/usr/bin/java -Xmx8000000000 -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-NewStatesSleepPersistentFixedOrder-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-symm.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 20:42:56,232 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 20:42:56,234 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 20:42:56,267 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 20:42:56,283 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-14 20:42:56,285 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-14 20:42:56,286 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-14 20:42:56,286 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-14 20:42:56,289 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-14 20:42:56,289 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-14 20:42:56,291 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-14 20:42:56,295 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-14 20:42:56,296 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-14 20:42:56,297 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-14 20:42:56,298 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-14 20:42:56,299 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-14 20:42:56,304 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-14 20:42:56,314 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-NewStatesSleepPersistentFixedOrder-NoLbe-Random42.epf [2021-07-14 20:42:56,346 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 20:42:56,346 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 20:42:56,347 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 20:42:56,347 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 20:42:56,349 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 20:42:56,349 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 20:42:56,349 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 20:42:56,350 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 20:42:56,350 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 20:42:56,350 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 20:42:56,351 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 20:42:56,351 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 20:42:56,351 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 20:42:56,351 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 20:42:56,351 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 20:42:56,352 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 20:42:56,352 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 20:42:56,352 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 20:42:56,352 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 20:42:56,352 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 20:42:56,352 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 20:42:56,352 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 20:42:56,353 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 20:42:56,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 20:42:56,353 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 20:42:56,353 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 20:42:56,353 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 20:42:56,353 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 20:42:56,353 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-14 20:42:56,354 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 20:42:56,354 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 20:42:56,354 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 20:42:56,354 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 20:42:56,354 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-14 20:42:56,354 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-14 20:42:56,354 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 20:42:56,656 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 20:42:56,678 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 20:42:56,680 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 20:42:56,681 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 20:42:56,690 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 20:42:56,690 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-symm.wvr.bpl [2021-07-14 20:42:56,690 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-symm.wvr.bpl' [2021-07-14 20:42:56,712 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 20:42:56,713 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 20:42:56,729 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 20:42:56,729 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 20:42:56,729 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 20:42:56,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:42:56" (1/1) ... [2021-07-14 20:42:56,754 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:42:56" (1/1) ... [2021-07-14 20:42:56,772 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 20:42:56,773 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 20:42:56,774 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 20:42:56,774 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 20:42:56,779 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:42:56" (1/1) ... [2021-07-14 20:42:56,779 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:42:56" (1/1) ... [2021-07-14 20:42:56,780 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:42:56" (1/1) ... [2021-07-14 20:42:56,780 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:42:56" (1/1) ... [2021-07-14 20:42:56,782 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:42:56" (1/1) ... [2021-07-14 20:42:56,784 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:42:56" (1/1) ... [2021-07-14 20:42:56,784 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:42:56" (1/1) ... [2021-07-14 20:42:56,785 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 20:42:56,785 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 20:42:56,785 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 20:42:56,785 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 20:42:56,792 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:42:56" (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 [2021-07-14 20:42:56,890 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 20:42:56,890 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 20:42:56,890 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 20:42:56,890 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 20:42:56,891 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 20:42:56,891 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 20:42:56,891 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 20:42:56,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 20:42:56,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 20:42:56,892 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 20:42:57,055 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 20:42:57,055 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-07-14 20:42:57,055 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-14 20:42:57,056 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-07-14 20:42:57,057 INFO L202 PluginConnector]: Adding new model array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 08:42:57 BoogieIcfgContainer [2021-07-14 20:42:57,057 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 20:42:57,058 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 20:42:57,058 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 20:42:57,060 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 20:42:57,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:42:56" (1/2) ... [2021-07-14 20:42:57,061 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c5cd691 and model type array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 08:42:57, skipping insertion in model container [2021-07-14 20:42:57,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 08:42:57" (2/2) ... [2021-07-14 20:42:57,062 INFO L111 eAbstractionObserver]: Analyzing ICFG array-int-symm.wvr.bpl [2021-07-14 20:42:57,066 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 20:42:57,066 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 20:42:57,066 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 20:42:57,066 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 20:42:57,114 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-14 20:42:57,129 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 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 [2021-07-14 20:42:57,187 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 20:42:57,187 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 20:42:57,187 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 20:42:57,187 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 20:42:57,187 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 20:42:57,188 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 20:42:57,188 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 20:42:57,188 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 20:42:57,231 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:42:57,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:42:57,236 INFO L82 PathProgramCache]: Analyzing trace with hash -481455702, now seen corresponding path program 1 times [2021-07-14 20:42:57,272 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:42:57,272 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764927248] [2021-07-14 20:42:57,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:42:57,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:42:57,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:42:57,522 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:42:57,523 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764927248] [2021-07-14 20:42:57,523 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764927248] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 20:42:57,523 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 20:42:57,524 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-14 20:42:57,524 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95913078] [2021-07-14 20:42:57,528 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-14 20:42:57,528 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:42:57,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-14 20:42:57,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-14 20:42:57,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:42:57,548 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:42:57,565 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2021-07-14 20:42:57,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:42:57,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:42:57,610 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 20:42:57,611 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:42:57,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:42:57,614 INFO L82 PathProgramCache]: Analyzing trace with hash -2019919942, now seen corresponding path program 1 times [2021-07-14 20:42:57,614 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:42:57,614 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207582803] [2021-07-14 20:42:57,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:42:57,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:42:57,675 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:42:57,675 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:42:57,675 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207582803] [2021-07-14 20:42:57,675 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207582803] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 20:42:57,675 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 20:42:57,676 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-14 20:42:57,676 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269149172] [2021-07-14 20:42:57,678 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-14 20:42:57,678 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:42:57,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-14 20:42:57,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-14 20:42:57,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:42:57,681 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:42:57,681 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 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) [2021-07-14 20:42:57,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:42:57,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:42:57,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:42:57,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:42:57,742 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 20:42:57,742 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:42:57,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:42:57,742 INFO L82 PathProgramCache]: Analyzing trace with hash 617529826, now seen corresponding path program 1 times [2021-07-14 20:42:57,743 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:42:57,743 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538577294] [2021-07-14 20:42:57,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:42:57,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:42:57,816 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:42:57,816 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:42:57,816 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538577294] [2021-07-14 20:42:57,816 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538577294] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:42:57,817 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1342848300] [2021-07-14 20:42:57,817 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 [2021-07-14 20:42:57,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:42:57,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-14 20:42:57,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:42:57,959 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:42:57,959 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1342848300] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:42:57,960 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:42:57,960 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-07-14 20:42:57,960 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908965516] [2021-07-14 20:42:57,960 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-14 20:42:57,961 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:42:57,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-14 20:42:57,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-07-14 20:42:57,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:42:57,962 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:42:57,962 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 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) [2021-07-14 20:42:57,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:42:57,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:42:57,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:42:58,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:42:58,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:42:58,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:42:58,230 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:42:58,231 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:42:58,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:42:58,232 INFO L82 PathProgramCache]: Analyzing trace with hash 1983860354, now seen corresponding path program 1 times [2021-07-14 20:42:58,232 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:42:58,232 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142925732] [2021-07-14 20:42:58,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:42:58,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:42:58,543 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:42:58,544 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:42:58,544 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142925732] [2021-07-14 20:42:58,544 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142925732] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:42:58,544 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1274547753] [2021-07-14 20:42:58,544 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 [2021-07-14 20:42:58,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:42:58,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-14 20:42:58,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:42:58,915 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:42:58,916 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:42:58,919 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 25 treesize of output 19 [2021-07-14 20:42:58,921 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:42:58,925 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:42:58,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 20:42:58,928 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:42:58,954 INFO L628 ElimStorePlain]: treesize reduction 79, result has 12.2 percent of original size [2021-07-14 20:42:58,954 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 20:42:58,955 INFO L518 ElimStorePlain]: Eliminatee v_prenex_3 vanished before elimination [2021-07-14 20:42:58,955 INFO L518 ElimStorePlain]: Eliminatee v_prenex_4 vanished before elimination [2021-07-14 20:42:58,955 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 20:42:58,956 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:107, output treesize:11 [2021-07-14 20:42:58,993 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:42:58,993 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1274547753] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:42:58,993 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:42:58,993 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 10 [2021-07-14 20:42:58,994 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486643801] [2021-07-14 20:42:58,994 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-14 20:42:58,994 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:42:58,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-14 20:42:58,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-07-14 20:42:58,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:42:58,995 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:42:58,995 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 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) [2021-07-14 20:42:58,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:42:58,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:42:58,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:42:58,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:42:59,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:42:59,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:42:59,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:42:59,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:42:59,401 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:42:59,401 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:42:59,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:42:59,402 INFO L82 PathProgramCache]: Analyzing trace with hash 1390433762, now seen corresponding path program 2 times [2021-07-14 20:42:59,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:42:59,402 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038501111] [2021-07-14 20:42:59,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:42:59,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:42:59,459 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:42:59,460 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:42:59,460 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038501111] [2021-07-14 20:42:59,460 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038501111] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:42:59,460 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1049095346] [2021-07-14 20:42:59,460 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 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 [2021-07-14 20:42:59,488 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 20:42:59,489 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:42:59,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 14 conjunts are in the unsatisfiable core [2021-07-14 20:42:59,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:42:59,573 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 [2021-07-14 20:42:59,574 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:42:59,576 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 [2021-07-14 20:42:59,577 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:42:59,580 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 [2021-07-14 20:42:59,581 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 20:42:59,583 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:42:59,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 20:42:59,585 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 20:42:59,587 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:42:59,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 20:42:59,589 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 20:42:59,591 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 [2021-07-14 20:42:59,592 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 20:42:59,622 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-07-14 20:42:59,623 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 20:42:59,623 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 20:42:59,624 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-14 20:42:59,648 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:42:59,648 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1049095346] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:42:59,648 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:42:59,648 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-07-14 20:42:59,648 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761602539] [2021-07-14 20:42:59,648 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-14 20:42:59,648 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:42:59,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-14 20:42:59,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-07-14 20:42:59,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:42:59,649 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:42:59,649 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 1.8) internal successors, (18), 10 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) [2021-07-14 20:42:59,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:42:59,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:42:59,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:42:59,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:42:59,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:42:59,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:42:59,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:42:59,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:42:59,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:42:59,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:00,141 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:43:00,141 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:43:00,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:43:00,141 INFO L82 PathProgramCache]: Analyzing trace with hash 1546997946, now seen corresponding path program 3 times [2021-07-14 20:43:00,142 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:43:00,142 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358129269] [2021-07-14 20:43:00,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:43:00,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:43:00,203 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:00,203 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:43:00,203 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358129269] [2021-07-14 20:43:00,203 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358129269] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:00,203 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1396134121] [2021-07-14 20:43:00,203 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-07-14 20:43:00,235 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-07-14 20:43:00,235 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:43:00,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 14 conjunts are in the unsatisfiable core [2021-07-14 20:43:00,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:43:00,295 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:00,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 20:43:00,297 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:00,299 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 15 treesize of output 11 [2021-07-14 20:43:00,300 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:00,313 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 20:43:00,313 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 20:43:00,314 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 20:43:00,314 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 20:43:00,331 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:00,332 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1396134121] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:00,332 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:43:00,332 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-07-14 20:43:00,332 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395630364] [2021-07-14 20:43:00,333 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-14 20:43:00,333 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:43:00,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-14 20:43:00,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-07-14 20:43:00,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:00,334 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:43:00,334 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 1.8) internal successors, (18), 10 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) [2021-07-14 20:43:00,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:00,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:00,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:00,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:00,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:00,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:00,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:00,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:00,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:00,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:00,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:00,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:00,633 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-07-14 20:43:00,633 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:43:00,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:43:00,634 INFO L82 PathProgramCache]: Analyzing trace with hash 732601002, now seen corresponding path program 4 times [2021-07-14 20:43:00,634 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:43:00,634 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324749368] [2021-07-14 20:43:00,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:43:00,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:43:01,287 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:01,287 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:43:01,288 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324749368] [2021-07-14 20:43:01,288 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324749368] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:01,288 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1620787006] [2021-07-14 20:43:01,288 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 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 [2021-07-14 20:43:01,316 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 20:43:01,317 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:43:01,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 29 conjunts are in the unsatisfiable core [2021-07-14 20:43:01,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:43:01,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:01,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:01,767 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:01,768 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:01,769 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 [2021-07-14 20:43:01,770 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:01,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:01,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:01,775 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:01,775 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 [2021-07-14 20:43:01,776 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:01,808 INFO L628 ElimStorePlain]: treesize reduction 69, result has 49.6 percent of original size [2021-07-14 20:43:01,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:01,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:01,812 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:01,813 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 [2021-07-14 20:43:01,816 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:01,832 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:43:01,832 INFO L518 ElimStorePlain]: Eliminatee v_prenex_10 vanished before elimination [2021-07-14 20:43:01,834 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:01,835 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 21 treesize of output 13 [2021-07-14 20:43:01,835 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:01,845 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:43:01,851 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 20:43:01,851 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:177, output treesize:22 [2021-07-14 20:43:01,882 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:01,883 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1620787006] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:01,883 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:43:01,883 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 15 [2021-07-14 20:43:01,883 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062406257] [2021-07-14 20:43:01,883 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-14 20:43:01,883 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:43:01,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-14 20:43:01,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2021-07-14 20:43:01,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:01,885 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:43:01,885 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.6) internal successors, (24), 15 states have internal predecessors, (24), 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) [2021-07-14 20:43:01,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:01,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:01,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:01,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:01,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:01,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:01,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:02,402 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 60 [2021-07-14 20:43:02,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:02,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:02,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:02,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:02,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:02,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:02,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:02,751 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:43:02,751 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:43:02,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:43:02,752 INFO L82 PathProgramCache]: Analyzing trace with hash 1256099514, now seen corresponding path program 5 times [2021-07-14 20:43:02,752 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:43:02,752 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693887743] [2021-07-14 20:43:02,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:43:02,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:43:02,825 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:02,826 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:43:02,826 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693887743] [2021-07-14 20:43:02,826 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693887743] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:02,826 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1766428992] [2021-07-14 20:43:02,826 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 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 [2021-07-14 20:43:02,881 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-07-14 20:43:02,881 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:43:02,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 18 conjunts are in the unsatisfiable core [2021-07-14 20:43:02,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:43:02,999 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:03,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 20:43:03,000 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:03,003 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 [2021-07-14 20:43:03,004 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:03,006 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:03,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 20:43:03,007 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:03,010 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 [2021-07-14 20:43:03,011 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:03,012 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:43:03,013 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:03,015 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 [2021-07-14 20:43:03,016 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:03,037 INFO L628 ElimStorePlain]: treesize reduction 26, result has 43.5 percent of original size [2021-07-14 20:43:03,037 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 20:43:03,038 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 20:43:03,038 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-14 20:43:03,079 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:03,079 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1766428992] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:03,079 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:43:03,079 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2021-07-14 20:43:03,079 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030676925] [2021-07-14 20:43:03,080 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-14 20:43:03,080 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:43:03,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-14 20:43:03,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-07-14 20:43:03,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:03,080 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:43:03,081 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 13 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:43:03,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:03,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:03,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:03,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:03,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:03,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:03,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:03,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:03,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:03,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:03,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:03,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:03,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:03,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:03,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:03,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:03,637 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:43:03,637 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:43:03,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:43:03,637 INFO L82 PathProgramCache]: Analyzing trace with hash 1814621922, now seen corresponding path program 6 times [2021-07-14 20:43:03,638 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:43:03,638 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358524991] [2021-07-14 20:43:03,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:43:03,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:43:03,713 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:03,714 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:43:03,714 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358524991] [2021-07-14 20:43:03,714 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358524991] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:03,714 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1878572917] [2021-07-14 20:43:03,714 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 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 [2021-07-14 20:43:03,788 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-07-14 20:43:03,789 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:43:03,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 18 conjunts are in the unsatisfiable core [2021-07-14 20:43:03,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:43:03,868 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:03,869 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 15 treesize of output 11 [2021-07-14 20:43:03,870 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:03,872 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 16 treesize of output 12 [2021-07-14 20:43:03,872 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:03,885 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 20:43:03,885 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 20:43:03,886 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 20:43:03,886 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 20:43:03,903 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:03,903 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1878572917] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:03,903 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:43:03,903 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2021-07-14 20:43:03,903 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091798905] [2021-07-14 20:43:03,903 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-14 20:43:03,903 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:43:03,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-14 20:43:03,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-07-14 20:43:03,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:03,904 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:43:03,904 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 13 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:43:03,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:03,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:03,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:03,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:03,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:03,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:03,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:03,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:03,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:04,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:04,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:04,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:04,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:04,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:04,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:04,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:04,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:04,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:04,265 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2021-07-14 20:43:04,266 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:43:04,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:43:04,266 INFO L82 PathProgramCache]: Analyzing trace with hash 439009666, now seen corresponding path program 7 times [2021-07-14 20:43:04,266 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:43:04,266 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425220303] [2021-07-14 20:43:04,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:43:04,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:43:04,712 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:04,712 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:43:04,712 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425220303] [2021-07-14 20:43:04,712 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425220303] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:04,712 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1148979079] [2021-07-14 20:43:04,712 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 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 [2021-07-14 20:43:04,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:43:04,743 WARN L261 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 41 conjunts are in the unsatisfiable core [2021-07-14 20:43:04,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:43:05,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:05,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:05,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:05,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:05,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:05,279 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:05,283 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:05,283 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 [2021-07-14 20:43:05,285 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:05,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:05,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:05,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:05,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:05,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:05,291 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:05,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 35 [2021-07-14 20:43:05,293 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:05,305 INFO L628 ElimStorePlain]: treesize reduction 101, result has 9.8 percent of original size [2021-07-14 20:43:05,305 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 20:43:05,306 INFO L518 ElimStorePlain]: Eliminatee v_prenex_14 vanished before elimination [2021-07-14 20:43:05,306 INFO L518 ElimStorePlain]: Eliminatee v_prenex_13 vanished before elimination [2021-07-14 20:43:05,306 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 20:43:05,306 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:173, output treesize:11 [2021-07-14 20:43:05,337 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:05,337 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1148979079] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:05,338 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:43:05,338 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 18 [2021-07-14 20:43:05,338 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697929897] [2021-07-14 20:43:05,338 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-14 20:43:05,338 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:43:05,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-14 20:43:05,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2021-07-14 20:43:05,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:05,339 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:43:05,340 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 18 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:43:05,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:05,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:05,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:05,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:05,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:05,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:05,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:05,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:05,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:05,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:06,181 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 54 [2021-07-14 20:43:06,337 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 54 [2021-07-14 20:43:06,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:06,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:06,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:06,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:06,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:06,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:06,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:06,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:06,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:06,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:43:06,665 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:43:06,666 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:43:06,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:43:06,667 INFO L82 PathProgramCache]: Analyzing trace with hash 744702690, now seen corresponding path program 8 times [2021-07-14 20:43:06,667 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:43:06,667 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861284912] [2021-07-14 20:43:06,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:43:06,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:43:06,783 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:06,784 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:43:06,784 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861284912] [2021-07-14 20:43:06,784 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861284912] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:06,784 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1341309092] [2021-07-14 20:43:06,784 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 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 [2021-07-14 20:43:06,821 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 20:43:06,822 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:43:06,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-14 20:43:06,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:43:07,017 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 [2021-07-14 20:43:07,019 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:07,021 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:07,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 20:43:07,023 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:07,025 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:43:07,026 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:07,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-14 20:43:07,029 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:07,032 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 [2021-07-14 20:43:07,033 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:07,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 20:43:07,036 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:07,070 INFO L628 ElimStorePlain]: treesize reduction 26, result has 43.5 percent of original size [2021-07-14 20:43:07,070 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 20:43:07,071 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 20:43:07,071 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-14 20:43:07,098 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:07,098 