,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:56:12,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:56:12,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:56:12,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:56:12,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:56:12,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:56:12,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:56:12,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:56:12,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:56:12,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:56:12,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:56:12,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:56:12,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:56:12,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:56:12,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:56:12,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:56:12,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:56:12,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:56:12,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:56:12,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:56:12,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:56:12,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:56:12,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:56:12,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:56:12,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:56:12,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:56:12,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:56:12,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:56:12,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:56:12,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:56:12,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:56:12,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:56:12,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:56:12,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:56:12,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:56:12,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:56:12,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:56:12,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 09:56:12,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:56:12,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 09:56:12,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-06 09:56:12,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:56:12,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 09:56:12,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:56:12,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:56:12,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-06 09:56:12,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 09:56:12,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:56:12,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:56:12,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 09:56:12,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:56:12,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 09:56:12,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 09:56:12,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 09:56:12,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 09:56:12,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:56:18,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:56:18,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:56:18,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:56:18,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:56:18,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:56:18,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:56:18,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:56:18,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:56:18,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:56:18,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:56:18,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:56:18,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:56:18,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:56:18,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:56:18,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:56:18,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:56:18,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:56:18,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:56:18,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:56:18,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:56:18,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:56:18,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:56:18,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:56:18,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:56:18,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:56:18,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:56:18,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:56:18,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:56:18,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:56:18,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:56:18,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:56:18,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:56:18,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:56:18,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:56:18,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:56:18,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:56:18,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:56:18,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:56:18,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:56:18,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:56:18,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 09:56:18,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:56:18,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 09:56:18,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-06 09:56:18,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:56:18,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 09:56:18,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:56:18,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:56:18,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 09:56:18,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 09:56:18,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:56:18,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:56:18,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 09:56:18,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:56:18,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 09:56:18,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 09:56:18,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 09:56:18,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 09:56:18,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 09:56:19,109 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1106,60 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:56:19,109 INFO L430 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:56:19,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:56:19,109 INFO L82 PathProgramCache]: Analyzing trace with hash -992362670, now seen corresponding path program 54 times [2021-06-06 09:56:19,110 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:56:19,110 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028362793] [2021-06-06 09:56:19,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:56:19,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:56:19,770 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 09:56:19,771 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:56:19,771 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028362793] [2021-06-06 09:56:19,771 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028362793] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:56:19,771 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [33457731] [2021-06-06 09:56:19,771 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 09:56:19,830 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-06-06 09:56:19,830 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:56:19,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 85 conjunts are in the unsatisfiable core [2021-06-06 09:56:19,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:56:20,319 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:20,320 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:20,320 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:56:20,321 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:56:20,324 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:20,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:56:20,326 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:56:20,343 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:56:20,345 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 09:56:20,345 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:51, output treesize:37 [2021-06-06 09:56:21,376 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-06-06 09:56:21,604 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-06-06 09:56:21,874 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-06-06 09:56:21,923 INFO L446 ElimStorePlain]: Different costs {36=[array_4], 66=[array_0]} [2021-06-06 09:56:21,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:21,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:21,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:21,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:21,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:21,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:21,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:21,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:21,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:21,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:21,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:21,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:21,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:21,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:21,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:21,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:21,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:21,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:21,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:21,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:21,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:21,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:21,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:21,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:21,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:21,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:21,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:21,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:21,951 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:21,965 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 09:56:21,968 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:56:21,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:21,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:21,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:21,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:21,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:21,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:21,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:21,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:21,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:21,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:21,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:21,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:21,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:21,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:21,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:21,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:21,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:21,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:21,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:21,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:21,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:21,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:21,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:21,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:21,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:21,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:21,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:21,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:21,996 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:22,009 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 09:56:22,012 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:56:22,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:22,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:22,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:22,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:22,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:22,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:22,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:22,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:22,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:22,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:22,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:22,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:22,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:22,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:22,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:22,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:22,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:22,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:22,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:22,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:22,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:22,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:22,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:22,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:22,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:22,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:22,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:22,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:22,040 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:22,054 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 09:56:22,057 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-06 09:56:22,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:22,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:22,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:22,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:22,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:22,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:22,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:22,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:22,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:22,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:22,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:22,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:22,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:22,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:22,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:22,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:22,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:22,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:22,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:22,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:22,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:22,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:22,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:22,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:22,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:22,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:22,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:22,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:22,080 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 09:56:22,083 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:56:22,172 INFO L628 ElimStorePlain]: treesize reduction 38, result has 72.7 percent of original size [2021-06-06 09:56:22,176 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:22,177 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:22,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:56:22,178 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 09:56:22,181 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:22,182 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:22,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:56:22,182 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 09:56:22,190 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:56:22,193 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:22,194 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:56:22,194 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 09:56:22,231 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:56:22,233 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-06 09:56:22,233 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 6 variables, input treesize:457, output treesize:55 [2021-06-06 09:56:22,387 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 09:56:22,388 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [33457731] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:56:22,388 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:56:22,388 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 52 [2021-06-06 09:56:22,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626061049] [2021-06-06 09:56:22,388 INFO L462 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-06-06 09:56:22,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:56:22,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-06-06 09:56:22,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=2508, Unknown=0, NotChecked=0, Total=2652 [2021-06-06 09:56:22,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:56:22,389 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:56:22,389 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 52 states, 52 states have (on average 1.3076923076923077) internal successors, (68), 52 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 09:56:22,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:56:22,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:56:22,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:56:22,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:56:22,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:56:22,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:56:22,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:56:22,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:56:22,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:56:22,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:56:22,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:56:22,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:56:22,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:56:22,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:56:22,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:56:22,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:56:22,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:56:22,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:56:22,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:56:22,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:56:22,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:56:22,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:56:22,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:56:22,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:56:22,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:56:22,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:56:22,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:56:22,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:56:22,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:56:22,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:56:22,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:56:22,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:56:22,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:56:22,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:56:22,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:56:22,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:56:22,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:56:22,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:56:22,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:56:22,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:56:22,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 09:56:22,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:56:22,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 09:56:22,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-06 09:56:22,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:56:22,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 09:56:22,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:56:22,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:56:22,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-06 09:56:22,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 09:56:22,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:56:22,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:56:22,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 09:56:22,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:56:22,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 09:56:22,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 09:56:22,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 09:56:22,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 09:56:22,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 