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1341309092] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:07,098 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:43:07,098 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 16 [2021-07-14 20:43:07,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002257771] [2021-07-14 20:43:07,099 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-14 20:43:07,099 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:43:07,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-14 20:43:07,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2021-07-14 20:43:07,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:07,099 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:43:07,099 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.5) internal successors, (24), 16 states have internal predecessors, (24), 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) [2021-07-14 20:43:07,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:07,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:07,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:07,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:07,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:07,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:07,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:07,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:07,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:07,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:43:07,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:07,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:07,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:07,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:07,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:07,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:07,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:07,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:07,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:07,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:07,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:43:07,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:43:07,851 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:43:07,851 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:43:07,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:43:07,852 INFO L82 PathProgramCache]: Analyzing trace with hash 879028154, now seen corresponding path program 9 times [2021-07-14 20:43:07,852 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:43:07,852 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864349405] [2021-07-14 20:43:07,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:43:07,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:43:07,960 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:07,960 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:43:07,961 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864349405] [2021-07-14 20:43:07,961 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864349405] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:07,961 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [221420152] [2021-07-14 20:43:07,961 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 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 [2021-07-14 20:43:07,999 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-14 20:43:08,000 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:43:08,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-14 20:43:08,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:43:08,149 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:08,149 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 16 treesize of output 12 [2021-07-14 20:43:08,150 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:08,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 20:43:08,153 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:08,191 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 20:43:08,191 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 20:43:08,192 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 20:43:08,192 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 20:43:08,219 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:08,219 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [221420152] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:08,219 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:43:08,219 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 16 [2021-07-14 20:43:08,219 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291789562] [2021-07-14 20:43:08,220 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-14 20:43:08,220 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:43:08,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-14 20:43:08,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2021-07-14 20:43:08,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:08,221 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:43:08,221 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.5) internal successors, (24), 16 states have internal predecessors, (24), 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) [2021-07-14 20:43:08,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:08,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:08,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:08,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:08,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:08,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:08,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:08,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:08,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:08,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:43:08,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:43:08,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:08,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:08,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:08,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:08,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:08,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:08,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:08,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:08,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:08,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:08,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:43:08,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:43:08,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:43:08,670 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable67 [2021-07-14 20:43:08,673 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:43:08,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:43:08,673 INFO L82 PathProgramCache]: Analyzing trace with hash 1500373930, now seen corresponding path program 10 times [2021-07-14 20:43:08,674 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:43:08,674 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754760067] [2021-07-14 20:43:08,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:43:08,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:43:09,122 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:09,123 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:43:09,123 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754760067] [2021-07-14 20:43:09,123 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754760067] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:09,123 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [583727832] [2021-07-14 20:43:09,123 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 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 [2021-07-14 20:43:09,155 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 20:43:09,155 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:43:09,156 WARN L261 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 53 conjunts are in the unsatisfiable core [2021-07-14 20:43:09,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:43:09,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:09,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:09,953 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:09,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:09,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:09,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:09,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:09,957 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:09,974 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 [2021-07-14 20:43:09,977 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:09,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:09,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:09,982 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:09,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:09,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:09,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:09,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:09,985 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 60 treesize of output 42 [2021-07-14 20:43:09,987 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:10,000 INFO L628 ElimStorePlain]: treesize reduction 106, result has 9.4 percent of original size [2021-07-14 20:43:10,000 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-07-14 20:43:10,000 INFO L518 ElimStorePlain]: Eliminatee v_prenex_20 vanished before elimination [2021-07-14 20:43:10,000 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 20:43:10,000 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 20:43:10,001 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:206, output treesize:11 [2021-07-14 20:43:10,034 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:10,034 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [583727832] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:10,034 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:43:10,034 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 22 [2021-07-14 20:43:10,034 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571629939] [2021-07-14 20:43:10,035 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-14 20:43:10,035 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:43:10,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-14 20:43:10,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2021-07-14 20:43:10,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:10,035 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:43:10,035 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 1.4545454545454546) internal successors, (32), 22 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) [2021-07-14 20:43:10,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:10,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:10,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:10,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:10,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:10,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:10,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:10,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:10,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:10,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:43:10,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:43:10,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:43:10,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:11,229 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 78 [2021-07-14 20:43:11,391 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2021-07-14 20:43:11,542 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 77 [2021-07-14 20:43:11,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:11,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:11,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:11,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:11,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:11,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:11,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:11,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:11,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:11,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:43:11,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:43:11,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:43:11,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:43:11,868 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable69 [2021-07-14 20:43:11,868 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:43:11,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:43:11,868 INFO L82 PathProgramCache]: Analyzing trace with hash -712743494, now seen corresponding path program 11 times [2021-07-14 20:43:11,868 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:43:11,869 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688091773] [2021-07-14 20:43:11,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:43:11,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:43:11,998 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:11,998 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:43:11,998 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688091773] [2021-07-14 20:43:11,998 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688091773] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:11,998 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1385147476] [2021-07-14 20:43:11,998 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 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 [2021-07-14 20:43:12,032 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-14 20:43:12,032 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:43:12,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-14 20:43:12,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:43:12,175 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 [2021-07-14 20:43:12,177 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:12,178 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 [2021-07-14 20:43:12,179 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:12,181 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:12,182 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 17 treesize of output 13 [2021-07-14 20:43:12,183 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:12,185 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:12,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 20:43:12,186 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:12,188 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:43:12,189 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:12,190 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 [2021-07-14 20:43:12,191 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:12,210 INFO L628 ElimStorePlain]: treesize reduction 26, result has 43.5 percent of original size [2021-07-14 20:43:12,211 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 20:43:12,211 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 20:43:12,211 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-14 20:43:12,240 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:12,240 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1385147476] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:12,240 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:43:12,240 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 19 [2021-07-14 20:43:12,241 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188473461] [2021-07-14 20:43:12,241 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-14 20:43:12,241 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:43:12,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-14 20:43:12,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-07-14 20:43:12,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:12,242 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:43:12,242 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 19 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) [2021-07-14 20:43:12,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:12,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:12,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:12,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:12,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:12,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:12,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:12,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:12,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:12,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:43:12,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:43:12,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:43:12,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:43:12,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:12,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:12,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:12,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:12,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:12,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:12,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:12,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:12,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:12,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:12,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:43:12,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:43:12,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:43:12,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:43:12,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:43:13,068 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable88 [2021-07-14 20:43:13,068 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:43:13,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:43:13,069 INFO L82 PathProgramCache]: Analyzing trace with hash -843621406, now seen corresponding path program 12 times [2021-07-14 20:43:13,069 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:43:13,069 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329220621] [2021-07-14 20:43:13,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:43:13,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:43:13,201 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:13,201 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:43:13,201 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329220621] [2021-07-14 20:43:13,201 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329220621] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:13,201 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [885447411] [2021-07-14 20:43:13,201 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 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 [2021-07-14 20:43:13,234 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-14 20:43:13,234 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:43:13,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-14 20:43:13,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:43:13,367 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:13,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 20:43:13,368 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:13,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 20:43:13,371 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:13,385 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 20:43:13,386 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 20:43:13,386 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 20:43:13,386 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 20:43:13,412 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:13,412 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [885447411] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:13,412 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:43:13,413 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 19 [2021-07-14 20:43:13,413 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310662883] [2021-07-14 20:43:13,413 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-14 20:43:13,413 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:43:13,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-14 20:43:13,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-07-14 20:43:13,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:13,414 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:43:13,414 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 19 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) [2021-07-14 20:43:13,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:13,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:13,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:13,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:13,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:13,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:13,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:13,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:13,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:13,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:43:13,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:43:13,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:43:13,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:43:13,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:43:13,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:13,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:13,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:13,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:43:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:43:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:43:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:43:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:43:13,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:13,913 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:43:13,913 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:43:13,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:43:13,913 INFO L82 PathProgramCache]: Analyzing trace with hash -362154878, now seen corresponding path program 13 times [2021-07-14 20:43:13,914 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:43:13,914 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143827107] [2021-07-14 20:43:13,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:43:13,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:43:14,453 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:14,453 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:43:14,453 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143827107] [2021-07-14 20:43:14,453 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143827107] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:14,453 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1759970660] [2021-07-14 20:43:14,453 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-07-14 20:43:14,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:43:14,488 WARN L261 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 65 conjunts are in the unsatisfiable core [2021-07-14 20:43:14,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:43:15,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:15,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:15,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:15,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:15,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:15,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:15,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:15,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:15,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:15,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:15,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:15,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:15,543 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:15,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:15,544 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 [2021-07-14 20:43:15,546 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:15,564 INFO L628 ElimStorePlain]: treesize reduction 177, result has 5.9 percent of original size [2021-07-14 20:43:15,564 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 20:43:15,564 INFO L518 ElimStorePlain]: Eliminatee v_prenex_28 vanished before elimination [2021-07-14 20:43:15,564 INFO L518 ElimStorePlain]: Eliminatee v_prenex_27 vanished before elimination [2021-07-14 20:43:15,564 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 20:43:15,564 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:239, output treesize:11 [2021-07-14 20:43:15,598 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:15,598 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1759970660] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:15,598 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:43:15,598 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14] total 26 [2021-07-14 20:43:15,598 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550485437] [2021-07-14 20:43:15,599 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-14 20:43:15,599 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:43:15,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-14 20:43:15,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2021-07-14 20:43:15,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:15,599 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:43:15,600 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 26 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) [2021-07-14 20:43:15,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:15,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:15,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:15,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:15,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:15,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:15,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:15,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:15,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:15,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:43:15,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:43:15,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:43:15,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:43:15,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:43:15,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:15,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:17,130 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 82 [2021-07-14 20:43:17,299 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 64 [2021-07-14 20:43:17,453 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 90 [2021-07-14 20:43:17,619 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 91 [2021-07-14 20:43:17,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:17,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:17,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:17,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:17,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:17,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:17,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:17,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:17,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:17,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:43:17,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:43:17,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:43:17,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:43:17,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:43:17,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:17,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:43:18,104 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable97 [2021-07-14 20:43:18,104 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:43:18,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:43:18,105 INFO L82 PathProgramCache]: Analyzing trace with hash 1678405602, now seen corresponding path program 14 times [2021-07-14 20:43:18,105 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:43:18,105 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287324398] [2021-07-14 20:43:18,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:43:18,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:43:18,270 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:18,271 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:43:18,271 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287324398] [2021-07-14 20:43:18,271 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287324398] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:18,271 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [427113073] [2021-07-14 20:43:18,271 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 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 [2021-07-14 20:43:18,306 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 20:43:18,306 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:43:18,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 30 conjunts are in the unsatisfiable core [2021-07-14 20:43:18,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:43:18,482 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:18,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 20:43:18,483 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:18,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-14 20:43:18,486 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:18,488 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:18,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 20:43:18,489 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:18,491 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:43:18,492 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:18,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-14 20:43:18,494 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:18,496 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 [2021-07-14 20:43:18,497 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:18,517 INFO L628 ElimStorePlain]: treesize reduction 26, result has 43.5 percent of original size [2021-07-14 20:43:18,517 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 20:43:18,517 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 20:43:18,517 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-14 20:43:18,557 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:18,557 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [427113073] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:18,557 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:43:18,558 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 22 [2021-07-14 20:43:18,558 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693712571] [2021-07-14 20:43:18,558 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-14 20:43:18,558 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:43:18,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-14 20:43:18,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2021-07-14 20:43:18,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:18,559 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:43:18,559 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 22 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) [2021-07-14 20:43:18,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:18,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:18,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:18,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:18,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:18,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:18,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:18,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:18,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:18,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:43:18,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:43:18,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:43:18,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:43:18,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:43:18,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:18,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:43:18,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:19,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:19,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:19,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:19,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:19,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:19,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:19,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:19,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:19,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:19,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:43:19,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:43:19,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:43:19,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:43:19,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:43:19,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:19,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:43:19,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:43:19,466 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:43:19,467 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:43:19,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:43:19,467 INFO L82 PathProgramCache]: Analyzing trace with hash 1916157626, now seen corresponding path program 15 times [2021-07-14 20:43:19,467 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:43:19,467 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184563667] [2021-07-14 20:43:19,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:43:19,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:43:19,612 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:19,612 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:43:19,612 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184563667] [2021-07-14 20:43:19,612 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184563667] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:19,612 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [284616671] [2021-07-14 20:43:19,612 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 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 [2021-07-14 20:43:19,647 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-14 20:43:19,647 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:43:19,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 30 conjunts are in the unsatisfiable core [2021-07-14 20:43:19,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:43:19,833 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:19,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 20:43:19,834 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:19,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 20:43:19,839 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:19,851 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 20:43:19,851 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 20:43:19,851 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 20:43:19,851 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 20:43:19,885 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:19,886 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [284616671] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:19,886 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:43:19,886 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 22 [2021-07-14 20:43:19,886 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149863337] [2021-07-14 20:43:19,886 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-14 20:43:19,886 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:43:19,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-14 20:43:19,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2021-07-14 20:43:19,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:19,887 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:43:19,887 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 22 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) [2021-07-14 20:43:19,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:19,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:19,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:19,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:19,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:19,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:19,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:19,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:19,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:19,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:43:19,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:43:19,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:43:19,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:43:19,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:43:19,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:19,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:43:19,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:43:19,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:20,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:20,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:20,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:20,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:20,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:20,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:20,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:20,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:20,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:20,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:43:20,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:43:20,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:43:20,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:43:20,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:43:20,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:20,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:43:20,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:43:20,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:43:20,385 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable125 [2021-07-14 20:43:20,386 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:43:20,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:43:20,386 INFO L82 PathProgramCache]: Analyzing trace with hash -708350806, now seen corresponding path program 16 times [2021-07-14 20:43:20,386 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:43:20,386 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032357662] [2021-07-14 20:43:20,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:43:20,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:43:20,978 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:20,978 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:43:20,978 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032357662] [2021-07-14 20:43:20,978 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032357662] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:20,979 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [415528570] [2021-07-14 20:43:20,979 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 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 [2021-07-14 20:43:21,018 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 20:43:21,018 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:43:21,019 WARN L261 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 77 conjunts are in the unsatisfiable core [2021-07-14 20:43:21,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:43:22,132 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 81 [2021-07-14 20:43:22,546 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:22,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:22,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:22,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:22,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:22,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:22,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:22,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:22,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:22,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:22,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:22,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:22,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:22,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:22,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:22,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:22,555 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:22,565 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 [2021-07-14 20:43:22,567 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:22,570 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:22,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:22,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:22,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:22,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:22,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:22,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:22,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:22,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:22,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:22,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:22,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:22,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:22,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:22,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:22,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:22,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 56 [2021-07-14 20:43:22,581 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:22,592 INFO L628 ElimStorePlain]: treesize reduction 134, result has 7.6 percent of original size [2021-07-14 20:43:22,592 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 20:43:22,592 INFO L518 ElimStorePlain]: Eliminatee v_prenex_38 vanished before elimination [2021-07-14 20:43:22,592 INFO L518 ElimStorePlain]: Eliminatee v_prenex_37 vanished before elimination [2021-07-14 20:43:22,593 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 20:43:22,593 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:272, output treesize:11 [2021-07-14 20:43:22,630 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:22,631 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [415528570] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:22,631 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:43:22,631 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 30 [2021-07-14 20:43:22,631 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305443656] [2021-07-14 20:43:22,631 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-07-14 20:43:22,631 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:43:22,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-07-14 20:43:22,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=799, Unknown=0, NotChecked=0, Total=870 [2021-07-14 20:43:22,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:22,632 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:43:22,632 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 30 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:43:22,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:22,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:22,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:22,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:22,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:22,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:22,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:22,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:22,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:22,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:43:22,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:43:22,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:43:22,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:43:22,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:43:22,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:22,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:43:22,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:43:22,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:43:22,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:24,943 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 62 [2021-07-14 20:43:25,482 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 96 [2021-07-14 20:43:25,669 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 95 [2021-07-14 20:43:26,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:26,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:26,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:26,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:26,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:26,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:26,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:26,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:26,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:26,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:43:26,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:43:26,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:43:26,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:43:26,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:43:26,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:26,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:43:26,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:43:26,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:43:26,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:43:26,236 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable127 [2021-07-14 20:43:26,237 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:43:26,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:43:26,237 INFO L82 PathProgramCache]: Analyzing trace with hash -463733574, now seen corresponding path program 17 times [2021-07-14 20:43:26,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:43:26,237 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202787226] [2021-07-14 20:43:26,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:43:26,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:43:26,446 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 7 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:26,447 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:43:26,447 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202787226] [2021-07-14 20:43:26,447 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202787226] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:26,447 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1353353619] [2021-07-14 20:43:26,447 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 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 [2021-07-14 20:43:26,493 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-07-14 20:43:26,493 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:43:26,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 34 conjunts are in the unsatisfiable core [2021-07-14 20:43:26,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:43:26,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-14 20:43:26,711 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:26,713 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 [2021-07-14 20:43:26,714 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:26,716 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:26,716 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 16 treesize of output 12 [2021-07-14 20:43:26,717 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:26,719 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 [2021-07-14 20:43:26,720 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:26,722 