09:56:22,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:56:24,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:56:24,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:56:24,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:56:24,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:56:24,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:56:24,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:56:24,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:56:24,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:56:24,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:56:24,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:56:24,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:56:24,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:56:24,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:56:24,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:56:24,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:56:24,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:56:24,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:56:24,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:56:24,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:56:24,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:56:24,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:56:24,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:56:24,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:56:24,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:56:24,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:56:24,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:56:24,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:56:24,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:56:24,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:56:24,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:56:24,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:56:24,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:56:24,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:56:24,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:56:24,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:56:24,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:56:24,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:56:24,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:56:24,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:56:24,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:56:24,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 09:56:24,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:56:24,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 09:56:24,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-06 09:56:24,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:56:24,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 09:56:24,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:56:24,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:56:24,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 09:56:24,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 09:56:24,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:56:24,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:56:24,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 09:56:24,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:56:24,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 09:56:24,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 09:56:24,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 09:56:24,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 09:56:24,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 09:56:24,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:56:24,574 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 61 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1112 [2021-06-06 09:56:24,574 INFO L430 AbstractCegarLoop]: === Iteration 61 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:56:24,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:56:24,575 INFO L82 PathProgramCache]: Analyzing trace with hash -1143142734, now seen corresponding path program 55 times [2021-06-06 09:56:24,575 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:56:24,575 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074195579] [2021-06-06 09:56:24,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:56:24,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:56:25,115 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 09:56:25,115 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:56:25,115 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074195579] [2021-06-06 09:56:25,115 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074195579] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:56:25,116 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1355608303] [2021-06-06 09:56:25,116 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 09:56:25,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:56:25,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 62 conjunts are in the unsatisfiable core [2021-06-06 09:56:25,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:56:25,345 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:25,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:56:25,346 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:56:25,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:56:25,348 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:56:25,361 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:56:25,362 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 09:56:25,362 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-06-06 09:56:25,739 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:25,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:56:25,740 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:56:25,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:56:25,743 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:56:25,758 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-06 09:56:25,759 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 09:56:25,759 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 09:56:25,759 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-06 09:56:25,798 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 09:56:25,798 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1355608303] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:56:25,798 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:56:25,798 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 42 [2021-06-06 09:56:25,798 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348001291] [2021-06-06 09:56:25,798 INFO L462 AbstractCegarLoop]: Interpolant automaton has 42 states [2021-06-06 09:56:25,798 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:56:25,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-06-06 09:56:25,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=1614, Unknown=0, NotChecked=0, Total=1722 [2021-06-06 09:56:25,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:56:25,799 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:56:25,799 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 42 states, 42 states have (on average 1.2857142857142858) internal successors, (54), 42 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 09:56:25,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:56:25,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:56:25,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:56:25,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:56:25,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:56:25,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:56:25,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:56:25,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:56:25,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:56:25,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:56:25,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:56:25,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:56:25,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:56:25,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:56:25,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:56:25,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:56:25,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:56:25,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:56:25,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:56:25,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:56:25,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:56:25,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:56:25,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:56:25,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:56:25,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:56:25,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:56:25,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:56:25,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:56:25,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:56:25,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:56:25,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:56:25,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:56:25,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:56:25,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:56:25,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:56:25,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:56:25,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:56:25,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:56:25,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:56:25,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:56:25,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 09:56:25,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:56:25,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 09:56:25,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-06 09:56:25,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:56:25,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 09:56:25,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:56:25,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:56:25,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-06 09:56:25,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 09:56:25,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:56:25,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:56:25,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 09:56:25,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:56:25,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 09:56:25,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 09:56:25,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 09:56:25,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 09:56:25,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 09:56:25,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:56:25,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:56:28,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:56:28,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:56:28,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:56:28,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:56:28,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:56:28,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:56:28,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:56:28,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:56:28,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:56:28,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:56:28,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:56:28,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:56:28,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:56:28,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:56:28,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:56:28,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:56:28,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:56:28,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:56:28,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:56:28,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:56:28,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:56:28,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:56:28,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:56:28,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:56:28,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:56:28,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:56:28,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:56:28,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:56:28,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:56:28,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:56:28,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:56:28,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:56:28,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:56:28,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:56:28,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:56:28,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:56:28,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:56:28,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:56:28,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:56:28,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:56:28,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 