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 [2021-07-14 20:43:26,723 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:26,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 20:43:26,726 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:26,748 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-07-14 20:43:26,749 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 20:43:26,749 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 20:43:26,749 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-14 20:43:26,782 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 7 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:26,782 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1353353619] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:26,782 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:43:26,782 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 25 [2021-07-14 20:43:26,782 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584783140] [2021-07-14 20:43:26,782 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-14 20:43:26,782 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:43:26,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-14 20:43:26,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=539, Unknown=0, NotChecked=0, Total=600 [2021-07-14 20:43:26,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:26,783 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:43:26,783 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.32) internal successors, (33), 25 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) [2021-07-14 20:43:26,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:26,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:26,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:26,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:26,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:26,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:26,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:26,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:26,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:26,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:43:26,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:43:26,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:43:26,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:43:26,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:43:26,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:26,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:43:26,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:43:26,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:43:26,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:43:26,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:27,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:27,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:27,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:27,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:27,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:27,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:27,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:27,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:27,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:27,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:43:27,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:43:27,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:43:27,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:43:27,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:43:27,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:27,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:43:27,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:43:27,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:43:27,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:43:27,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:43:27,890 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable150,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:43:27,891 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:43:27,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:43:27,891 INFO L82 PathProgramCache]: Analyzing trace with hash -1683355422, now seen corresponding path program 18 times [2021-07-14 20:43:27,891 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:43:27,891 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026560029] [2021-07-14 20:43:27,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:43:27,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:43:28,092 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:28,092 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:43:28,093 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026560029] [2021-07-14 20:43:28,093 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026560029] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:28,093 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [557913970] [2021-07-14 20:43:28,093 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 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 [2021-07-14 20:43:28,131 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-07-14 20:43:28,132 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:43:28,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 34 conjunts are in the unsatisfiable core [2021-07-14 20:43:28,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:43:28,343 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:28,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 20:43:28,345 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:28,347 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 16 treesize of output 12 [2021-07-14 20:43:28,348 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:28,362 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 20:43:28,362 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 20:43:28,362 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 20:43:28,362 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 20:43:28,390 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:28,390 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [557913970] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:28,391 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:43:28,391 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 25 [2021-07-14 20:43:28,391 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854252961] [2021-07-14 20:43:28,391 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-14 20:43:28,391 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:43:28,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-14 20:43:28,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=539, Unknown=0, NotChecked=0, Total=600 [2021-07-14 20:43:28,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:28,392 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:43:28,392 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.32) internal successors, (33), 25 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) [2021-07-14 20:43:28,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:28,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:28,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:28,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:28,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:28,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:28,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:28,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:28,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:28,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:43:28,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:43:28,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:43:28,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:43:28,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:43:28,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:28,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:43:28,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:43:28,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:43:28,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:43:28,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:43:28,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:28,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:28,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:28,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:28,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:28,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:28,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:28,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:28,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:28,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:28,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:43:28,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:43:28,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:43:28,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:43:28,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:43:28,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:28,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:43:28,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:43:28,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:43:28,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:43:28,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:43:28,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:28,967 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable157 [2021-07-14 20:43:28,967 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:43:28,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:43:28,967 INFO L82 PathProgramCache]: Analyzing trace with hash -624105598, now seen corresponding path program 19 times [2021-07-14 20:43:28,968 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:43:28,968 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233891541] [2021-07-14 20:43:28,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:43:28,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:43:29,993 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:29,993 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:43:29,993 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233891541] [2021-07-14 20:43:29,993 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233891541] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:29,993 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1565329631] [2021-07-14 20:43:29,993 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 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 [2021-07-14 20:43:30,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:43:30,031 WARN L261 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 89 conjunts are in the unsatisfiable core [2021-07-14 20:43:30,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:43:31,105 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 90 [2021-07-14 20:43:31,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:31,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:31,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:31,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:31,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:31,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:31,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:31,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:31,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:31,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:31,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:31,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:31,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:31,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:31,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:31,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:32,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:32,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:32,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:32,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:32,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:32,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:32,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:32,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:32,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:32,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:32,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:32,006 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:32,025 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:32,026 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 [2021-07-14 20:43:32,029 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:32,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:32,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:32,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:32,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:32,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:32,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:32,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:32,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:32,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:32,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:32,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:32,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:32,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:32,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:32,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:32,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:32,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:32,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:32,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:32,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:32,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:32,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:32,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:32,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:32,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:32,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:32,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:32,049 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:32,049 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 [2021-07-14 20:43:32,052 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:32,112 INFO L628 ElimStorePlain]: treesize reduction 124, result has 48.1 percent of original size [2021-07-14 20:43:32,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:32,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:32,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:32,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:32,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:32,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:32,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:32,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:32,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:32,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:32,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:32,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:32,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:32,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:32,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:32,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:32,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:32,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:32,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:32,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:32,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:32,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:32,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:32,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:32,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:32,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:32,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:32,131 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:32,131 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 [2021-07-14 20:43:32,134 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:32,144 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:43:32,144 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 20:43:32,146 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:32,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 13 [2021-07-14 20:43:32,147 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:32,156 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:43:32,157 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 20:43:32,157 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:389, output treesize:22 [2021-07-14 20:43:32,218 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:32,218 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1565329631] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:32,218 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:43:32,218 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 18] total 35 [2021-07-14 20:43:32,218 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210064033] [2021-07-14 20:43:32,218 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 20:43:32,218 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:43:32,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 20:43:32,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=1116, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 20:43:32,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:32,219 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:43:32,219 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 1.2571428571428571) internal successors, (44), 35 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:43:32,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:32,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:32,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:32,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:32,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:32,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:32,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:32,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:32,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:32,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:43:32,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:43:32,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:43:32,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:43:32,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:43:32,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:32,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:43:32,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:43:32,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:43:32,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:43:32,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:43:32,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:32,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:34,084 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 118 [2021-07-14 20:43:34,322 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 114 [2021-07-14 20:43:34,603 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 114 [2021-07-14 20:43:34,852 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 114 [2021-07-14 20:43:35,247 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 122 [2021-07-14 20:43:35,515 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 114 [2021-07-14 20:43:35,911 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 122 [2021-07-14 20:43:36,163 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 91 [2021-07-14 20:43:36,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:36,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:36,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:36,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:36,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:36,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:36,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:36,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:36,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:36,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:43:36,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:43:36,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:43:36,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:43:36,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:43:36,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:36,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:43:36,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:43:36,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:43:36,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:43:36,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:43:36,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:36,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:43:36,464 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable159 [2021-07-14 20:43:36,464 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:43:36,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:43:36,464 INFO L82 PathProgramCache]: Analyzing trace with hash -2147099422, now seen corresponding path program 20 times [2021-07-14 20:43:36,464 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:43:36,464 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096427127] [2021-07-14 20:43:36,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:43:36,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:43:36,806 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:36,806 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:43:36,806 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096427127] [2021-07-14 20:43:36,806 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096427127] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:36,806 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1529190476] [2021-07-14 20:43:36,806 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 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 [2021-07-14 20:43:36,891 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 20:43:36,891 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:43:36,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 38 conjunts are in the unsatisfiable core [2021-07-14 20:43:36,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:43:37,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-14 20:43:37,217 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:37,219 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 [2021-07-14 20:43:37,220 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:37,222 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 [2021-07-14 20:43:37,223 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:37,226 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:37,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 20:43:37,227 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:37,229 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-14 20:43:37,230 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:37,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 20:43:37,234 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:37,261 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-07-14 20:43:37,261 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 20:43:37,262 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 20:43:37,262 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-14 20:43:37,305 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:37,305 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1529190476] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:37,305 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:43:37,305 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 28 [2021-07-14 20:43:37,306 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229832665] [2021-07-14 20:43:37,306 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-14 20:43:37,306 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:43:37,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-14 20:43:37,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=687, Unknown=0, NotChecked=0, Total=756 [2021-07-14 20:43:37,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:37,307 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:43:37,307 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 28 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) [2021-07-14 20:43:37,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:37,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:37,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:37,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:37,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:37,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:37,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:37,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:37,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:37,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:43:37,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:43:37,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:43:37,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:43:37,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:43:37,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:37,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:43:37,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:43:37,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:43:37,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:43:37,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:43:37,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:37,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:43:37,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:38,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:38,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:38,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:38,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:38,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:38,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:38,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:38,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:38,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:38,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:43:38,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:43:38,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:43:38,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:43:38,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:43:38,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:38,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:43:38,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:43:38,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:43:38,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:43:38,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:43:38,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:38,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:43:38,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:43:38,672 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable197,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:43:38,673 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:43:38,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:43:38,673 INFO L82 PathProgramCache]: Analyzing trace with hash -1300671046, now seen corresponding path program 21 times [2021-07-14 20:43:38,673 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:43:38,673 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850991697] [2021-07-14 20:43:38,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:43:38,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:43:38,931 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:38,931 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:43:38,931 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850991697] [2021-07-14 20:43:38,931 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850991697] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:38,931 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2146765440] [2021-07-14 20:43:38,931 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 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 [2021-07-14 20:43:38,973 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-14 20:43:38,974 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:43:38,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 38 conjunts are in the unsatisfiable core [2021-07-14 20:43:38,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:43:39,235 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:39,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 20:43:39,236 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:39,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 20:43:39,239 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:39,254 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 20:43:39,254 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 20:43:39,254 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 20:43:39,254 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 20:43:39,285 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:39,285 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2146765440] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:39,285 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:43:39,285 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 28 [2021-07-14 20:43:39,285 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320097826] [2021-07-14 20:43:39,286 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-14 20:43:39,286 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:43:39,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-14 20:43:39,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=687, Unknown=0, NotChecked=0, Total=756 [2021-07-14 20:43:39,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:39,286 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:43:39,286 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 28 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) [2021-07-14 20:43:39,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:39,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:39,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:39,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:39,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:39,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:39,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:39,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:39,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:39,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:43:39,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:43:39,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:43:39,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:43:39,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:43:39,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:39,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:43:39,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:43:39,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:43:39,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:43:39,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:43:39,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:39,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:43:39,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:43:39,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:39,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:39,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:39,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:39,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:39,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:39,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:39,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:39,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:39,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:39,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:43:39,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:43:39,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:43:39,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:43:39,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:43:39,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:39,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:43:39,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:43:39,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:43:39,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:43:39,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:43:39,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:39,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:43:39,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:43:39,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:43:39,961 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable204 [2021-07-14 20:43:39,961 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:43:39,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:43:39,962 INFO L82 PathProgramCache]: Analyzing trace with hash -1645791830, now seen corresponding path program 22 times [2021-07-14 20:43:39,962 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:43:39,962 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208387060] [2021-07-14 20:43:39,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:43:39,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:43:40,890 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:40,890 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:43:40,891 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208387060] [2021-07-14 20:43:40,891 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208387060] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:40,891 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [366899928] [2021-07-14 20:43:40,891 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 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 [2021-07-14 20:43:40,930 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 20:43:40,930 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:43:40,932 WARN L261 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 101 conjunts are in the unsatisfiable core [2021-07-14 20:43:40,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:43:41,991 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-07-14 20:43:42,464 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-07-14 20:43:42,733 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 99 [2021-07-14 20:43:42,964 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 99 [2021-07-14 20:43:43,173 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-07-14 20:43:43,421 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 99 [2021-07-14 20:43:43,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:43,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:43,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:43,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:43,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:43,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:43,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:43,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:43,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:43,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:43,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:43,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:43,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:43,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:43,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:43,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:43,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:43,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:43,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:43,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:43,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:43,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:43,501 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:43,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:43,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:43,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:43,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:43,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:43,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:43,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:43,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:43,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:43,507 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 [2021-07-14 20:43:43,510 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:43,534 INFO L628 ElimStorePlain]: treesize reduction 239, result has 4.4 percent of original size [2021-07-14 20:43:43,534 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 20:43:43,534 INFO L518 ElimStorePlain]: Eliminatee v_prenex_56 vanished before elimination [2021-07-14 20:43:43,534 INFO L518 ElimStorePlain]: Eliminatee v_prenex_55 vanished before elimination [2021-07-14 20:43:43,534 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 20:43:43,534 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:338, output treesize:11 [2021-07-14 20:43:43,583 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:43,583 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [366899928] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:43,583 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:43:43,583 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20] total 38 [2021-07-14 20:43:43,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470136650] [2021-07-14 20:43:43,584 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-07-14 20:43:43,584 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:43:43,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-07-14 20:43:43,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=1315, Unknown=0, NotChecked=0, Total=1406 [2021-07-14 20:43:43,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:43,585 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:43:43,585 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 1.263157894736842) internal successors, (48), 38 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) [2021-07-14 20:43:43,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:43,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:43,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:43,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:43,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:43,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:43,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:43,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:43,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:43,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:43:43,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:43:43,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:43:43,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:43:43,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:43:43,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:43,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:43:43,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:43:43,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:43:43,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:43:43,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:43:43,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:43,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:43:43,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:43:43,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:43:43,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:46,866 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2021-07-14 20:43:48,058 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 80 [2021-07-14 20:43:48,334 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 83 [2021-07-14 20:43:48,655 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 83 [2021-07-14 20:43:48,978 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 83 [2021-07-14 20:43:49,291 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 83 [2021-07-14 20:43:49,620 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 83 [2021-07-14 20:43:49,929 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 83 [2021-07-14 20:43:50,258 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 122 [2021-07-14 20:43:50,451 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2021-07-14 20:43:50,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:50,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:50,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:50,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:50,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:50,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:50,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:50,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:50,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:50,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:43:50,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:43:50,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:43:50,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:43:50,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:43:50,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:50,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:43:50,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:43:50,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:43:50,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:43:50,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:43:50,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:50,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:43:50,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:43:50,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:43:50,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 20:43:50,743 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable206,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:43:50,743 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:43:50,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:43:50,744 INFO L82 PathProgramCache]: Analyzing trace with hash 540365754, now seen corresponding path program 23 times [2021-07-14 20:43:50,744 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:43:50,744 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898212989] [2021-07-14 20:43:50,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:43:50,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:43:50,996 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 9 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:50,996 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:43:50,996 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898212989] [2021-07-14 20:43:50,996 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898212989] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:50,996 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1300577261] [2021-07-14 20:43:50,996 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 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 [2021-07-14 20:43:51,042 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-14 20:43:51,043 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:43:51,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 42 conjunts are in the unsatisfiable core [2021-07-14 20:43:51,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:43:51,323 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:51,324 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 [2021-07-14 20:43:51,324 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:51,326 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:51,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2021-07-14 20:43:51,328 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:51,330 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:43:51,330 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:51,332 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 [2021-07-14 20:43:51,333 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:51,334 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 7 treesize of output 5 [2021-07-14 20:43:51,335 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:51,337 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:43:51,338 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:51,356 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-07-14 20:43:51,356 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 20:43:51,357 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 20:43:51,357 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-14 20:43:51,438 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 9 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:51,438 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1300577261] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:51,439 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:43:51,439 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 31 [2021-07-14 20:43:51,439 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286735965] [2021-07-14 20:43:51,439 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-14 20:43:51,439 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:43:51,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-14 20:43:51,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=853, Unknown=0, NotChecked=0, Total=930 [2021-07-14 20:43:51,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:51,440 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:43:51,440 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 31 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) [2021-07-14 20:43:51,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:51,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:51,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:51,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:51,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:51,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:51,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:51,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:51,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:51,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:43:51,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:43:51,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:43:51,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:43:51,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:43:51,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:51,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:43:51,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:43:51,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:43:51,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:43:51,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:43:51,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:51,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:43:51,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:43:51,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:43:51,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 20:43:51,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:52,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:52,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:52,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:52,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:52,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:52,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:52,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:52,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:52,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:52,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:43:52,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:43:52,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:43:52,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:43:52,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:43:52,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:52,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:43:52,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:43:52,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:43:52,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:43:52,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:43:52,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:52,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:43:52,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:43:52,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:43:52,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 20:43:52,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 20:43:52,988 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable234 [2021-07-14 20:43:52,989 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:43:52,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:43:52,989 INFO L82 PathProgramCache]: Analyzing trace with hash 1009841634, now seen corresponding path program 24 times [2021-07-14 20:43:52,989 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:43:52,989 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580243128] [2021-07-14 20:43:52,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:43:52,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:43:53,303 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:53,304 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:43:53,304 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580243128] [2021-07-14 20:43:53,304 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580243128] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:53,304 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [668739877] [2021-07-14 20:43:53,304 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 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 [2021-07-14 20:43:53,363 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-07-14 20:43:53,363 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:43:53,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 42 conjunts are in the unsatisfiable core [2021-07-14 20:43:53,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:43:53,684 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:53,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 20:43:53,686 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:53,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 20:43:53,689 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:53,703 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 20:43:53,703 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 20:43:53,703 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 20:43:53,703 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 20:43:53,734 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:53,734 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [668739877] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:53,734 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:43:53,734 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 31 [2021-07-14 20:43:53,734 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401935105] [2021-07-14 20:43:53,734 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-14 20:43:53,735 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:43:53,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-14 20:43:53,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=853, Unknown=0, NotChecked=0, Total=930 [2021-07-14 20:43:53,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:53,736 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:43:53,737 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 31 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) [2021-07-14 20:43:53,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:53,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:53,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:53,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:53,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:53,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:53,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:53,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:53,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:53,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:43:53,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:43:53,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:43:53,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:43:53,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:43:53,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:53,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:43:53,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:43:53,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:43:53,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:43:53,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:43:53,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:53,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:43:53,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:43:53,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:43:53,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 20:43:53,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 20:43:53,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:54,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:54,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:54,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:54,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:54,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:54,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:54,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:54,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:54,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:54,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:43:54,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:43:54,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:43:54,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:43:54,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:43:54,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:54,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:43:54,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:43:54,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:43:54,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:43:54,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:43:54,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:54,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:43:54,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:43:54,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:43:54,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 20:43:54,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 20:43:54,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:43:54,484 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable241,27 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:43:54,484 INFO L430 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:43:54,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:43:54,485 INFO L82 PathProgramCache]: Analyzing trace with hash 1260624514, now seen corresponding path program 25 times [2021-07-14 20:43:54,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:43:54,485 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394903563] [2021-07-14 20:43:54,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:43:54,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:43:55,655 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:55,655 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:43:55,656 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394903563] [2021-07-14 20:43:55,656 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394903563] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:55,656 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [752929386] [2021-07-14 20:43:55,656 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 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 [2021-07-14 20:43:55,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:43:55,700 WARN L261 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 113 conjunts are in the unsatisfiable core [2021-07-14 20:43:55,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:43:56,970 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-07-14 20:43:57,218 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2021-07-14 20:43:57,483 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-07-14 20:43:57,763 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2021-07-14 20:43:57,997 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2021-07-14 20:43:58,230 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2021-07-14 20:43:58,484 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2021-07-14 20:43:58,734 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2021-07-14 20:43:58,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,835 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:58,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,838 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 [2021-07-14 20:43:58,841 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:58,865 INFO L628 ElimStorePlain]: treesize reduction 265, result has 4.0 percent of original size [2021-07-14 20:43:58,865 INFO L518 ElimStorePlain]: Eliminatee v_prenex_64 vanished before elimination [2021-07-14 20:43:58,866 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 20:43:58,866 INFO L518 ElimStorePlain]: Eliminatee v_prenex_63 vanished before elimination [2021-07-14 20:43:58,866 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 20:43:58,866 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:371, output treesize:11 [2021-07-14 20:43:58,919 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:58,919 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [752929386] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:58,919 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:43:58,919 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 22] total 42 [2021-07-14 20:43:58,919 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047670632] [2021-07-14 20:43:58,919 INFO L462 AbstractCegarLoop]: Interpolant automaton has 42 states [2021-07-14 20:43:58,919 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:43:58,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-07-14 20:43:58,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1621, Unknown=0, NotChecked=0, Total=1722 [2021-07-14 20:43:58,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:58,920 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:43:58,920 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 42 states, 42 states have (on average 1.2380952380952381) internal successors, (52), 42 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) [2021-07-14 20:43:58,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:58,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:58,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:43:58,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:58,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:58,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:58,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:58,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:58,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:43:58,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:43:58,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:43:58,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:43:58,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:43:58,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:43:58,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:58,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:43:58,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:43:58,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:43:58,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:43:58,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:43:58,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:58,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:43:58,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:43:58,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:43:58,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 20:43:58,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 20:43:58,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:43:58,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:44:04,215 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 123 [2021-07-14 20:44:04,501 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 130 [2021-07-14 20:44:04,832 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 129 [2021-07-14 20:44:05,131 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 130 [2021-07-14 20:44:05,431 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 130 [2021-07-14 20:44:05,712 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 130 [2021-07-14 20:44:06,000 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 130 [2021-07-14 20:44:06,303 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 130 [2021-07-14 20:44:06,744 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 130 [2021-07-14 20:44:06,932 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2021-07-14 20:44:07,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:44:07,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:44:07,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:44:07,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:07,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:07,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:07,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:44:07,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:44:07,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:44:07,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:44:07,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:44:07,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:44:07,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:44:07,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:44:07,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:07,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:44:07,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:44:07,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:44:07,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:44:07,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:44:07,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:44:07,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:44:07,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:44:07,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:44:07,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 20:44:07,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 20:44:07,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:44:07,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 20:44:07,236 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable243 [2021-07-14 20:44:07,237 INFO L430 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:44:07,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:44:07,237 INFO L82 PathProgramCache]: Analyzing trace with hash 444959202, now seen corresponding path program 26 times [2021-07-14 20:44:07,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:44:07,237 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228201345] [2021-07-14 20:44:07,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:44:07,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:44:07,606 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:44:07,606 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:44:07,606 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228201345] [2021-07-14 20:44:07,606 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228201345] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:44:07,606 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [642890844] [2021-07-14 20:44:07,606 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 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 [2021-07-14 20:44:07,649 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 20:44:07,649 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:44:07,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 46 conjunts are in the unsatisfiable core [2021-07-14 20:44:07,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:44:08,032 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 [2021-07-14 20:44:08,033 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:08,036 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 [2021-07-14 20:44:08,037 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:08,038 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:08,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 20:44:08,039 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:08,041 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:44:08,041 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:08,044 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:44:08,044 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:08,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 20:44:08,046 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:08,063 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-07-14 20:44:08,063 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 20:44:08,064 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 20:44:08,064 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-14 20:44:08,098 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:44:08,098 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [642890844] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:44:08,098 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:44:08,098 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 34 [2021-07-14 20:44:08,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540762799] [2021-07-14 20:44:08,098 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-07-14 20:44:08,098 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:44:08,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-07-14 20:44:08,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1037, Unknown=0, NotChecked=0, Total=1122 [2021-07-14 20:44:08,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:44:08,099 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:44:08,099 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 1.2352941176470589) internal successors, (42), 34 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) [2021-07-14 20:44:08,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:44:08,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:44:08,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:44:08,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:08,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:08,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:08,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:44:08,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:44:08,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:44:08,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:44:08,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:44:08,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:44:08,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:44:08,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:44:08,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:08,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:44:08,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:44:08,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:44:08,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:44:08,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:44:08,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:44:08,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:44:08,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:44:08,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:44:08,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 20:44:08,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 20:44:08,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:44:08,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 20:44:08,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:44:09,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:44:09,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:44:09,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:44:09,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:09,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:09,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:09,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:44:09,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:44:09,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:44:09,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:44:09,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:44:09,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:44:09,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:44:09,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:44:09,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:09,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:44:09,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:44:09,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:44:09,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:44:09,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:44:09,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:44:09,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:44:09,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:44:09,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:44:09,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 20:44:09,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 20:44:09,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:44:09,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 20:44:09,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:44:09,824 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable276 [2021-07-14 20:44:09,825 INFO L430 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:44:09,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:44:09,825 INFO L82 PathProgramCache]: Analyzing trace with hash 2113809594, now seen corresponding path program 27 times [2021-07-14 20:44:09,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:44:09,825 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344646759] [2021-07-14 20:44:09,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:44:09,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:44:10,179 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:44:10,179 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:44:10,179 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344646759] [2021-07-14 20:44:10,179 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344646759] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:44:10,179 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1419875228] [2021-07-14 20:44:10,179 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 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 [2021-07-14 20:44:10,229 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-07-14 20:44:10,230 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:44:10,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 46 conjunts are in the unsatisfiable core [2021-07-14 20:44:10,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:44:10,549 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:10,549 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 16 treesize of output 12 [2021-07-14 20:44:10,550 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:10,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 20:44:10,553 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:10,567 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 20:44:10,567 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 20:44:10,568 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 20:44:10,568 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 20:44:10,600 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:44:10,600 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1419875228] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:44:10,600 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:44:10,600 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 34 [2021-07-14 20:44:10,600 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259302893] [2021-07-14 20:44:10,601 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-07-14 20:44:10,601 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:44:10,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-07-14 20:44:10,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1037, Unknown=0, NotChecked=0, Total=1122 [2021-07-14 20:44:10,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:44:10,601 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:44:10,601 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 1.2352941176470589) internal successors, (42), 34 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) [2021-07-14 20:44:10,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:44:10,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:44:10,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:44:10,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:10,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:10,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:10,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:44:10,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:44:10,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:44:10,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:44:10,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:44:10,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:44:10,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:44:10,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:44:10,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:10,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:44:10,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:44:10,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:44:10,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:44:10,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:44:10,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:44:10,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:44:10,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:44:10,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:44:10,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 20:44:10,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 20:44:10,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:44:10,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 20:44:10,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:44:10,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:44:11,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:44:11,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:44:11,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:44:11,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:11,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:11,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:11,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:44:11,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:44:11,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:44:11,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:44:11,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:44:11,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:44:11,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:44:11,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:44:11,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:11,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:44:11,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:44:11,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:44:11,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:44:11,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:44:11,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:44:11,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:44:11,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:44:11,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:44:11,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 20:44:11,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 20:44:11,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:44:11,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 20:44:11,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:44:11,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:44:11,400 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable283,30 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:44:11,401 INFO L430 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:44:11,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:44:11,401 INFO L82 PathProgramCache]: Analyzing trace with hash 1123892906, now seen corresponding path program 28 times [2021-07-14 20:44:11,401 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:44:11,401 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201462055] [2021-07-14 20:44:11,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:44:11,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:44:11,988 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:44:11,988 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:44:11,988 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201462055] [2021-07-14 20:44:11,988 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201462055] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:44:11,988 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1598575407] [2021-07-14 20:44:11,988 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 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 [2021-07-14 20:44:12,032 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 20:44:12,032 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:44:12,034 WARN L261 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 125 conjunts are in the unsatisfiable core [2021-07-14 20:44:12,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:44:13,505 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 117 [2021-07-14 20:44:14,004 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-07-14 20:44:14,326 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 117 [2021-07-14 20:44:14,596 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 117 [2021-07-14 20:44:14,892 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-07-14 20:44:15,222 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-07-14 20:44:15,529 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-07-14 20:44:15,881 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-07-14 20:44:16,188 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-07-14 20:44:16,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,289 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:16,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,326 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:16,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 45 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 84 [2021-07-14 20:44:16,339 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:16,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,373 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:16,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:16,382 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 45 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 82 [2021-07-14 20:44:16,385 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:16,398 INFO L628 ElimStorePlain]: treesize reduction 176, result has 5.9 percent of original size [2021-07-14 20:44:16,398 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-07-14 20:44:16,398 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 20:44:16,398 INFO L518 ElimStorePlain]: Eliminatee v_prenex_79 vanished before elimination [2021-07-14 20:44:16,398 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 20:44:16,398 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:404, output treesize:11 [2021-07-14 20:44:16,481 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:44:16,482 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1598575407] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:44:16,482 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:44:16,482 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 24] total 46 [2021-07-14 20:44:16,482 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487035929] [2021-07-14 20:44:16,482 INFO L462 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-07-14 20:44:16,482 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:44:16,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-07-14 20:44:16,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=1959, Unknown=0, NotChecked=0, Total=2070 [2021-07-14 20:44:16,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:44:16,483 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:44:16,483 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 46 states, 46 states have (on average 1.2173913043478262) internal successors, (56), 46 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) [2021-07-14 20:44:16,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:44:16,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:44:16,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:44:16,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:16,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:16,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:16,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:44:16,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:44:16,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:44:16,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:44:16,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:44:16,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:44:16,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:44:16,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:44:16,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:16,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:44:16,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:44:16,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:44:16,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:44:16,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:44:16,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:44:16,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:44:16,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:44:16,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:44:16,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 20:44:16,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 20:44:16,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:44:16,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 20:44:16,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:44:16,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:44:16,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:44:23,189 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 130 [2021-07-14 20:44:23,551 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 133 [2021-07-14 20:44:23,922 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 133 [2021-07-14 20:44:24,304 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 133 [2021-07-14 20:44:24,660 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 133 [2021-07-14 20:44:25,060 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 133 [2021-07-14 20:44:25,414 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 133 [2021-07-14 20:44:25,825 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 133 [2021-07-14 20:44:26,124 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 132 [2021-07-14 20:44:26,449 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 132 [2021-07-14 20:44:26,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:44:26,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:44:26,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:44:26,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:26,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:26,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:26,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:44:26,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:44:26,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:44:26,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:44:26,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:44:26,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:44:26,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:44:26,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:44:26,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:26,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:44:26,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:44:26,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:44:26,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:44:26,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:44:26,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:44:26,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:44:26,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:44:26,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:44:26,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 20:44:26,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 20:44:26,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:44:26,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 20:44:26,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:44:26,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:44:26,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 20:44:26,911 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable285,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:44:26,911 INFO L430 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:44:26,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:44:26,911 INFO L82 PathProgramCache]: Analyzing trace with hash 501246650, now seen corresponding path program 29 times [2021-07-14 20:44:26,911 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:44:26,912 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499879839] [2021-07-14 20:44:26,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:44:26,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:44:27,288 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 11 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:44:27,288 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:44:27,288 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499879839] [2021-07-14 20:44:27,288 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499879839] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:44:27,288 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2023437383] [2021-07-14 20:44:27,288 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 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 [2021-07-14 20:44:27,337 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-07-14 20:44:27,337 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:44:27,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 50 conjunts are in the unsatisfiable core [2021-07-14 20:44:27,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:44:27,730 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:27,730 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 16 treesize of output 12 [2021-07-14 20:44:27,731 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:27,733 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 [2021-07-14 20:44:27,734 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:27,736 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 8 treesize of output 6 [2021-07-14 20:44:27,737 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:27,739 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:27,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 20:44:27,740 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:27,742 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 [2021-07-14 20:44:27,743 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:27,744 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:44:27,745 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:27,767 INFO L628 ElimStorePlain]: treesize reduction 26, result has 43.5 percent of original size [2021-07-14 20:44:27,767 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 20:44:27,768 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 20:44:27,768 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-14 20:44:27,810 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 11 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:44:27,810 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2023437383] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:44:27,810 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:44:27,810 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 37 [2021-07-14 20:44:27,811 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058300774] [2021-07-14 20:44:27,811 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-14 20:44:27,811 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:44:27,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-14 20:44:27,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=1239, Unknown=0, NotChecked=0, Total=1332 [2021-07-14 20:44:27,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:44:27,812 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:44:27,812 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 1.2162162162162162) internal successors, (45), 37 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) [2021-07-14 20:44:27,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:44:27,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:44:27,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:44:27,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:27,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:27,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:27,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:44:27,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:44:27,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:44:27,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:44:27,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:44:27,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:44:27,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:44:27,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:44:27,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:27,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:44:27,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:44:27,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:44:27,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:44:27,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:44:27,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:44:27,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:44:27,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:44:27,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:44:27,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 20:44:27,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 20:44:27,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:44:27,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 20:44:27,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:44:27,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:44:27,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 20:44:27,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:44:29,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:44:29,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:44:29,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:44:29,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:29,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:29,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:29,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:44:29,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:44:29,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:44:29,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:44:29,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:44:29,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:44:29,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:44:29,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:44:29,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:29,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:44:29,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:44:29,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:44:29,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:44:29,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:44:29,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:44:29,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:44:29,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:44:29,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:44:29,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 20:44:29,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 20:44:29,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:44:29,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 20:44:29,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:44:29,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:44:29,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 20:44:29,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 20:44:29,706 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable317,32 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:44:29,707 INFO L430 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:44:29,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:44:29,707 INFO L82 PathProgramCache]: Analyzing trace with hash 696001250, now seen corresponding path program 30 times [2021-07-14 20:44:29,707 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:44:29,707 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801950149] [2021-07-14 20:44:29,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:44:29,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:44:30,097 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:44:30,097 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:44:30,097 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801950149] [2021-07-14 20:44:30,097 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801950149] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:44:30,097 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [447408253] [2021-07-14 20:44:30,097 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 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 [2021-07-14 20:44:30,155 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-07-14 20:44:30,155 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:44:30,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 50 conjunts are in the unsatisfiable core [2021-07-14 20:44:30,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:44:30,545 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:30,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 20:44:30,546 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:30,547 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 15 treesize of output 11 [2021-07-14 20:44:30,548 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:30,559 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 20:44:30,559 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 20:44:30,560 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 20:44:30,560 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 20:44:30,599 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:44:30,599 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [447408253] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:44:30,600 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:44:30,600 