09:56:28,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:56:28,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 09:56:28,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-06 09:56:28,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:56:28,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 09:56:28,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:56:28,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:56:28,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 09:56:28,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 09:56:28,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:56:28,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:56:28,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 09:56:28,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:56:28,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 09:56:28,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 09:56:28,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 09:56:28,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 09:56:28,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 09:56:28,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:56:28,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 09:56:28,413 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1138,62 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:56:28,413 INFO L430 AbstractCegarLoop]: === Iteration 62 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:56:28,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:56:28,414 INFO L82 PathProgramCache]: Analyzing trace with hash -420134652, now seen corresponding path program 56 times [2021-06-06 09:56:28,414 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:56:28,414 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390263775] [2021-06-06 09:56:28,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:56:28,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:56:29,801 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 09:56:29,801 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:56:29,801 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390263775] [2021-06-06 09:56:29,801 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390263775] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:56:29,802 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1347379136] [2021-06-06 09:56:29,802 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 09:56:29,855 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 09:56:29,855 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:56:29,857 WARN L261 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 141 conjunts are in the unsatisfiable core [2021-06-06 09:56:29,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:56:31,788 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-06-06 09:56:32,252 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-06-06 09:56:32,757 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-06-06 09:56:33,237 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2021-06-06 09:56:33,821 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2021-06-06 09:56:34,416 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2021-06-06 09:56:35,156 WARN L205 SmtUtils]: Spent 471.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2021-06-06 09:56:35,907 WARN L205 SmtUtils]: Spent 489.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2021-06-06 09:56:35,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:35,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:35,990 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:35,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:35,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:35,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:35,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:35,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:35,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:35,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:35,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:35,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:35,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:35,998 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:35,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:35,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,007 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:36,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,018 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:36,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,021 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:36,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,023 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:36,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,027 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:36,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,028 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:36,029 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:36,034 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:36,042 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:36,057 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:36,069 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:36,074 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:36,078 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:36,083 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:36,084 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:36,085 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:36,086 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 09:56:36,088 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:56:36,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,095 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:36,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,102 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:36,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,111 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:36,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,122 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:36,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,125 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:36,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,127 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:36,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,131 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:36,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,133 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:36,133 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:36,134 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 09:56:36,136 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:56:36,317 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2021-06-06 09:56:36,317 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:56:36,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,325 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:36,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,336 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:36,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,346 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:36,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,350 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:36,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,352 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:36,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,360 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:36,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,363 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:36,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,367 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:36,367 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:36,370 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:36,387 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:36,397 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:36,404 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:36,407 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:36,415 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:36,418 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:36,422 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:36,422 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:36,423 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 09:56:36,424 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:56:36,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,433 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:36,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,443 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:36,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,453 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:36,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,457 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:36,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,459 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:36,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,467 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:36,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,469 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:36,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:56:36,473 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:36,474 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:36,474 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 09:56:36,476 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:56:36,598 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-06-06 09:56:36,598 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:56:36,608 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 09:56:36,608 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:702, output treesize:402 [2021-06-06 09:56:38,259 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2021-06-06 09:56:38,953 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 209 [2021-06-06 09:56:39,638 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 209 [2021-06-06 09:56:40,535 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 209 [2021-06-06 09:56:41,368 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 209 [2021-06-06 09:56:42,190 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 209 [2021-06-06 09:56:43,062 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 209 [2021-06-06 09:56:43,884 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 209 [2021-06-06 09:56:44,631 