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 37 [2021-07-14 20:44:30,600 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76769142] [2021-07-14 20:44:30,600 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-14 20:44:30,600 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:44:30,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-14 20:44:30,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=1239, Unknown=0, NotChecked=0, Total=1332 [2021-07-14 20:44:30,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:44:30,601 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:44:30,601 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 1.2162162162162162) internal successors, (45), 37 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) [2021-07-14 20:44:30,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:44:30,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:44:30,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:44:30,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:30,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:30,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:30,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:44:30,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:44:30,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:44:30,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:44:30,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:44:30,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:44:30,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:44:30,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:44:30,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:30,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:44:30,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:44:30,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:44:30,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:44:30,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:44:30,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:44:30,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:44:30,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:44:30,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:44:30,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 20:44:30,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 20:44:30,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:44:30,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 20:44:30,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:44:30,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:44:30,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 20:44:30,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 20:44:30,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:44:31,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:44:31,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:44:31,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:44:31,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:31,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:31,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:31,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:44:31,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:44:31,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:44:31,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:44:31,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:44:31,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:44:31,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:44:31,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:44:31,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:31,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:44:31,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:44:31,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:44:31,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:44:31,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:44:31,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:44:31,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:44:31,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:44:31,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:44:31,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 20:44:31,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 20:44:31,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:44:31,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 20:44:31,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:44:31,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:44:31,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 20:44:31,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 20:44:31,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:44:31,660 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable324 [2021-07-14 20:44:31,660 INFO L430 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:44:31,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:44:31,660 INFO L82 PathProgramCache]: Analyzing trace with hash 121507202, now seen corresponding path program 31 times [2021-07-14 20:44:31,660 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:44:31,660 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634073027] [2021-07-14 20:44:31,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:44:31,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:44:32,848 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:44:32,849 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:44:32,849 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634073027] [2021-07-14 20:44:32,849 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634073027] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:44:32,849 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1231383457] [2021-07-14 20:44:32,849 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 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 [2021-07-14 20:44:32,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:44:32,922 WARN L261 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 137 conjunts are in the unsatisfiable core [2021-07-14 20:44:32,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:44:34,537 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-14 20:44:34,896 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 126 [2021-07-14 20:44:35,264 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 126 [2021-07-14 20:44:35,581 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-14 20:44:35,898 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-14 20:44:36,194 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-14 20:44:36,503 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-14 20:44:36,935 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 126 [2021-07-14 20:44:37,273 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-14 20:44:37,583 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-14 20:44:37,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:37,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:37,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:37,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:37,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:37,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:37,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:37,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:37,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:37,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:37,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:37,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:37,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:37,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:37,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:37,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:37,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:37,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:37,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:37,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:37,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:37,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:37,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:37,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:37,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:37,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:37,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:37,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:37,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:37,689 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:37,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:37,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:37,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:37,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:37,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:37,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:37,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:37,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:37,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:37,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:37,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:37,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:37,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:37,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:37,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:37,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:37,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:37,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:37,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:37,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:37,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:37,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:37,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:37,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:37,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:37,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:37,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:37,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:37,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 55 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 89 [2021-07-14 20:44:37,707 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:37,737 INFO L628 ElimStorePlain]: treesize reduction 305, result has 3.5 percent of original size [2021-07-14 20:44:37,737 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 20:44:37,737 INFO L518 ElimStorePlain]: Eliminatee v_prenex_89 vanished before elimination [2021-07-14 20:44:37,737 INFO L518 ElimStorePlain]: Eliminatee v_prenex_90 vanished before elimination [2021-07-14 20:44:37,738 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 20:44:37,738 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:437, output treesize:11 [2021-07-14 20:44:37,793 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:44:37,793 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1231383457] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:44:37,793 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:44:37,793 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 26] total 50 [2021-07-14 20:44:37,793 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486479868] [2021-07-14 20:44:37,794 INFO L462 AbstractCegarLoop]: Interpolant automaton has 50 states [2021-07-14 20:44:37,794 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:44:37,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-07-14 20:44:37,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=2329, Unknown=0, NotChecked=0, Total=2450 [2021-07-14 20:44:37,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:44:37,795 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:44:37,795 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 50 states, 50 states have (on average 1.2) internal successors, (60), 50 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) [2021-07-14 20:44:37,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:44:37,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:44:37,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:44:37,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:37,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:37,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:37,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:44:37,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:44:37,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:44:37,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:44:37,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:44:37,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:44:37,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:44:37,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:44:37,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:37,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:44:37,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:44:37,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:44:37,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:44:37,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:44:37,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:44:37,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:44:37,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:44:37,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:44:37,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 20:44:37,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 20:44:37,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:44:37,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 20:44:37,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:44:37,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:44:37,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 20:44:37,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 20:44:37,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:44:37,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:44:45,303 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 76 [2021-07-14 20:44:47,257 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 137 [2021-07-14 20:44:47,673 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 140 [2021-07-14 20:44:48,120 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 186 [2021-07-14 20:44:48,521 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 140 [2021-07-14 20:44:48,951 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 140 [2021-07-14 20:44:49,418 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 186 [2021-07-14 20:44:49,887 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 140 [2021-07-14 20:44:50,303 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 140 [2021-07-14 20:44:50,816 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 186 [2021-07-14 20:44:51,587 WARN L205 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 140 [2021-07-14 20:44:52,026 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 140 [2021-07-14 20:44:52,232 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 81 [2021-07-14 20:44:52,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:44:52,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:44:52,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:44:52,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:52,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:52,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:52,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:44:52,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:44:52,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:44:52,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:44:52,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:44:52,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:44:52,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:44:52,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:44:52,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:52,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:44:52,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:44:52,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:44:52,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:44:52,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:44:52,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:44:52,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:44:52,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:44:52,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:44:52,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 20:44:52,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 20:44:52,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:44:52,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 20:44:52,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:44:52,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:44:52,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 20:44:52,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 20:44:52,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:44:52,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 20:44:52,542 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable326 [2021-07-14 20:44:52,543 INFO L430 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:44:52,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:44:52,543 INFO L82 PathProgramCache]: Analyzing trace with hash -507939102, now seen corresponding path program 32 times [2021-07-14 20:44:52,543 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:44:52,543 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548917354] [2021-07-14 20:44:52,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:44:52,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:44:53,024 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:44:53,024 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:44:53,024 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548917354] [2021-07-14 20:44:53,025 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548917354] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:44:53,025 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1987250684] [2021-07-14 20:44:53,025 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 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 [2021-07-14 20:44:53,070 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 20:44:53,070 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:44:53,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 54 conjunts are in the unsatisfiable core [2021-07-14 20:44:53,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:44:53,518 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:53,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 20:44:53,519 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:53,521 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:44:53,522 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:53,523 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 [2021-07-14 20:44:53,524 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:53,526 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:44:53,527 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:53,528 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 [2021-07-14 20:44:53,529 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:53,531 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 [2021-07-14 20:44:53,532 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:53,551 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-07-14 20:44:53,551 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 20:44:53,552 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 20:44:53,552 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-14 20:44:53,596 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:44:53,596 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1987250684] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:44:53,596 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:44:53,596 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 40 [2021-07-14 20:44:53,597 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120794003] [2021-07-14 20:44:53,597 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-07-14 20:44:53,597 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:44:53,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-07-14 20:44:53,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1459, Unknown=0, NotChecked=0, Total=1560 [2021-07-14 20:44:53,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:44:53,598 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:44:53,598 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 1.2) internal successors, (48), 40 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) [2021-07-14 20:44:53,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:44:53,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:44:53,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:44:53,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:53,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:53,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:53,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:44:53,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:44:53,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:44:53,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:44:53,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:44:53,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:44:53,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:44:53,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:44:53,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:53,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:44:53,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:44:53,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:44:53,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:44:53,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:44:53,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:44:53,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:44:53,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:44:53,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:44:53,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 20:44:53,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 20:44:53,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:44:53,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 20:44:53,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:44:53,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:44:53,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 20:44:53,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 20:44:53,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:44:53,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 20:44:53,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:44:55,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:44:55,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:44:55,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:44:55,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:55,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:55,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:55,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:44:55,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:44:55,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:44:55,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:44:55,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:44:55,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:44:55,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:44:55,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:44:55,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:55,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:44:55,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:44:55,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:44:55,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:44:55,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:44:55,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:44:55,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:44:55,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:44:55,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:44:55,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 20:44:55,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 20:44:55,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:44:55,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 20:44:55,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:44:55,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:44:55,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 20:44:55,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 20:44:55,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:44:55,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 20:44:55,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 20:44:55,896 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable364 [2021-07-14 20:44:55,897 INFO L430 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:44:55,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:44:55,897 INFO L82 PathProgramCache]: Analyzing trace with hash 1234486202, now seen corresponding path program 33 times [2021-07-14 20:44:55,897 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:44:55,897 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735455075] [2021-07-14 20:44:55,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:44:55,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:44:56,326 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:44:56,326 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:44:56,326 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735455075] [2021-07-14 20:44:56,326 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735455075] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:44:56,326 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1839285671] [2021-07-14 20:44:56,327 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 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 [2021-07-14 20:44:56,381 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-07-14 20:44:56,381 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:44:56,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 54 conjunts are in the unsatisfiable core [2021-07-14 20:44:56,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:44:56,807 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:56,808 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 15 treesize of output 11 [2021-07-14 20:44:56,809 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:56,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 20:44:56,811 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:56,825 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 20:44:56,825 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 20:44:56,825 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 20:44:56,826 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 20:44:56,862 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:44:56,862 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1839285671] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:44:56,862 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:44:56,862 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 40 [2021-07-14 20:44:56,862 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734899456] [2021-07-14 20:44:56,862 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-07-14 20:44:56,862 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:44:56,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-07-14 20:44:56,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1459, Unknown=0, NotChecked=0, Total=1560 [2021-07-14 20:44:56,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:44:56,863 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:44:56,863 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 1.2) internal successors, (48), 40 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) [2021-07-14 20:44:56,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:44:56,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:44:56,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:44:56,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:56,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:56,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:56,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:44:56,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:44:56,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:44:56,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:44:56,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:44:56,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:44:56,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:44:56,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:44:56,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:56,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:44:56,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:44:56,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:44:56,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:44:56,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:44:56,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:44:56,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:44:56,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:44:56,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:44:56,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 20:44:56,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 20:44:56,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:44:56,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 20:44:56,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:44:56,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:44:56,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 20:44:56,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 20:44:56,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:44:56,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 20:44:56,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 20:44:56,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:44:57,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:44:57,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:44:57,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:44:57,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:57,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:57,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:57,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:44:57,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:44:57,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:44:57,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:44:57,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:44:57,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:44:57,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:44:57,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:44:57,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:57,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:44:57,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:44:57,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:44:57,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:44:57,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:44:57,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:44:57,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:44:57,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:44:57,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:44:57,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 20:44:57,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 20:44:57,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:44:57,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 20:44:57,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:44:57,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:44:57,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 20:44:57,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 20:44:57,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:44:57,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 20:44:57,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 20:44:57,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 20:44:57,857 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable371,36 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:44:57,857 INFO L430 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:44:57,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:44:57,858 INFO L82 PathProgramCache]: Analyzing trace with hash -365328470, now seen corresponding path program 34 times [2021-07-14 20:44:57,858 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:44:57,858 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031760063] [2021-07-14 20:44:57,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:44:57,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:44:59,107 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:44:59,108 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:44:59,108 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031760063] [2021-07-14 20:44:59,108 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031760063] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:44:59,108 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [450793520] [2021-07-14 20:44:59,108 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 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 [2021-07-14 20:44:59,160 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 20:44:59,160 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:44:59,162 WARN L261 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 149 conjunts are in the unsatisfiable core [2021-07-14 20:44:59,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:45:01,117 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-07-14 20:45:01,477 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-07-14 20:45:01,868 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-07-14 20:45:02,395 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-07-14 20:45:02,818 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-07-14 20:45:03,256 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-07-14 20:45:03,726 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-07-14 20:45:04,250 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-07-14 20:45:04,714 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-07-14 20:45:05,173 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-07-14 20:45:05,643 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-07-14 20:45:05,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,747 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:05,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,798 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:05,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 66 disjoint index pairs (out of 78 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 146 treesize of output 96 [2021-07-14 20:45:05,825 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:05,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,858 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:05,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:05,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 66 disjoint index pairs (out of 78 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 148 treesize of output 98 [2021-07-14 20:45:05,881 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:05,897 INFO L628 ElimStorePlain]: treesize reduction 204, result has 5.1 percent of original size [2021-07-14 20:45:05,897 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-07-14 20:45:05,897 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 20:45:05,897 INFO L518 ElimStorePlain]: Eliminatee v_prenex_110 vanished before elimination [2021-07-14 20:45:05,897 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 20:45:05,897 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:470, output treesize:11 [2021-07-14 20:45:05,911 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:45:05,911 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [450793520] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:45:05,912 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:45:05,912 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 28] total 53 [2021-07-14 20:45:05,912 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661026641] [2021-07-14 20:45:05,913 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-07-14 20:45:05,913 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:45:05,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-07-14 20:45:05,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=2628, Unknown=0, NotChecked=0, Total=2756 [2021-07-14 20:45:05,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:45:05,915 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:45:05,915 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 1.1320754716981132) internal successors, (60), 53 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) [2021-07-14 20:45:05,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:45:05,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:45:05,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:45:05,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:45:05,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:45:05,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:45:05,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:45:05,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:45:05,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:45:05,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:45:05,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:45:05,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:45:05,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:45:05,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:45:05,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:45:05,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:45:05,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:45:05,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:45:05,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:45:05,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:45:05,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:45:05,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:45:05,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:45:05,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:45:05,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 20:45:05,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 20:45:05,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:45:05,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 20:45:05,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:45:05,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:45:05,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 20:45:05,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 20:45:05,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:45:05,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 20:45:05,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 20:45:05,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 20:45:05,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:45:20,741 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 141 [2021-07-14 20:45:21,187 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 95 [2021-07-14 20:45:21,674 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 95 [2021-07-14 20:45:22,106 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 144 [2021-07-14 20:45:22,559 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 95 [2021-07-14 20:45:23,068 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 95 [2021-07-14 20:45:23,470 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 149 [2021-07-14 20:45:23,923 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 149 [2021-07-14 20:45:24,314 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 149 [2021-07-14 20:45:24,848 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 150 [2021-07-14 20:45:25,306 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 149 [2021-07-14 20:45:25,818 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 150 [2021-07-14 20:45:26,074 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2021-07-14 20:45:26,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:45:26,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:45:26,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:45:26,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:45:26,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:45:26,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:45:26,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:45:26,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:45:26,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:45:26,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:45:26,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:45:26,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:45:26,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:45:26,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:45:26,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:45:26,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:45:26,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:45:26,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:45:26,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:45:26,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:45:26,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:45:26,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:45:26,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:45:26,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:45:26,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 20:45:26,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 20:45:26,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:45:26,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 20:45:26,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:45:26,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:45:26,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 20:45:26,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 20:45:26,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:45:26,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 20:45:26,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 20:45:26,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 20:45:26,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 20:45:26,422 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable373,37 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:45:26,422 INFO L430 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:45:26,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:45:26,423 INFO L82 PathProgramCache]: Analyzing trace with hash 1580024250, now seen corresponding path program 35 times [2021-07-14 20:45:26,423 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:45:26,423 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065820805] [2021-07-14 20:45:26,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:45:26,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:45:26,919 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 13 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:45:26,920 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:45:26,920 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065820805] [2021-07-14 20:45:26,920 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065820805] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:45:26,920 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1877753903] [2021-07-14 20:45:26,920 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 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 [2021-07-14 20:45:27,004 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-07-14 20:45:27,004 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:45:27,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 58 conjunts are in the unsatisfiable core [2021-07-14 20:45:27,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:45:27,563 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:27,564 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 17 treesize of output 13 [2021-07-14 20:45:27,565 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:27,566 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:45:27,567 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:27,569 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:45:27,569 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:27,571 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 [2021-07-14 20:45:27,572 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:27,574 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 [2021-07-14 20:45:27,575 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:27,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 20:45:27,577 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:27,598 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-07-14 20:45:27,598 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 20:45:27,598 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 20:45:27,599 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-14 20:45:27,646 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 13 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:45:27,646 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1877753903] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:45:27,646 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:45:27,646 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29] total 43 [2021-07-14 20:45:27,646 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740203243] [2021-07-14 20:45:27,647 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-07-14 20:45:27,647 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:45:27,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-07-14 20:45:27,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1697, Unknown=0, NotChecked=0, Total=1806 [2021-07-14 20:45:27,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:45:27,648 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:45:27,648 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 43 states, 43 states have (on average 1.186046511627907) internal successors, (51), 43 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) [2021-07-14 20:45:27,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:45:27,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:45:27,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:45:27,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:45:27,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:45:27,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:45:27,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:45:27,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:45:27,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:45:27,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:45:27,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:45:27,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:45:27,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:45:27,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:45:27,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:45:27,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:45:27,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:45:27,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:45:27,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:45:27,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:45:27,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:45:27,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:45:27,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:45:27,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:45:27,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 20:45:27,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 20:45:27,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:45:27,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 20:45:27,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:45:27,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:45:27,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 20:45:27,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 20:45:27,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:45:27,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 20:45:27,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 20:45:27,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 20:45:27,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 20:45:27,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:45:29,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:45:29,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:45:29,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:45:29,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:45:29,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:45:29,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:45:29,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:45:29,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:45:29,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:45:29,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:45:29,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:45:29,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:45:29,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:45:29,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:45:29,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:45:29,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:45:29,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:45:29,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:45:29,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:45:29,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:45:29,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:45:29,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:45:29,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:45:29,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:45:29,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 20:45:29,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 20:45:29,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:45:29,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 20:45:29,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:45:29,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:45:29,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 20:45:29,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 20:45:29,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:45:29,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 20:45:29,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 20:45:29,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 20:45:29,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 20:45:29,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-07-14 20:45:30,181 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable409,38 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:45:30,181 INFO L430 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:45:30,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:45:30,182 INFO L82 PathProgramCache]: Analyzing trace with hash -239366174, now seen corresponding path program 36 times [2021-07-14 20:45:30,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:45:30,182 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611221056] [2021-07-14 20:45:30,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:45:30,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:45:30,681 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:45:30,681 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:45:30,681 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611221056] [2021-07-14 20:45:30,681 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611221056] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:45:30,681 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1470312158] [2021-07-14 20:45:30,681 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 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 [2021-07-14 20:45:30,734 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-07-14 20:45:30,735 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:45:30,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 58 conjunts are in the unsatisfiable core [2021-07-14 20:45:30,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:45:31,258 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:31,259 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 15 treesize of output 11 [2021-07-14 20:45:31,259 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:31,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 20:45:31,262 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:31,276 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 20:45:31,276 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 20:45:31,277 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 20:45:31,277 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 20:45:31,316 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:45:31,316 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1470312158] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:45:31,316 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:45:31,316 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29] total 43 [2021-07-14 20:45:31,317 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675824735] [2021-07-14 20:45:31,317 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-07-14 20:45:31,317 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:45:31,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-07-14 20:45:31,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1697, Unknown=0, NotChecked=0, Total=1806 [2021-07-14 20:45:31,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:45:31,318 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:45:31,318 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 43 states, 43 states have (on average 1.186046511627907) internal successors, (51), 43 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) [2021-07-14 20:45:31,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:45:31,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:45:31,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:45:31,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:45:31,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:45:31,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:45:31,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:45:31,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:45:31,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:45:31,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:45:31,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:45:31,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:45:31,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:45:31,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:45:31,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:45:31,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:45:31,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:45:31,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:45:31,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:45:31,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:45:31,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:45:31,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:45:31,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:45:31,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:45:31,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 20:45:31,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 20:45:31,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:45:31,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 20:45:31,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:45:31,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:45:31,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 20:45:31,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 20:45:31,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:45:31,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 20:45:31,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 20:45:31,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 20:45:31,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 20:45:31,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-07-14 20:45:31,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:45:32,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:45:32,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:45:32,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:45:32,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:45:32,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:45:32,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:45:32,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:45:32,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:45:32,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:45:32,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:45:32,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:45:32,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:45:32,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:45:32,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:45:32,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:45:32,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:45:32,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:45:32,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:45:32,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:45:32,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:45:32,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:45:32,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:45:32,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:45:32,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:45:32,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 20:45:32,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 20:45:32,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:45:32,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 20:45:32,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:45:32,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:45:32,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 20:45:32,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 20:45:32,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:45:32,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 20:45:32,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 20:45:32,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 20:45:32,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 20:45:32,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-07-14 20:45:32,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:45:32,590 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable416,39 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:45:32,590 INFO L430 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:45:32,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:45:32,590 INFO L82 PathProgramCache]: Analyzing trace with hash 1189888130, now seen corresponding path program 37 times [2021-07-14 20:45:32,590 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:45:32,590 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517197521] [2021-07-14 20:45:32,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:45:32,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:45:33,939 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:45:33,939 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:45:33,939 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517197521] [2021-07-14 20:45:33,939 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517197521] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:45:33,939 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [53344569] [2021-07-14 20:45:33,939 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 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 [2021-07-14 20:45:33,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:45:33,992 WARN L261 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 161 conjunts are in the unsatisfiable core [2021-07-14 20:45:33,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:45:36,482 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-14 20:45:36,901 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2021-07-14 20:45:37,359 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-14 20:45:37,881 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-14 20:45:38,388 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-14 20:45:38,890 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-14 20:45:39,351 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-14 20:45:39,847 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-14 20:45:40,280 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2021-07-14 20:45:40,768 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-14 20:45:41,252 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-14 20:45:41,698 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2021-07-14 20:45:41,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,810 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:41,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:41,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 78 disjoint index pairs (out of 91 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 103 [2021-07-14 20:45:41,822 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:41,861 INFO L628 ElimStorePlain]: treesize reduction 349, result has 3.1 percent of original size [2021-07-14 20:45:41,861 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 20:45:41,861 INFO L518 ElimStorePlain]: Eliminatee v_prenex_131 vanished before elimination [2021-07-14 20:45:41,861 INFO L518 ElimStorePlain]: Eliminatee v_prenex_132 vanished before elimination [2021-07-14 20:45:41,862 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 20:45:41,862 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:503, output treesize:11 [2021-07-14 20:45:41,938 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:45:41,938 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [53344569] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:45:41,938 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:45:41,938 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 30] total 58 [2021-07-14 20:45:41,938 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198879157] [2021-07-14 20:45:41,938 INFO L462 AbstractCegarLoop]: Interpolant automaton has 58 states [2021-07-14 20:45:41,938 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:45:41,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2021-07-14 20:45:41,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=3165, Unknown=0, NotChecked=0, Total=3306 [2021-07-14 20:45:41,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:45:41,939 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:45:41,939 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 58 states, 58 states have (on average 1.1724137931034482) internal successors, (68), 58 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) [2021-07-14 20:45:41,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:45:41,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:45:41,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:45:41,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:45:41,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:45:41,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:45:41,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:45:41,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:45:41,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:45:41,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:45:41,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:45:41,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:45:41,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:45:41,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:45:41,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:45:41,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:45:41,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:45:41,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:45:41,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:45:41,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:45:41,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:45:41,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:45:41,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:45:41,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:45:41,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 20:45:41,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 20:45:41,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:45:41,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 20:45:41,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:45:41,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:45:41,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 20:45:41,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 20:45:41,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:45:41,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 20:45:41,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 20:45:41,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 20:45:41,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 20:45:41,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-07-14 20:45:41,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:45:41,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:45:54,541 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 91 [2021-07-14 20:45:57,193 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 101 [2021-07-14 20:45:57,746 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 163 [2021-07-14 20:45:58,321 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 163 [2021-07-14 20:45:58,920 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 163 [2021-07-14 20:45:59,492 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 163 [2021-07-14 20:46:00,136 WARN L205 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 163 [2021-07-14 20:46:00,710 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 163 [2021-07-14 20:46:01,271 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 163 [2021-07-14 20:46:01,876 WARN L205 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 163 [2021-07-14 20:46:02,467 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 163 [2021-07-14 20:46:03,039 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 163 [2021-07-14 20:46:03,676 WARN L205 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 163 [2021-07-14 20:46:04,273 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 163 [2021-07-14 20:46:04,571 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 96 [2021-07-14 20:46:04,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:46:04,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:46:04,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:46:04,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:46:04,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:46:04,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:46:04,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:46:04,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:46:04,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:46:04,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:46:04,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:46:04,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:46:04,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:46:04,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:46:04,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:46:04,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:46:04,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:46:04,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:46:04,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:46:04,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:46:04,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:46:04,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:46:04,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:46:04,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:46:04,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 20:46:04,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 20:46:04,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:46:04,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 20:46:04,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:46:04,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:46:04,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 20:46:04,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 20:46:04,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:46:04,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 20:46:04,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 20:46:04,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 20:46:04,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 20:46:04,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-07-14 20:46:04,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:46:04,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-07-14 20:46:04,919 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable418,40 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:46:04,920 INFO L430 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:46:04,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:46:04,920 INFO L82 PathProgramCache]: Analyzing trace with hash -1747868702, now seen corresponding path program 38 times [2021-07-14 20:46:04,920 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:46:04,920 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637853131] [2021-07-14 20:46:04,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:46:04,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:46:05,566 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:46:05,566 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:46:05,566 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637853131] [2021-07-14 20:46:05,566 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637853131] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:46:05,566 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [583659068] [2021-07-14 20:46:05,566 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 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 [2021-07-14 20:46:05,624 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 20:46:05,624 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:46:05,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 62 conjunts are in the unsatisfiable core [2021-07-14 20:46:05,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:46:06,181 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:06,182 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 17 treesize of output 13 [2021-07-14 20:46:06,183 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:46:06,184 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:46:06,187 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:46:06,189 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:06,189 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 16 treesize of output 12 [2021-07-14 20:46:06,190 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 20:46:06,192 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 [2021-07-14 20:46:06,193 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 20:46:06,195 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 7 treesize of output 5 [2021-07-14 20:46:06,196 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 20:46:06,197 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:46:06,198 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 20:46:06,218 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-07-14 20:46:06,218 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 20:46:06,219 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 20:46:06,219 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-14 20:46:06,271 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:46:06,271 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [583659068] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:46:06,271 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:46:06,272 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 46 [2021-07-14 20:46:06,272 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56076132] [2021-07-14 20:46:06,272 INFO L462 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-07-14 20:46:06,272 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:46:06,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-07-14 20:46:06,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1953, Unknown=0, NotChecked=0, Total=2070 [2021-07-14 20:46:06,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:46:06,273 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:46:06,273 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 46 states, 46 states have (on average 1.173913043478261) internal successors, (54), 46 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) [2021-07-14 20:46:06,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:46:06,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:46:06,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:46:06,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:46:06,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:46:06,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:46:06,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:46:06,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:46:06,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:46:06,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:46:06,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:46:06,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:46:06,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:46:06,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:46:06,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:46:06,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:46:06,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:46:06,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:46:06,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:46:06,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:46:06,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:46:06,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:46:06,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:46:06,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:46:06,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 20:46:06,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 20:46:06,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:46:06,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 20:46:06,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:46:06,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:46:06,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 20:46:06,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 20:46:06,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:46:06,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 20:46:06,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 20:46:06,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 20:46:06,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 20:46:06,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-07-14 20:46:06,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:46:06,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-07-14 20:46:06,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:46:08,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:46:08,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:46:08,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:46:08,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:46:08,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:46:08,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:46:08,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:46:08,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:46:08,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:46:08,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:46:08,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:46:08,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:46:08,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:46:08,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:46:08,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:46:08,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:46:08,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:46:08,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:46:08,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:46:08,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:46:08,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:46:08,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:46:08,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:46:08,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:46:08,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 20:46:08,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 20:46:08,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:46:08,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 20:46:08,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:46:08,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:46:08,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 20:46:08,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 20:46:08,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:46:08,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 20:46:08,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 20:46:08,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 20:46:08,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 20:46:08,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-07-14 20:46:08,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:46:08,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-07-14 20:46:08,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-07-14 20:46:09,167 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable456,41 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:46:09,167 INFO L430 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:46:09,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:46:09,167 INFO L82 PathProgramCache]: Analyzing trace with hash 1980570298, now seen corresponding path program 39 times [2021-07-14 20:46:09,167 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:46:09,167 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506179859] [2021-07-14 20:46:09,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:46:09,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:46:09,704 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:46:09,704 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:46:09,704 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506179859] [2021-07-14 20:46:09,704 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506179859] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:46:09,704 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [799762136] [2021-07-14 20:46:09,704 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 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 [2021-07-14 20:46:09,772 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-07-14 20:46:09,772 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:46:09,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 62 conjunts are in the unsatisfiable core [2021-07-14 20:46:09,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:46:10,246 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:10,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 20:46:10,248 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:46:10,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 20:46:10,249 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:46:10,258 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 20:46:10,258 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 20:46:10,258 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 20:46:10,259 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 20:46:10,285 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:46:10,285 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [799762136] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:46:10,285 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:46:10,285 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 46 [2021-07-14 20:46:10,285 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471601809] [2021-07-14 20:46:10,285 INFO L462 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-07-14 20:46:10,285 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:46:10,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-07-14 20:46:10,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1953, Unknown=0, NotChecked=0, Total=2070 [2021-07-14 20:46:10,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:46:10,286 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:46:10,286 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 46 states, 46 states have (on average 1.173913043478261) internal successors, (54), 46 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) [2021-07-14 20:46:10,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:46:10,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:46:10,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:46:10,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:46:10,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:46:10,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:46:10,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:46:10,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:46:10,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:46:10,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:46:10,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:46:10,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:46:10,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:46:10,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:46:10,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:46:10,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:46:10,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:46:10,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:46:10,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:46:10,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:46:10,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:46:10,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:46:10,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:46:10,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:46:10,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 20:46:10,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 20:46:10,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:46:10,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 20:46:10,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:46:10,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:46:10,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 20:46:10,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 20:46:10,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:46:10,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 20:46:10,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 20:46:10,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 20:46:10,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 20:46:10,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-07-14 20:46:10,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:46:10,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-07-14 20:46:10,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-07-14 20:46:10,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:46:11,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:46:11,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:46:11,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:46:11,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:46:11,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:46:11,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:46:11,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:46:11,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:46:11,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:46:11,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:46:11,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:46:11,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:46:11,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:46:11,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:46:11,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:46:11,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:46:11,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:46:11,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:46:11,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:46:11,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:46:11,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:46:11,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:46:11,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:46:11,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:46:11,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 20:46:11,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 20:46:11,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:46:11,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 20:46:11,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:46:11,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:46:11,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 20:46:11,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 20:46:11,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:46:11,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 20:46:11,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 20:46:11,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 20:46:11,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 20:46:11,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-07-14 20:46:11,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:46:11,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-07-14 20:46:11,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-07-14 20:46:11,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:46:11,713 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable463 [2021-07-14 20:46:11,713 INFO L430 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:46:11,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:46:11,713 INFO L82 PathProgramCache]: Analyzing trace with hash 1288442026, now seen corresponding path program 40 times [2021-07-14 20:46:11,714 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:46:11,714 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275345724] [2021-07-14 20:46:11,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:46:11,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:46:12,878 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:46:12,878 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:46:12,878 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275345724] [2021-07-14 20:46:12,878 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275345724] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:46:12,878 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1126185070] [2021-07-14 20:46:12,878 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 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 [2021-07-14 20:46:12,980 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 20:46:12,981 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:46:12,984 WARN L261 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 173 conjunts are in the unsatisfiable core [2021-07-14 20:46:12,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:46:15,590 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-14 20:46:16,036 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-14 20:46:16,520 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-14 20:46:16,933 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-14 20:46:17,471 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-14 20:46:17,887 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-14 20:46:18,339 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-14 20:46:18,801 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-14 20:46:19,355 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-14 20:46:19,900 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-14 20:46:20,347 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-14 20:46:21,516 WARN L205 SmtUtils]: Spent 950.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-14 20:46:22,006 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-14 20:46:22,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,204 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:22,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,273 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:22,280 INFO L244 Elim1Store]: Index analysis took 134 ms [2021-07-14 20:46:22,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 91 disjoint index pairs (out of 105 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 170 treesize of output 112 [2021-07-14 20:46:22,286 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:46:22,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,346 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:22,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:22,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 91 disjoint index pairs (out of 105 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 168 treesize of output 110 [2021-07-14 20:46:22,357 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:46:22,373 INFO L628 ElimStorePlain]: treesize reduction 226, result has 4.6 percent of original size [2021-07-14 20:46:22,373 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 20:46:22,373 INFO L518 ElimStorePlain]: Eliminatee v_prenex_145 vanished before elimination [2021-07-14 20:46:22,373 INFO L518 ElimStorePlain]: Eliminatee v_prenex_146 vanished before elimination [2021-07-14 20:46:22,374 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 20:46:22,374 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:536, output treesize:11 [2021-07-14 20:46:22,459 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:46:22,459 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1126185070] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:46:22,459 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:46:22,459 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 32] total 62 [2021-07-14 20:46:22,459 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901277647] [2021-07-14 20:46:22,459 INFO L462 AbstractCegarLoop]: Interpolant automaton has 62 states [2021-07-14 20:46:22,459 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:46:22,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2021-07-14 20:46:22,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=3631, Unknown=0, NotChecked=0, Total=3782 [2021-07-14 20:46:22,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:46:22,461 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:46:22,461 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 62 states, 62 states have (on average 1.1612903225806452) internal successors, (72), 62 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:46:22,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:46:22,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:46:22,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:46:22,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:46:22,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:46:22,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:46:22,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:46:22,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:46:22,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:46:22,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:46:22,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:46:22,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:46:22,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:46:22,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:46:22,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:46:22,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:46:22,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:46:22,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:46:22,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:46:22,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:46:22,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:46:22,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:46:22,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:46:22,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:46:22,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 20:46:22,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 20:46:22,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:46:22,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 20:46:22,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:46:22,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:46:22,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 20:46:22,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 20:46:22,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:46:22,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 20:46:22,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 20:46:22,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 20:46:22,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 20:46:22,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-07-14 20:46:22,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:46:22,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-07-14 20:46:22,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-07-14 20:46:22,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:46:22,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:46:39,457 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 91 [2021-07-14 20:46:42,683 WARN L205 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2021-07-14 20:46:43,324 WARN L205 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 167 [2021-07-14 20:46:44,072 WARN L205 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 167 [2021-07-14 20:46:44,804 WARN L205 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 167 [2021-07-14 20:46:45,510 WARN L205 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 167 [2021-07-14 20:46:46,204 WARN L205 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 167 [2021-07-14 20:46:46,916 WARN L205 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 167 [2021-07-14 20:46:47,706 WARN L205 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 225 [2021-07-14 20:46:48,486 WARN L205 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 225 [2021-07-14 20:46:49,162 WARN L205 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 167 [2021-07-14 20:46:49,915 WARN L205 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 167 [2021-07-14 20:46:50,659 WARN L205 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 167 [2021-07-14 20:46:51,358 WARN L205 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 167 [2021-07-14 20:46:52,321 WARN L205 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 167 [2021-07-14 20:46:52,837 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 96 [2021-07-14 20:46:53,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:46:53,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:46:53,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:46:53,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:46:53,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:46:53,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:46:53,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:46:53,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:46:53,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:46:53,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:46:53,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:46:53,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:46:53,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:46:53,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:46:53,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:46:53,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:46:53,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:46:53,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:46:53,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:46:53,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:46:53,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:46:53,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:46:53,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:46:53,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:46:53,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 