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 209 [2021-06-06 09:56:44,761 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_306, v_prenex_308, array_4, v_prenex_302, v_prenex_304], 45=[v_prenex_305, v_prenex_307, array_0, v_prenex_301, v_prenex_303]} [2021-06-06 09:56:44,799 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 97 treesize of output 75 [2021-06-06 09:56:44,802 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:56:44,811 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 09:56:44,814 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-06 09:56:45,320 WARN L205 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 225 [2021-06-06 09:56:45,321 INFO L628 ElimStorePlain]: treesize reduction 237, result has 73.5 percent of original size [2021-06-06 09:56:45,357 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 09:56:45,360 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:56:45,368 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 101 treesize of output 79 [2021-06-06 09:56:45,372 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:56:45,527 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2021-06-06 09:56:45,527 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:56:45,534 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 09:56:45,538 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 09:56:45,676 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2021-06-06 09:56:45,677 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:56:45,711 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 90 treesize of output 70 [2021-06-06 09:56:45,714 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 09:56:45,721 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 92 treesize of output 72 [2021-06-06 09:56:45,724 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 09:56:45,811 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:56:45,817 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 09:56:45,820 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2021-06-06 09:56:45,896 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:56:45,902 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:45,903 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:45,903 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 11 treesize of output 3 [2021-06-06 09:56:45,904 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 09:56:45,909 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:45,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:56:45,910 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 09:56:45,919 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:56:45,990 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:56:45,996 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:45,996 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:45,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:56:45,997 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 09:56:46,002 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:46,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:56:46,003 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 09:56:46,069 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:56:46,069 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-06-06 09:56:46,074 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:46,075 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:46,075 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 10 treesize of output 5 [2021-06-06 09:56:46,076 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 09:56:46,080 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:46,080 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 12 treesize of output 5 [2021-06-06 09:56:46,081 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 09:56:46,144 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:56:46,148 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:46,149 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:46,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:56:46,150 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-06 09:56:46,153 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:56:46,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:56:46,154 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-06 09:56:46,162 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:56:46,221 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:56:46,223 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 09:56:46,223 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 15 variables, input treesize:1033, output treesize:70 [2021-06-06 09:56:46,398 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 09:56:46,398 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1347379136] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:56:46,398 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:56:46,398 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 32] total 63 [2021-06-06 09:56:46,398 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019055799] [2021-06-06 09:56:46,398 INFO L462 AbstractCegarLoop]: Interpolant automaton has 63 states [2021-06-06 09:56:46,398 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:56:46,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2021-06-06 09:56:46,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=3773, Unknown=0, NotChecked=0, Total=3906 [2021-06-06 09:56:46,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:56:46,399 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:56:46,399 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 63 states, 63 states have (on average 1.253968253968254) internal successors, (79), 63 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 09:56:46,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:56:46,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:56:46,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:56:46,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:56:46,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:56:46,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:56:46,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:56:46,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:56:46,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:56:46,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:56:46,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:56:46,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:56:46,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:56:46,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:56:46,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:56:46,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:56:46,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:56:46,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:56:46,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:56:46,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:56:46,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:56:46,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:56:46,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:56:46,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:56:46,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:56:46,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:56:46,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:56:46,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:56:46,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:56:46,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:56:46,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:56:46,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:56:46,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:56:46,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:56:46,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:56:46,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:56:46,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:56:46,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:56:46,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:56:46,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:56:46,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 09:56:46,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:56:46,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 09:56:46,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-06 09:56:46,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:56:46,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 09:56:46,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:56:46,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:56:46,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-06 09:56:46,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 09:56:46,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:56:46,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:56:46,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 09:56:46,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:56:46,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 09:56:46,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 09:56:46,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 09:56:46,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 09:56:46,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 09:56:46,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:56:46,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 09:56:46,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:56:54,046 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 137 [2021-06-06 09:56:54,856 WARN L205 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 149 [2021-06-06 09:56:55,733 WARN L205 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 196 [2021-06-06 09:56:56,746 WARN L205 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 201 [2021-06-06 09:56:57,871 WARN L205 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 205 [2021-06-06 09:56:59,115 WARN L205 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 208 [2021-06-06 09:57:00,439 WARN L205 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 212 [2021-06-06 09:57:01,865 WARN L205 SmtUtils]: Spent 913.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 217 [2021-06-06 09:57:03,353 WARN L205 SmtUtils]: Spent 978.