20:46:53,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 20:46:53,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:46:53,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 20:46:53,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:46:53,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:46:53,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 20:46:53,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 20:46:53,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:46:53,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 20:46:53,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 20:46:53,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 20:46:53,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 20:46:53,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-07-14 20:46:53,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:46:53,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-07-14 20:46:53,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-07-14 20:46:53,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:46:53,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-07-14 20:46:53,246 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable465 [2021-07-14 20:46:53,246 INFO L430 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:46:53,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:46:53,246 INFO L82 PathProgramCache]: Analyzing trace with hash 1307302074, now seen corresponding path program 41 times [2021-07-14 20:46:53,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:46:53,247 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743379641] [2021-07-14 20:46:53,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:46:53,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:46:53,820 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 15 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:46:53,820 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:46:53,821 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743379641] [2021-07-14 20:46:53,821 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743379641] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:46:53,821 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1624959605] [2021-07-14 20:46:53,821 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 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 [2021-07-14 20:46:53,884 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2021-07-14 20:46:53,885 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:46:53,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 66 conjunts are in the unsatisfiable core [2021-07-14 20:46:53,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:46:54,557 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:54,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 20:46:54,559 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:46:54,561 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 [2021-07-14 20:46:54,561 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:46:54,564 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:54,564 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 17 treesize of output 13 [2021-07-14 20:46:54,565 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 20:46:54,567 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:46:54,567 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 20:46:54,569 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:46:54,569 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 20:46:54,571 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 [2021-07-14 20:46:54,572 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 20:46:54,593 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-07-14 20:46:54,593 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 20:46:54,594 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 20:46:54,594 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-14 20:46:54,646 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 15 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:46:54,647 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1624959605] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:46:54,647 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:46:54,647 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 49 [2021-07-14 20:46:54,647 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704678264] [2021-07-14 20:46:54,647 INFO L462 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-07-14 20:46:54,647 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:46:54,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-07-14 20:46:54,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=2227, Unknown=0, NotChecked=0, Total=2352 [2021-07-14 20:46:54,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:46:54,648 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:46:54,649 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 49 states, 49 states have (on average 1.163265306122449) internal successors, (57), 49 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) [2021-07-14 20:46:54,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:46:54,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:46:54,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:46:54,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:46:54,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:46:54,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:46:54,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:46:54,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:46:54,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:46:54,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:46:54,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:46:54,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:46:54,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:46:54,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:46:54,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:46:54,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:46:54,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:46:54,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:46:54,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:46:54,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:46:54,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:46:54,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:46:54,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:46:54,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:46:54,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 20:46:54,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 20:46:54,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:46:54,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 20:46:54,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:46:54,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:46:54,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 20:46:54,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 20:46:54,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:46:54,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 20:46:54,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 20:46:54,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 20:46:54,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 20:46:54,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-07-14 20:46:54,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:46:54,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-07-14 20:46:54,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-07-14 20:46:54,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:46:54,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-07-14 20:46:54,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:46:57,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:46:57,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:46:57,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:46:57,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:46:57,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:46:57,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:46:57,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:46:57,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:46:57,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:46:57,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:46:57,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:46:57,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:46:57,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:46:57,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:46:57,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:46:57,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:46:57,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:46:57,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:46:57,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:46:57,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:46:57,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:46:57,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:46:57,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:46:57,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:46:57,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 20:46:57,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 20:46:57,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:46:57,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 20:46:57,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:46:57,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:46:57,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 20:46:57,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 20:46:57,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:46:57,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 20:46:57,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 20:46:57,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 20:46:57,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 20:46:57,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-07-14 20:46:57,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:46:57,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-07-14 20:46:57,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-07-14 20:46:57,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:46:57,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-07-14 20:46:57,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-14 20:46:57,394 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable510 [2021-07-14 20:46:57,394 INFO L430 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:46:57,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:46:57,395 INFO L82 PathProgramCache]: Analyzing trace with hash 924794082, now seen corresponding path program 42 times [2021-07-14 20:46:57,395 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:46:57,395 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015706052] [2021-07-14 20:46:57,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:46:57,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:46:58,141 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:46:58,141 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:46:58,142 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015706052] [2021-07-14 20:46:58,142 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015706052] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:46:58,142 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [862582229] [2021-07-14 20:46:58,142 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 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 [2021-07-14 20:46:58,204 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2021-07-14 20:46:58,204 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:46:58,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 66 conjunts are in the unsatisfiable core [2021-07-14 20:46:58,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:46:58,765 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:58,765 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 15 treesize of output 11 [2021-07-14 20:46:58,766 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:46:58,768 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 [2021-07-14 20:46:58,768 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:46:58,781 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 20:46:58,781 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 20:46:58,781 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 20:46:58,781 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 20:46:58,818 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:46:58,819 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [862582229] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:46:58,819 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:46:58,819 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 49 [2021-07-14 20:46:58,819 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962210736] [2021-07-14 20:46:58,819 INFO L462 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-07-14 20:46:58,819 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:46:58,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-07-14 20:46:58,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=2227, Unknown=0, NotChecked=0, Total=2352 [2021-07-14 20:46:58,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:46:58,820 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:46:58,820 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 49 states, 49 states have (on average 1.163265306122449) internal successors, (57), 49 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) [2021-07-14 20:46:58,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:46:58,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:46:58,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:46:58,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:46:58,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:46:58,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:46:58,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:46:58,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:46:58,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:46:58,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:46:58,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:46:58,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:46:58,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:46:58,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:46:58,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:46:58,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:46:58,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:46:58,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:46:58,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:46:58,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:46:58,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:46:58,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:46:58,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:46:58,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:46:58,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 20:46:58,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 20:46:58,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:46:58,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 20:46:58,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:46:58,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:46:58,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 20:46:58,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 20:46:58,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:46:58,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 20:46:58,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 20:46:58,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 20:46:58,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 20:46:58,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-07-14 20:46:58,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:46:58,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-07-14 20:46:58,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-07-14 20:46:58,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:46:58,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-07-14 20:46:58,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-14 20:46:58,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:47:00,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:47:00,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:47:00,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:47:00,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:47:00,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:47:00,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:47:00,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:47:00,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:47:00,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:47:00,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:47:00,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:47:00,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:47:00,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:47:00,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:47:00,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:47:00,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:47:00,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:47:00,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:47:00,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:47:00,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:47:00,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:47:00,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:47:00,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:47:00,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:47:00,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 20:47:00,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 20:47:00,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:47:00,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 20:47:00,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:47:00,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:47:00,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 20:47:00,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 20:47:00,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:47:00,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 20:47:00,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 20:47:00,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 20:47:00,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 20:47:00,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-07-14 20:47:00,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:47:00,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-07-14 20:47:00,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-07-14 20:47:00,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:47:00,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-07-14 20:47:00,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-14 20:47:00,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:47:00,469 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable517 [2021-07-14 20:47:00,469 INFO L430 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:47:00,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:47:00,469 INFO L82 PathProgramCache]: Analyzing trace with hash -1375849598, now seen corresponding path program 43 times [2021-07-14 20:47:00,469 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:47:00,469 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847457879] [2021-07-14 20:47:00,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:47:00,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:47:02,830 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:47:02,831 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:47:02,831 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847457879] [2021-07-14 20:47:02,831 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847457879] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:47:02,831 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1051092839] [2021-07-14 20:47:02,831 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 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 [2021-07-14 20:47:02,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:47:02,943 WARN L261 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 185 conjunts are in the unsatisfiable core [2021-07-14 20:47:02,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:47:05,456 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2021-07-14 20:47:05,931 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-07-14 20:47:06,532 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-07-14 20:47:07,116 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-07-14 20:47:07,603 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-07-14 20:47:08,073 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-07-14 20:47:08,620 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-07-14 20:47:09,147 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-07-14 20:47:09,747 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-07-14 20:47:10,335 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-07-14 20:47:10,945 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-07-14 20:47:11,502 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-07-14 20:47:12,034 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-07-14 20:47:12,649 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-07-14 20:47:13,201 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-07-14 20:47:13,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,304 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:13,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:13,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 105 disjoint index pairs (out of 120 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 179 treesize of output 117 [2021-07-14 20:47:13,348 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:47:13,391 INFO L628 ElimStorePlain]: treesize reduction 393, result has 2.7 percent of original size [2021-07-14 20:47:13,391 INFO L518 ElimStorePlain]: Eliminatee v_prenex_161 vanished before elimination [2021-07-14 20:47:13,391 INFO L518 ElimStorePlain]: Eliminatee v_prenex_162 vanished before elimination [2021-07-14 20:47:13,391 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 20:47:13,392 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 20:47:13,392 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:569, output treesize:11 [2021-07-14 20:47:13,492 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:47:13,492 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1051092839] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:47:13,492 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:47:13,492 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 34] total 66 [2021-07-14 20:47:13,492 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528072276] [2021-07-14 20:47:13,492 INFO L462 AbstractCegarLoop]: Interpolant automaton has 66 states [2021-07-14 20:47:13,492 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:47:13,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2021-07-14 20:47:13,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=4129, Unknown=0, NotChecked=0, Total=4290 [2021-07-14 20:47:13,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:47:13,494 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:47:13,494 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 66 states, 66 states have (on average 1.1515151515151516) internal successors, (76), 66 states have internal predecessors, (76), 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) [2021-07-14 20:47:13,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:47:13,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:47:13,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:47:13,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:47:13,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:47:13,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:47:13,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:47:13,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:47:13,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:47:13,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:47:13,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:47:13,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:47:13,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:47:13,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:47:13,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:47:13,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:47:13,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:47:13,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:47:13,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:47:13,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:47:13,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:47:13,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:47:13,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:47:13,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:47:13,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 20:47:13,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 20:47:13,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:47:13,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 20:47:13,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:47:13,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:47:13,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 20:47:13,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 20:47:13,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:47:13,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 20:47:13,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 20:47:13,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 20:47:13,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 20:47:13,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-07-14 20:47:13,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:47:13,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-07-14 20:47:13,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-07-14 20:47:13,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:47:13,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-07-14 20:47:13,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-14 20:47:13,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:47:13,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:47:34,440 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 104 [2021-07-14 20:47:38,211 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 114 [2021-07-14 20:47:38,931 WARN L205 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 117 [2021-07-14 20:47:39,681 WARN L205 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 117 [2021-07-14 20:47:40,434 WARN L205 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 117 [2021-07-14 20:47:41,034 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 178 [2021-07-14 20:47:41,836 WARN L205 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 117 [2021-07-14 20:47:42,527 WARN L205 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 117 [2021-07-14 20:47:43,250 WARN L205 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 117 [2021-07-14 20:47:43,977 WARN L205 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 117 [2021-07-14 20:47:44,675 WARN L205 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 184 [2021-07-14 20:47:45,408 WARN L205 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 183 [2021-07-14 20:47:46,043 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 183 [2021-07-14 20:47:46,757 WARN L205 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 184 [2021-07-14 20:47:47,403 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 183 [2021-07-14 20:47:48,138 WARN L205 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 184 [2021-07-14 20:47:48,500 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2021-07-14 20:47:48,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:47:48,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:47:48,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:47:48,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:47:48,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:47:48,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:47:48,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:47:48,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:47:48,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:47:48,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:47:48,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:47:48,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:47:48,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:47:48,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:47:48,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:47:48,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:47:48,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:47:48,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:47:48,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:47:48,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:47:48,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:47:48,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:47:48,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:47:48,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:47:48,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 20:47:48,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 20:47:48,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:47:48,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 20:47:48,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:47:48,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:47:48,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 20:47:48,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 20:47:48,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:47:48,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 20:47:48,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 20:47:48,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 20:47:48,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 20:47:48,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-07-14 20:47:48,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:47:48,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-07-14 20:47:48,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-07-14 20:47:48,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:47:48,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-07-14 20:47:48,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-14 20:47:48,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:47:48,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2021-07-14 20:47:48,931 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable519,46 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:47:48,932 INFO L430 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:47:48,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:47:48,932 INFO L82 PathProgramCache]: Analyzing trace with hash 318640354, now seen corresponding path program 44 times [2021-07-14 20:47:48,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:47:48,932 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151981254] [2021-07-14 20:47:48,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:47:48,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:47:49,567 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 16 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:47:49,568 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:47:49,568 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151981254] [2021-07-14 20:47:49,568 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151981254] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:47:49,568 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [738690372] [2021-07-14 20:47:49,568 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 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 [2021-07-14 20:47:49,623 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 20:47:49,624 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:47:49,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 70 conjunts are in the unsatisfiable core [2021-07-14 20:47:49,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:47:50,278 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 [2021-07-14 20:47:50,279 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:47:50,281 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 [2021-07-14 20:47:50,282 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:47:50,284 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:50,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 20:47:50,286 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 20:47:50,288 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 [2021-07-14 20:47:50,288 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 20:47:50,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-14 20:47:50,304 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 20:47:50,306 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 [2021-07-14 20:47:50,307 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 20:47:50,328 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-07-14 20:47:50,328 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 20:47:50,329 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 20:47:50,329 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-14 20:47:50,378 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 16 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:47:50,378 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [738690372] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:47:50,378 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:47:50,379 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35] total 52 [2021-07-14 20:47:50,379 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718058516] [2021-07-14 20:47:50,379 INFO L462 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-07-14 20:47:50,379 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:47:50,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-07-14 20:47:50,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=2519, Unknown=0, NotChecked=0, Total=2652 [2021-07-14 20:47:50,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:47:50,380 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:47:50,380 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 52 states, 52 states have (on average 1.1538461538461537) internal successors, (60), 52 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) [2021-07-14 20:47:50,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:47:50,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:47:50,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:47:50,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:47:50,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:47:50,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:47:50,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:47:50,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:47:50,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:47:50,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:47:50,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:47:50,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:47:50,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:47:50,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:47:50,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:47:50,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:47:50,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:47:50,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:47:50,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:47:50,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:47:50,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:47:50,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:47:50,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:47:50,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:47:50,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 20:47:50,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 20:47:50,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:47:50,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 20:47:50,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:47:50,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:47:50,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 20:47:50,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 20:47:50,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:47:50,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 20:47:50,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 20:47:50,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 20:47:50,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 20:47:50,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-07-14 20:47:50,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:47:50,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-07-14 20:47:50,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-07-14 20:47:50,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:47:50,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-07-14 20:47:50,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-14 20:47:50,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:47:50,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2021-07-14 20:47:50,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:47:53,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:47:53,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:47:53,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:47:53,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:47:53,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:47:53,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:47:53,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:47:53,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:47:53,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:47:53,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:47:53,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:47:53,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:47:53,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:47:53,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:47:53,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:47:53,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:47:53,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:47:53,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:47:53,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:47:53,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:47:53,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:47:53,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:47:53,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:47:53,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:47:53,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 20:47:53,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 20:47:53,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:47:53,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 20:47:53,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:47:53,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:47:53,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 20:47:53,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 20:47:53,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:47:53,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 20:47:53,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 20:47:53,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 20:47:53,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 20:47:53,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-07-14 20:47:53,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:47:53,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-07-14 20:47:53,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-07-14 20:47:53,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:47:53,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-07-14 20:47:53,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-14 20:47:53,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:47:53,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2021-07-14 20:47:53,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 20:47:53,768 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable566 [2021-07-14 20:47:53,769 INFO L430 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:47:53,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:47:53,769 INFO L82 PathProgramCache]: Analyzing trace with hash 1345794490, now seen corresponding path program 45 times [2021-07-14 20:47:53,769 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:47:53,769 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492439895] [2021-07-14 20:47:53,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:47:53,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:47:54,483 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:47:54,483 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:47:54,483 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492439895] [2021-07-14 20:47:54,483 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492439895] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:47:54,483 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [766630096] [2021-07-14 20:47:54,483 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 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 [2021-07-14 20:47:54,548 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-07-14 20:47:54,548 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:47:54,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 70 conjunts are in the unsatisfiable core [2021-07-14 20:47:54,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:47:55,255 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:55,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 20:47:55,256 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:47:55,258 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 16 treesize of output 12 [2021-07-14 20:47:55,259 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:47:55,273 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 20:47:55,274 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 20:47:55,274 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 20:47:55,274 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 20:47:55,320 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:47:55,320 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [766630096] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:47:55,320 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:47:55,320 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35] total 52 [2021-07-14 20:47:55,321 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463989435] [2021-07-14 20:47:55,321 INFO L462 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-07-14 20:47:55,321 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:47:55,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-07-14 20:47:55,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=2519, Unknown=0, NotChecked=0, Total=2652 [2021-07-14 20:47:55,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:47:55,322 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:47:55,322 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 52 states, 52 states have (on average 1.1538461538461537) internal successors, (60), 52 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) [2021-07-14 20:47:55,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:47:55,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:47:55,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:47:55,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:47:55,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:47:55,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:47:55,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:47:55,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:47:55,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:47:55,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:47:55,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:47:55,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:47:55,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:47:55,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:47:55,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:47:55,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:47:55,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:47:55,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:47:55,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:47:55,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:47:55,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:47:55,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:47:55,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:47:55,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:47:55,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 20:47:55,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 20:47:55,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:47:55,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 20:47:55,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:47:55,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:47:55,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 20:47:55,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 20:47:55,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:47:55,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 20:47:55,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 20:47:55,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 20:47:55,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 20:47:55,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-07-14 20:47:55,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:47:55,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-07-14 20:47:55,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-07-14 20:47:55,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:47:55,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-07-14 20:47:55,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-14 20:47:55,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:47:55,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2021-07-14 20:47:55,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 20:47:55,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:47:56,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:47:56,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:47:56,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:47:56,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:47:56,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:47:56,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:47:56,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:47:56,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:47:56,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:47:56,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:47:56,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:47:56,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:47:56,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:47:56,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:47:56,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:47:56,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:47:56,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:47:56,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:47:56,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:47:56,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:47:56,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:47:56,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:47:56,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:47:56,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:47:56,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 20:47:56,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 20:47:56,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:47:56,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 20:47:56,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:47:56,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:47:56,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 20:47:56,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 20:47:56,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:47:56,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 20:47:56,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 20:47:56,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 20:47:56,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 20:47:56,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-07-14 20:47:56,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:47:56,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-07-14 20:47:56,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-07-14 20:47:56,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:47:56,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-07-14 20:47:56,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-14 20:47:56,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:47:56,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2021-07-14 20:47:56,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 20:47:56,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 20:47:57,029 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable573,48 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:47:57,029 INFO L430 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:47:57,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:47:57,029 INFO L82 PathProgramCache]: Analyzing trace with hash -1209738838, now seen corresponding path program 46 times [2021-07-14 20:47:57,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:47:57,029 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232663002] [2021-07-14 20:47:57,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:47:57,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:47:58,925 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:47:58,925 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:47:58,925 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232663002] [2021-07-14 20:47:58,925 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232663002] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:47:58,925 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1396097510] [2021-07-14 20:47:58,925 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 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 [2021-07-14 20:47:58,985 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 20:47:58,985 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:47:58,987 WARN L261 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 197 conjunts are in the unsatisfiable core [2021-07-14 20:47:58,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:48:01,824 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2021-07-14 20:48:02,342 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-14 20:48:02,869 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-14 20:48:03,515 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-14 20:48:04,140 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-14 20:48:04,728 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-14 20:48:05,359 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-14 20:48:05,951 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-14 20:48:06,671 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-14 20:48:07,347 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-14 20:48:08,008 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-14 20:48:08,672 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-14 20:48:09,336 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-14 20:48:09,989 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-14 20:48:10,650 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-14 20:48:11,364 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-14 20:48:11,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,512 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:48:11,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,604 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:48:11,626 INFO L244 Elim1Store]: Index analysis took 172 ms [2021-07-14 20:48:11,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 120 disjoint index pairs (out of 136 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 190 treesize of output 124 [2021-07-14 20:48:11,646 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:48:11,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,714 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:48:11,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:48:11,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 120 disjoint index pairs (out of 136 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 192 treesize of output 126 [2021-07-14 20:48:11,737 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:48:11,753 INFO L628 ElimStorePlain]: treesize reduction 242, result has 4.3 percent of original size [2021-07-14 20:48:11,753 INFO L518 ElimStorePlain]: Eliminatee v_prenex_183 vanished before elimination [2021-07-14 20:48:11,753 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 20:48:11,754 INFO L518 ElimStorePlain]: Eliminatee v_prenex_184 vanished before elimination [2021-07-14 20:48:11,754 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 20:48:11,754 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:602, output treesize:11 [2021-07-14 20:48:11,853 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:48:11,854 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1396097510] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:48:11,854 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:48:11,854 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 36] total 70 [2021-07-14 20:48:11,854 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963367100] [2021-07-14 20:48:11,854 INFO L462 AbstractCegarLoop]: Interpolant automaton has 70 states [2021-07-14 20:48:11,854 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:48:11,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2021-07-14 20:48:11,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=4659, Unknown=0, NotChecked=0, Total=4830 [2021-07-14 20:48:11,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:48:11,856 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:48:11,856 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 70 states, 70 states have (on average 1.1428571428571428) internal successors, (80), 70 states have internal predecessors, (80), 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) [2021-07-14 20:48:11,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:48:11,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:48:11,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:48:11,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:48:11,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:48:11,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:48:11,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:48:11,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:48:11,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:48:11,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:48:11,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:48:11,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:48:11,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:48:11,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:48:11,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:48:11,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:48:11,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:48:11,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:48:11,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:48:11,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:48:11,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:48:11,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:48:11,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:48:11,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:48:11,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 20:48:11,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 20:48:11,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:48:11,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 20:48:11,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:48:11,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:48:11,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 20:48:11,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 20:48:11,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:48:11,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 20:48:11,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 20:48:11,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 20:48:11,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 20:48:11,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-07-14 20:48:11,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:48:11,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-07-14 20:48:11,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-07-14 20:48:11,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:48:11,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-07-14 20:48:11,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-14 20:48:11,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:48:11,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2021-07-14 20:48:11,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 20:48:11,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 20:48:11,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:48:36,910 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 101 [2021-07-14 20:48:41,158 WARN L205 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 182 [2021-07-14 20:48:42,032 WARN L205 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 185 [2021-07-14 20:48:43,009 WARN L205 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 185 [2021-07-14 20:48:43,881 WARN L205 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 185 [2021-07-14 20:48:44,824 WARN L205 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 185 [2021-07-14 20:48:45,677 WARN L205 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 185 [2021-07-14 20:48:46,593 WARN L205 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 251 [2021-07-14 20:48:47,548 WARN L205 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 185 [2021-07-14 20:48:48,510 WARN L205 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 251 [2021-07-14 20:48:49,576 WARN L205 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 251 [2021-07-14 20:48:50,668 WARN L205 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 251 [2021-07-14 20:48:51,555 WARN L205 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 185 [2021-07-14 20:48:52,518 WARN L205 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 251 [2021-07-14 20:48:53,538 WARN L205 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 251 [2021-07-14 20:48:54,490 WARN L205 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 251 [2021-07-14 20:48:55,428 WARN L205 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 251 [2021-07-14 20:48:55,857 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 106 [2021-07-14 20:48:56,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:48:56,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:48:56,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:48:56,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:48:56,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:48:56,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:48:56,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:48:56,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:48:56,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:48:56,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:48:56,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:48:56,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:48:56,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:48:56,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:48:56,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:48:56,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:48:56,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:48:56,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:48:56,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:48:56,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:48:56,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:48:56,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:48:56,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:48:56,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:48:56,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 20:48:56,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 20:48:56,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:48:56,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 20:48:56,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:48:56,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:48:56,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 20:48:56,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 20:48:56,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:48:56,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 20:48:56,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 20:48:56,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 20:48:56,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 20:48:56,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-07-14 20:48:56,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:48:56,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-07-14 20:48:56,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-07-14 20:48:56,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:48:56,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-07-14 20:48:56,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-14 20:48:56,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:48:56,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2021-07-14 20:48:56,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 20:48:56,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 20:48:56,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2021-07-14 20:48:56,286 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable575 [2021-07-14 20:48:56,286 INFO L430 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:48:56,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:48:56,286 INFO L82 PathProgramCache]: Analyzing trace with hash 1173106618, now seen corresponding path program 47 times [2021-07-14 20:48:56,286 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:48:56,286 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674722460] [2021-07-14 20:48:56,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:48:56,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:48:57,014 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 17 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:48:57,014 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:48:57,014 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674722460] [2021-07-14 20:48:57,015 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674722460] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:48:57,015 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [674271789] [2021-07-14 20:48:57,015 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 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 [2021-07-14 20:48:57,084 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2021-07-14 20:48:57,084 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:48:57,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 74 conjunts are in the unsatisfiable core [2021-07-14 20:48:57,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:48:57,951 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 [2021-07-14 20:48:57,952 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:48:57,954 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:48:57,955 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 17 treesize of output 13 [2021-07-14 20:48:57,956 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:48:57,957 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:48:57,958 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 20:48:57,960 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 [2021-07-14 20:48:57,961 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 20:48:57,963 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:48:57,963 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 16 treesize of output 12 [2021-07-14 20:48:57,964 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 20:48:57,966 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 [2021-07-14 20:48:57,967 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 20:48:57,989 INFO L628 ElimStorePlain]: treesize reduction 26, result has 43.5 percent of original size [2021-07-14 20:48:57,989 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 20:48:57,989 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 20:48:57,990 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-14 20:48:58,048 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 17 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:48:58,049 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [674271789] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:48:58,049 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:48:58,049 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37] total 55 [2021-07-14 20:48:58,049 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854360717] [2021-07-14 20:48:58,049 INFO L462 AbstractCegarLoop]: Interpolant automaton has 55 states [2021-07-14 20:48:58,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:48:58,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-07-14 20:48:58,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=2829, Unknown=0, NotChecked=0, Total=2970 [2021-07-14 20:48:58,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:48:58,050 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:48:58,050 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 55 states, 55 states have (on average 1.1454545454545455) internal successors, (63), 55 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) [2021-07-14 20:48:58,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:48:58,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:48:58,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:48:58,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:48:58,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:48:58,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:48:58,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:48:58,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:48:58,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:48:58,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:48:58,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:48:58,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:48:58,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:48:58,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:48:58,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:48:58,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:48:58,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:48:58,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:48:58,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:48:58,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:48:58,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:48:58,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:48:58,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:48:58,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:48:58,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 20:48:58,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 20:48:58,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:48:58,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 20:48:58,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:48:58,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:48:58,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 20:48:58,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 20:48:58,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:48:58,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 20:48:58,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 20:48:58,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 20:48:58,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 20:48:58,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-07-14 20:48:58,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:48:58,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-07-14 20:48:58,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-07-14 20:48:58,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:48:58,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-07-14 20:48:58,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-14 20:48:58,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:48:58,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2021-07-14 20:48:58,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 20:48:58,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 20:48:58,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 167 states. [2021-07-14 20:48:58,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:49:01,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:49:01,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:49:01,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:49:01,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:49:01,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:49:01,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:49:01,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:49:01,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:49:01,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:49:01,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:49:01,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:49:01,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:49:01,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:49:01,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:49:01,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:49:01,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:49:01,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:49:01,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:49:01,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:49:01,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:49:01,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:49:01,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:49:01,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:49:01,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:49:01,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 20:49:01,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 20:49:01,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:49:01,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 20:49:01,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:49:01,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:49:01,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 20:49:01,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 20:49:01,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:49:01,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 20:49:01,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 20:49:01,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 20:49:01,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 20:49:01,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-07-14 20:49:01,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:49:01,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-07-14 20:49:01,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-07-14 20:49:01,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:49:01,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-07-14 20:49:01,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-14 20:49:01,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:49:01,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2021-07-14 20:49:01,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 20:49:01,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 20:49:01,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2021-07-14 20:49:01,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-07-14 20:49:02,057 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable622 [2021-07-14 20:49:02,057 INFO L430 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:49:02,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:49:02,058 INFO L82 PathProgramCache]: Analyzing trace with hash -1344853534, now seen corresponding path program 48 times [2021-07-14 20:49:02,058 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:49:02,058 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104363371] [2021-07-14 20:49:02,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:49:02,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:49:02,823 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 289 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:49:02,824 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:49:02,824 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104363371] [2021-07-14 20:49:02,824 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104363371] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:49:02,824 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [679819212] [2021-07-14 20:49:02,824 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 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 [2021-07-14 20:49:02,914 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2021-07-14 20:49:02,914 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:49:02,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 74 conjunts are in the unsatisfiable core [2021-07-14 20:49:02,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:49:03,727 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:49:03,727 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 15 treesize of output 11 [2021-07-14 20:49:03,728 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:49:03,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 20:49:03,730 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:49:03,745 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 20:49:03,745 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 20:49:03,746 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 20:49:03,746 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 20:49:03,795 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 289 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:49:03,795 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [679819212] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:49:03,795 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:49:03,795 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37] total 55 [2021-07-14 20:49:03,795 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581855090] [2021-07-14 20:49:03,796 INFO L462 AbstractCegarLoop]: Interpolant automaton has 55 states [2021-07-14 20:49:03,796 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:49:03,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-07-14 20:49:03,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=2829, Unknown=0, NotChecked=0, Total=2970 [2021-07-14 20:49:03,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:49:03,796 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:49:03,797 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 55 states, 55 states have (on average 1.1454545454545455) internal successors, (63), 55 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) [2021-07-14 20:49:03,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:49:03,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:49:03,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:49:03,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:49:03,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:49:03,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:49:03,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:49:03,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:49:03,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:49:03,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:49:03,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:49:03,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:49:03,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:49:03,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:49:03,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:49:03,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:49:03,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:49:03,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:49:03,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:49:03,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:49:03,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:49:03,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:49:03,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:49:03,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:49:03,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 20:49:03,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 20:49:03,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:49:03,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 20:49:03,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:49:03,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:49:03,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 20:49:03,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 20:49:03,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:49:03,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 20:49:03,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 20:49:03,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 20:49:03,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 20:49:03,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-07-14 20:49:03,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:49:03,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-07-14 20:49:03,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-07-14 20:49:03,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:49:03,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-07-14 20:49:03,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-14 20:49:03,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:49:03,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2021-07-14 20:49:03,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 20:49:03,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 20:49:03,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 167 states. [2021-07-14 20:49:03,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-07-14 20:49:03,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:49:05,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:49:05,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:49:05,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:49:05,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:49:05,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:49:05,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:49:05,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:49:05,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:49:05,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:49:05,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:49:05,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:49:05,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:49:05,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:49:05,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:49:05,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:49:05,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:49:05,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:49:05,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:49:05,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:49:05,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:49:05,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:49:05,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:49:05,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:49:05,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:49:05,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 20:49:05,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 20:49:05,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:49:05,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 20:49:05,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:49:05,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:49:05,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 20:49:05,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 20:49:05,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:49:05,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 20:49:05,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 20:49:05,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 20:49:05,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 20:49:05,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-07-14 20:49:05,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:49:05,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-07-14 20:49:05,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-07-14 20:49:05,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:49:05,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-07-14 20:49:05,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-14 20:49:05,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:49:05,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2021-07-14 20:49:05,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 20:49:05,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 20:49:05,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2021-07-14 20:49:05,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-07-14 20:49:05,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:49:05,754 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable629,51 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:49:05,755 INFO L430 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:49:05,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:49:05,755 INFO L82 PathProgramCache]: Analyzing trace with hash 1279518338, now seen corresponding path program 49 times [2021-07-14 20:49:05,755 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:49:05,755 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341382425] [2021-07-14 20:49:05,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:49:05,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:49:08,179 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:49:08,179 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:49:08,179 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341382425] [2021-07-14 20:49:08,179 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341382425] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:49:08,179 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1627448299] [2021-07-14 20:49:08,179 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 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 [2021-07-14 20:49:08,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:49:08,340 WARN L261 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 209 conjunts are in the unsatisfiable core [2021-07-14 20:49:08,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:49:12,371 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 180 [2021-07-14 20:49:13,051 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-14 20:49:13,718 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 180 [2021-07-14 20:49:14,432 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-14 20:49:15,274 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-14 20:49:16,006 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-14 20:49:16,750 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-14 20:49:17,431 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 180 [2021-07-14 20:49:18,217 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-14 20:49:18,926 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 180 [2021-07-14 20:49:19,786 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-14 20:49:20,479 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 180 [2021-07-14 20:49:21,295 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-14 20:49:22,175 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-14 20:49:22,950 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 180 [2021-07-14 20:49:23,952 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-14 20:49:24,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,128 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:49:24,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,234 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:49:24,261 INFO L244 Elim1Store]: Index analysis took 197 ms [2021-07-14 20:49:24,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 136 disjoint index pairs (out of 153 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 203 treesize of output 133 [2021-07-14 20:49:24,267 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:49:24,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,340 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:49:24,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 136 disjoint index pairs (out of 153 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 201 treesize of output 131 [2021-07-14 20:49:24,369 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:49:24,509 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 109 [2021-07-14 20:49:24,510 INFO L628 ElimStorePlain]: treesize reduction 234, result has 49.1 percent of original size [2021-07-14 20:49:24,513 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:49:24,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 13 [2021-07-14 20:49:24,515 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 20:49:24,562 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:49:24,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:49:24,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 136 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 184 treesize of output 118 [2021-07-14 20:49:24,653 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 20:49:24,664 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:49:24,664 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 20:49:24,665 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 20:49:24,665 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:829, output treesize:22 [2021-07-14 20:49:24,825 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:49:24,825 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1627448299] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:49:24,825 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:49:24,825 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 38] total 75 [2021-07-14 20:49:24,826 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986638698] [2021-07-14 20:49:24,826 INFO L462 AbstractCegarLoop]: Interpolant automaton has 75 states [2021-07-14 20:49:24,826 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:49:24,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2021-07-14 20:49:24,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=5385, Unknown=0, NotChecked=0, Total=5550 [2021-07-14 20:49:24,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:49:24,827 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:49:24,827 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 75 states, 75 states have (on average 1.12) internal successors, (84), 75 states have internal predecessors, (84), 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) [2021-07-14 20:49:24,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:49:24,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:49:24,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:49:24,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:49:24,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:49:24,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:49:24,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:49:24,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:49:24,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:49:24,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:49:24,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:49:24,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:49:24,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:49:24,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:49:24,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:49:24,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:49:24,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:49:24,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:49:24,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:49:24,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:49:24,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:49:24,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:49:24,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:49:24,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:49:24,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 20:49:24,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 20:49:24,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 20:49:24,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 20:49:24,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:49:24,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:49:24,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 20:49:24,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 20:49:24,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:49:24,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 20:49:24,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 20:49:24,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 20:49:24,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 20:49:24,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-07-14 20:49:24,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:49:24,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-07-14 20:49:24,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-07-14 20:49:24,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:49:24,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-07-14 20:49:24,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-14 20:49:24,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 20:49:24,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2021-07-14 20:49:24,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 20:49:24,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 20:49:24,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 167 states. [2021-07-14 20:49:24,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-07-14 20:49:24,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:49:24,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:49:30,007 WARN L227 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2021-07-14 20:49:30,208 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable631 [2021-07-14 20:49:30,209 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:258) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:138) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.checkValidity(IncrementalHoareTripleChecker.java:676) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.checkInternal(IncrementalHoareTripleChecker.java:143) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ProtectiveHoareTripleChecker.checkInternal(ProtectiveHoareTripleChecker.java:61) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.EfficientHoareTripleChecker.checkInternal(EfficientHoareTripleChecker.java:63) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.CachingHoareTripleChecker.checkInternal(CachingHoareTripleChecker.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton$InternalSuccessorComputationHelper.computeSuccWithSolver(AbstractInterpolantAutomaton.java:357) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.addOtherSuccessors(DeterministicInterpolantAutomaton.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:77) 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.partialorder.SleepSetNewStateReduction.search(SleepSetNewStateReduction.java:159) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.(SleepSetNewStateReduction.java:111) at de.uni_freiburg.informatik.ultimate.automata.partialorder.PersistentSetReduction.applyNewStateReduction(PersistentSetReduction.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderReductionFacade.apply(PartialOrderReductionFacade.java:185) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isAbstractionEmpty(PartialOrderCegarLoop.java:193) 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:367) 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) ... 44 more [2021-07-14 20:49:30,213 INFO L168 Benchmark]: Toolchain (without parser) took 393500.02 ms. Allocated memory was 168.8 MB in the beginning and 714.1 MB in the end (delta: 545.3 MB). Free memory was 148.1 MB in the beginning and 349.3 MB in the end (delta: -201.2 MB). Peak memory consumption was 344.5 MB. Max. memory is 8.0 GB. [2021-07-14 20:49:30,213 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.10 ms. Allocated memory is still 168.8 MB. Free memory is still 149.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 20:49:30,213 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.12 ms. Allocated memory is still 168.8 MB. Free memory was 148.0 MB in the beginning and 146.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 20:49:30,213 INFO L168 Benchmark]: Boogie Preprocessor took 11.47 ms. Allocated memory is still 168.8 MB. Free memory was 146.6 MB in the beginning and 145.7 MB in the end (delta: 904.4 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 20:49:30,213 INFO L168 Benchmark]: RCFGBuilder took 271.76 ms. Allocated memory is still 168.8 MB. Free memory was 145.6 MB in the beginning and 128.5 MB in the end (delta: 17.0 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. [2021-07-14 20:49:30,213 INFO L168 Benchmark]: TraceAbstraction took 393154.32 ms. Allocated memory was 168.8 MB in the beginning and 714.1 MB in the end (delta: 545.3 MB). Free memory was 128.1 MB in the beginning and 349.3 MB in the end (delta: -221.2 MB). Peak memory consumption was 324.5 MB. Max. memory is 8.0 GB. [2021-07-14 20:49:30,214 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 0.10 ms. Allocated memory is still 168.8 MB. Free memory is still 149.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 44.12 ms. Allocated memory is still 168.8 MB. Free memory was 148.0 MB in the beginning and 146.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 11.47 ms. Allocated memory is still 168.8 MB. Free memory was 146.6 MB in the beginning and 145.7 MB in the end (delta: 904.4 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 271.76 ms. Allocated memory is still 168.8 MB. Free memory was 145.6 MB in the beginning and 128.5 MB in the end (delta: 17.0 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 393154.32 ms. Allocated memory was 168.8 MB in the beginning and 714.1 MB in the end (delta: 545.3 MB). Free memory was 128.1 MB in the beginning and 349.3 MB in the end (delta: -221.2 MB). Peak memory consumption was 324.5 MB. Max. memory is 8.0 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...