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 220 [2021-06-06 09:57:04,153 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 251 [2021-06-06 09:57:04,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:57:04,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:57:04,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:57:04,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:57:04,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:57:04,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:57:04,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:57:04,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:57:04,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:57:04,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:57:04,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:57:04,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:57:04,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:57:04,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:57:04,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:57:04,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:57:04,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:57:04,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:57:04,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:57:04,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:57:04,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:57:04,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:57:04,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:57:04,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:57:04,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:57:04,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:57:04,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:57:04,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:57:04,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:57:04,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:57:04,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:57:04,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:57:04,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:57:04,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:57:04,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:57:04,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:57:04,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:57:04,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:57:04,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:57:04,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:57:04,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 09:57:04,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:57:04,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 09:57:04,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-06 09:57:04,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:57:04,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 09:57:04,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:57:04,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:57:04,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 09:57:04,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 09:57:04,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:57:04,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:57:04,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 09:57:04,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:57:04,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 09:57:04,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 09:57:04,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 09:57:04,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 09:57:04,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 09:57:04,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:57:04,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 09:57:04,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:57:04,960 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1141,63 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:57:04,960 INFO L430 AbstractCegarLoop]: === Iteration 63 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:57:04,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:57:04,960 INFO L82 PathProgramCache]: Analyzing trace with hash 709111908, now seen corresponding path program 57 times [2021-06-06 09:57:04,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:57:04,960 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208490940] [2021-06-06 09:57:04,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:57:04,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:57:05,888 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 09:57:05,888 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:57:05,888 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208490940] [2021-06-06 09:57:05,888 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208490940] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:57:05,888 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1954982659] [2021-06-06 09:57:05,888 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 09:57:05,960 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-06-06 09:57:05,960 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:57:05,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 96 conjunts are in the unsatisfiable core [2021-06-06 09:57:05,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:57:08,103 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2021-06-06 09:57:08,520 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2021-06-06 09:57:09,327 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2021-06-06 09:57:09,869 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2021-06-06 09:57:09,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:09,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:09,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:09,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:09,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:09,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:09,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:09,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:09,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:09,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:09,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:09,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:09,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:09,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:09,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:09,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:09,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:09,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:09,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:09,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:09,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:09,938 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:57:09,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:09,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:09,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:09,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:09,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:09,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:09,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:09,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:09,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:09,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:09,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:09,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:09,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:09,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:09,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:09,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:09,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:09,965 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:57:09,979 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 104 treesize of output 68 [2021-06-06 09:57:09,982 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:57:09,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:09,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:09,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:09,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:09,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:09,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:09,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:09,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:09,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:09,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:09,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:09,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:09,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:09,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:09,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:09,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:09,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:09,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:09,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,015 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:57:10,047 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:57:10,047 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 114 treesize of output 76 [2021-06-06 09:57:10,051 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:57:10,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,058 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:57:10,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,081 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:57:10,104 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 104 treesize of output 68 [2021-06-06 09:57:10,107 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:57:10,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,141 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:57:10,172 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:57:10,173 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 09:57:10,176 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:57:10,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,194 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:57:10,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,221 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:57:10,233 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 09:57:10,237 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 09:57:10,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,243 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:57:10,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 09:57:10,264 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 09:57:10,267 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 09:57:10,385 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2021-06-06 09:57:10,385 INFO L628 ElimStorePlain]: treesize reduction 2, result has 98.5 percent of original size [2021-06-06 09:57:10,389 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 09:57:10,389 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:721, output treesize:125 [2021-06-06 09:57:11,734 INFO L446 ElimStorePlain]: Different costs {0=[array_4], 1=[array_0]} [2021-06-06 09:57:11,736 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 09:57:11,737 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-06 09:57:11,740 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 09:57:11,741 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:57:11,766 INFO L628 ElimStorePlain]: treesize reduction 41, result has 43.1 percent of original size [2021-06-06 09:57:11,768 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:57:11,769 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 21 treesize of output 7 [2021-06-06 09:57:11,769 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:57:11,776 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:57:11,777 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 09:57:11,777 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:68, output treesize:11 [2021-06-06 09:57:11,857 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 09:57:11,857 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1954982659] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:57:11,857 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:57:11,857 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34] total 65 [2021-06-06 09:57:11,857 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527833532] [2021-06-06 09:57:11,858 INFO L462 AbstractCegarLoop]: Interpolant automaton has 65 states [2021-06-06 09:57:11,858 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:57:11,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2021-06-06 09:57:11,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=3967, Unknown=0, NotChecked=0, Total=4160 [2021-06-06 09:57:11,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:57:11,858 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:57:11,858 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 65 states, 65 states have (on average 1.2461538461538462) internal successors, (81), 65 states have internal predecessors, (81), 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 09:57:11,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:57:11,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:57:11,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:57:11,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:57:11,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:57:11,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:57:11,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:57:11,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:57:11,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:57:11,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:57:11,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:57:11,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:57:11,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:57:11,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:57:11,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:57:11,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:57:11,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:57:11,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:57:11,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:57:11,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:57:11,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:57:11,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:57:11,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:57:11,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:57:11,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:57:11,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:57:11,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:57:11,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:57:11,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:57:11,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:57:11,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:57:11,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:57:11,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:57:11,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:57:11,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:57:11,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:57:11,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:57:11,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:57:11,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:57:11,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:57:11,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 09:57:11,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:57:11,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 09:57:11,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-06 09:57:11,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:57:11,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 09:57:11,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:57:11,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:57:11,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-06 09:57:11,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 09:57:11,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:57:11,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:57:11,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 09:57:11,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:57:11,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 09:57:11,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 09:57:11,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 09:57:11,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 09:57:11,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 09:57:11,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:57:11,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 09:57:11,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:57:11,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:57:18,836 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 75 [2021-06-06 09:57:19,365 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 159 [2021-06-06 09:57:19,850 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 119 [2021-06-06 09:57:20,344 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 159 [2021-06-06 09:57:20,844 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 159 [2021-06-06 09:57:21,341 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 159 [2021-06-06 09:57:21,841 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 159 [2021-06-06 09:57:22,347 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 159 [2021-06-06 09:57:22,886 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 159 [2021-06-06 09:57:23,418 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 119 [2021-06-06 09:57:24,084 WARN L205 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2021-06-06 09:57:24,750 WARN L205 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 94 [2021-06-06 09:57:25,450 WARN L205 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 97 [2021-06-06 09:57:26,078 WARN L205 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 98 [2021-06-06 09:57:26,655 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 98 [2021-06-06 09:57:27,258 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 98 [2021-06-06 09:57:27,840 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 98 [2021-06-06 09:57:28,429 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 98 [2021-06-06 09:57:29,022 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 98 [2021-06-06 09:57:29,620 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 98 [2021-06-06 09:57:30,214 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 98 [2021-06-06 09:57:30,802 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-06-06 09:57:30,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:57:30,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:57:30,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:57:30,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:57:30,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:57:30,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:57:30,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:57:30,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:57:30,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:57:30,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:57:30,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:57:30,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:57:30,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:57:30,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:57:30,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:57:30,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:57:30,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:57:30,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:57:30,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:57:30,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:57:30,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:57:30,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:57:30,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:57:30,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:57:30,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:57:30,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:57:30,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:57:30,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:57:30,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:57:30,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:57:30,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:57:30,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:57:30,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:57:30,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:57:30,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:57:30,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:57:30,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:57:30,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:57:30,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:57:30,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:57:30,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 09:57:30,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:57:30,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 09:57:30,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-06 09:57:30,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:57:30,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 09:57:30,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:57:30,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:57:30,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 09:57:30,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 09:57:30,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:57:30,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:57:30,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 09:57:30,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:57:30,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 09:57:30,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 09:57:30,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 09:57:30,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 09:57:30,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 09:57:30,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:57:30,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 09:57:30,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:57:30,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-06-06 09:57:31,164 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1237,64 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:57:31,165 INFO L430 AbstractCegarLoop]: === Iteration 64 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:57:31,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:57:31,165 INFO L82 PathProgramCache]: Analyzing trace with hash 1165184402, now seen corresponding path program 58 times [2021-06-06 09:57:31,165 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:57:31,165 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928962271] [2021-06-06 09:57:31,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:57:31,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:57:31,941 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 09:57:31,941 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:57:31,941 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928962271] [2021-06-06 09:57:31,941 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928962271] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:57:31,941 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1627779283] [2021-06-06 09:57:31,941 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 09:57:31,998 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 09:57:31,998 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:57:31,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 68 conjunts are in the unsatisfiable core [2021-06-06 09:57:32,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:57:32,467 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:57:32,468 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 17 treesize of output 13 [2021-06-06 09:57:32,469 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:57:32,471 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 09:57:32,472 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:57:32,474 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 09:57:32,475 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:57:32,477 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:57:32,477 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 16 treesize of output 12 [2021-06-06 09:57:32,478 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:57:32,480 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 09:57:32,480 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 09:57:32,482 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 09:57:32,483 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 09:57:32,511 INFO L628 ElimStorePlain]: treesize reduction 6, result has 84.2 percent of original size [2021-06-06 09:57:32,511 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-06 09:57:32,511 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:107, output treesize:32 [2021-06-06 09:57:32,982 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 09:57:32,983 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:57:32,985 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:57:32,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:57:32,986 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 09:57:32,988 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 09:57:32,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 09:57:32,989 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 09:57:32,991 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 09:57:32,991 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 09:57:33,007 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-06-06 09:57:33,007 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 09:57:33,008 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 09:57:33,008 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-06 09:57:33,062 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 09:57:33,062 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1627779283] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:57:33,062 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:57:33,062 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34] total 55 [2021-06-06 09:57:33,062 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738075196] [2021-06-06 09:57:33,062 INFO L462 AbstractCegarLoop]: Interpolant automaton has 55 states [2021-06-06 09:57:33,063 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:57:33,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-06-06 09:57:33,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=2824, Unknown=0, NotChecked=0, Total=2970 [2021-06-06 09:57:33,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:57:33,063 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:57:33,063 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 55 states, 55 states have (on average 1.2181818181818183) internal successors, (67), 55 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 09:57:33,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:57:33,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:57:33,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:57:33,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:57:33,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:57:33,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:57:33,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:57:33,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:57:33,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 09:57:33,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:57:33,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:57:33,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:57:33,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:57:33,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:57:33,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:57:33,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:57:33,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:57:33,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:57:33,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:57:33,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:57:33,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:57:33,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:57:33,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:57:33,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:57:33,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:57:33,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:57:33,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 09:57:33,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:57:33,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:57:33,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 09:57:33,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 09:57:33,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:57:33,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 09:57:33,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 09:57:33,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 09:57:33,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 09:57:33,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:57:33,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:57:33,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:57:33,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:57:33,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 09:57:33,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:57:33,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 09:57:33,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-06 09:57:33,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:57:33,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 09:57:33,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:57:33,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 09:57:33,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-06 09:57:33,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 09:57:33,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 09:57:33,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 09:57:33,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 09:57:33,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 09:57:33,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 09:57:33,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 09:57:33,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 09:57:33,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 09:57:33,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 09:57:33,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:57:33,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 09:57:33,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:57:33,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-06-06 09:57:33,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:57:39,204 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 288 DAG size of output: 266 [2021-06-06 09:57:41,134 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 320 DAG size of output: 298 [2021-06-06 09:57:42,287 WARN L227 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2021-06-06 09:57:42,504 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1261,65 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:57:42,506 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.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.getRedundancy(SimplifyDDA.java:626) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getRedundancy(SimplifyDDAWithTimeout.java:120) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:371) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:650) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:180) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:173) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:140) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:360) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:388) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.getOrConstructPredicate(DeterministicInterpolantAutomaton.java:281) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.constructSuccessorsAndTransitions(DeterministicInterpolantAutomaton.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:78) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:200) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:200) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:200) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetDelayReduction.search(SleepSetDelayReduction.java:183) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetDelayReduction.(SleepSetDelayReduction.java:111) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isAbstractionEmpty(PartialOrderCegarLoop.java:209) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:509) 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) ... 52 more [2021-06-06 09:57:42,509 INFO L168 Benchmark]: Toolchain (without parser) took 450238.80 ms. Allocated memory was 352.3 MB in the beginning and 1.3 GB in the end (delta: 924.8 MB). Free memory was 331.5 MB in the beginning and 573.4 MB in the end (delta: -241.9 MB). Peak memory consumption was 684.7 MB. Max. memory is 16.0 GB. [2021-06-06 09:57:42,510 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 352.3 MB. Free memory was 332.8 MB in the beginning and 332.7 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 09:57:42,510 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.01 ms. Allocated memory is still 352.3 MB. Free memory was 331.4 MB in the beginning and 329.9 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 09:57:42,510 INFO L168 Benchmark]: Boogie Preprocessor took 21.10 ms. Allocated memory is still 352.3 MB. Free memory was 329.9 MB in the beginning and 328.9 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 09:57:42,510 INFO L168 Benchmark]: RCFGBuilder took 471.01 ms. Allocated memory is still 352.3 MB. Free memory was 328.8 MB in the beginning and 332.6 MB in the end (delta: -3.7 MB). Peak memory consumption was 21.1 MB. Max. memory is 16.0 GB. [2021-06-06 09:57:42,510 INFO L168 Benchmark]: TraceAbstraction took 449710.71 ms. Allocated memory was 352.3 MB in the beginning and 1.3 GB in the end (delta: 924.8 MB). Free memory was 332.6 MB in the beginning and 573.4 MB in the end (delta: -240.8 MB). Peak memory consumption was 684.6 MB. Max. memory is 16.0 GB. [2021-06-06 09:57:42,510 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 0.13 ms. Allocated memory is still 352.3 MB. Free memory was 332.8 MB in the beginning and 332.7 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 31.01 ms. Allocated memory is still 352.3 MB. Free memory was 331.4 MB in the beginning and 329.9 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 21.10 ms. Allocated memory is still 352.3 MB. Free memory was 329.9 MB in the beginning and 328.9 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 471.01 ms. Allocated memory is still 352.3 MB. Free memory was 328.8 MB in the beginning and 332.6 MB in the end (delta: -3.7 MB). Peak memory consumption was 21.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 449710.71 ms. Allocated memory was 352.3 MB in the beginning and 1.3 GB in the end (delta: 924.8 MB). Free memory was 332.6 MB in the beginning and 573.4 MB in the end (delta: -240.8 MB). Peak memory consumption was 684.6 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...