/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp3x3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 03:54:27,341 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 03:54:27,342 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 03:54:27,365 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-06 03:54:27,393 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-06 03:54:27,393 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-06 03:54:27,394 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-06 03:54:27,398 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe.epf [2021-06-06 03:54:27,428 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 03:54:27,428 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 03:54:27,428 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 03:54:27,429 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 03:54:27,431 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 03:54:27,431 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 03:54:27,431 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 03:54:27,431 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 03:54:27,432 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 03:54:27,432 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 03:54:27,432 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 03:54:27,433 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 03:54:27,433 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 03:54:27,433 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 03:54:27,433 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 03:54:27,433 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 03:54:27,433 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 03:54:27,433 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 03:54:27,434 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 03:54:27,434 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 03:54:27,434 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 03:54:27,434 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 03:54:27,434 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 03:54:27,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 03:54:27,435 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 03:54:27,435 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 03:54:27,435 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 03:54:27,435 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 03:54:27,435 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 03:54:27,435 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 03:54:27,435 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 03:54:27,436 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 03:54:27,436 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 03:54:27,436 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 03:54:27,744 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 03:54:27,776 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 03:54:27,778 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 03:54:27,779 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-06 03:54:27,780 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-06 03:54:27,781 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp3x3.wvr.bpl [2021-06-06 03:54:27,781 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp3x3.wvr.bpl' [2021-06-06 03:54:27,816 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 03:54:27,818 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-06 03:54:27,818 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 03:54:27,819 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 03:54:27,819 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 03:54:27,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:54:27" (1/1) ... [2021-06-06 03:54:27,839 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:54:27" (1/1) ... [2021-06-06 03:54:27,847 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 03:54:27,850 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 03:54:27,850 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 03:54:27,850 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 03:54:27,858 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:54:27" (1/1) ... [2021-06-06 03:54:27,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:54:27" (1/1) ... [2021-06-06 03:54:27,859 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:54:27" (1/1) ... [2021-06-06 03:54:27,860 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:54:27" (1/1) ... [2021-06-06 03:54:27,865 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:54:27" (1/1) ... [2021-06-06 03:54:27,868 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:54:27" (1/1) ... [2021-06-06 03:54:27,869 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:54:27" (1/1) ... [2021-06-06 03:54:27,869 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 03:54:27,870 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 03:54:27,870 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 03:54:27,870 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 03:54:27,873 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:54:27" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 03:54:27,935 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-06 03:54:27,935 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-06 03:54:27,936 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-06 03:54:27,936 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-06 03:54:27,936 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-06 03:54:27,936 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-06 03:54:27,936 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-06 03:54:27,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 03:54:27,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 03:54:27,936 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-06 03:54:27,936 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-06 03:54:27,937 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-06 03:54:27,937 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-06-06 03:54:27,937 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-06-06 03:54:27,937 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-06-06 03:54:27,937 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2021-06-06 03:54:27,937 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-06-06 03:54:27,937 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-06-06 03:54:27,939 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2021-06-06 03:54:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2021-06-06 03:54:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2021-06-06 03:54:27,940 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 03:54:28,141 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 03:54:28,142 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-06 03:54:28,143 INFO L202 PluginConnector]: Adding new model exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 03:54:28 BoogieIcfgContainer [2021-06-06 03:54:28,143 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 03:54:28,145 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 03:54:28,145 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 03:54:28,147 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 03:54:28,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:54:27" (1/2) ... [2021-06-06 03:54:28,148 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50b48efd and model type exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 03:54:28, skipping insertion in model container [2021-06-06 03:54:28,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 03:54:28" (2/2) ... [2021-06-06 03:54:28,165 INFO L111 eAbstractionObserver]: Analyzing ICFG exp3x3.wvr.bpl [2021-06-06 03:54:28,170 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 03:54:28,171 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 03:54:28,171 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 03:54:28,171 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 03:54:28,295 INFO L149 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2021-06-06 03:54:28,313 INFO L255 AbstractCegarLoop]: Starting to check reachability of 7 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 03:54:28,357 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 03:54:28,357 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 03:54:28,358 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 03:54:28,358 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 03:54:28,358 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 03:54:28,358 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 03:54:28,358 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 03:54:28,358 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 03:54:28,634 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-06 03:54:28,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:54:28,642 INFO L82 PathProgramCache]: Analyzing trace with hash -389555298, now seen corresponding path program 1 times [2021-06-06 03:54:28,650 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:54:28,651 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947631271] [2021-06-06 03:54:28,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:54:28,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:54:28,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:54:28,861 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:54:28,861 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947631271] [2021-06-06 03:54:28,862 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947631271] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 03:54:28,862 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 03:54:28,862 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-06 03:54:28,862 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027105842] [2021-06-06 03:54:28,867 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 03:54:28,867 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:54:28,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 03:54:28,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 03:54:28,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:54:28,878 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:54:28,880 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 03:54:28,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:54:29,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:54:29,006 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 03:54:29,006 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-06 03:54:29,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:54:29,007 INFO L82 PathProgramCache]: Analyzing trace with hash 1293427740, now seen corresponding path program 1 times [2021-06-06 03:54:29,007 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:54:29,007 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596738547] [2021-06-06 03:54:29,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:54:29,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:54:29,051 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:54:29,052 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:54:29,052 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596738547] [2021-06-06 03:54:29,052 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596738547] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:54:29,052 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [579428781] [2021-06-06 03:54:29,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 03:54:29,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:54:29,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 3 conjunts are in the unsatisfiable core [2021-06-06 03:54:29,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 03:54:29,225 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:54:29,226 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [579428781] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:54:29,226 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 03:54:29,226 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3] total 5 [2021-06-06 03:54:29,227 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145813869] [2021-06-06 03:54:29,228 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-06 03:54:29,228 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:54:29,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-06 03:54:29,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-06-06 03:54:29,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:54:29,229 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:54:29,229 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 03:54:29,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:54:29,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:54:29,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:54:29,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 03:54:29,633 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 03:54:29,633 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-06 03:54:29,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:54:29,634 INFO L82 PathProgramCache]: Analyzing trace with hash -126021602, now seen corresponding path program 1 times [2021-06-06 03:54:29,634 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:54:29,634 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377737279] [2021-06-06 03:54:29,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:54:29,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:54:29,764 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:54:29,764 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:54:29,764 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377737279] [2021-06-06 03:54:29,764 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377737279] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:54:29,765 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1309215415] [2021-06-06 03:54:29,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 03:54:29,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:54:29,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-06 03:54:29,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 03:54:30,067 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:54:30,067 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1309215415] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:54:30,067 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 03:54:30,068 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4] total 4 [2021-06-06 03:54:30,068 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708676051] [2021-06-06 03:54:30,069 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-06 03:54:30,069 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:54:30,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-06 03:54:30,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-06 03:54:30,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:54:30,070 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:54:30,071 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 03:54:30,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:54:30,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 03:54:30,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:54:30,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:54:30,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 03:54:30,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:54:30,470 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 03:54:30,470 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-06 03:54:30,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:54:30,471 INFO L82 PathProgramCache]: Analyzing trace with hash -1302795876, now seen corresponding path program 2 times [2021-06-06 03:54:30,471 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:54:30,471 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285269898] [2021-06-06 03:54:30,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:54:30,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:54:30,542 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:54:30,542 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:54:30,542 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285269898] [2021-06-06 03:54:30,542 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285269898] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:54:30,543 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [801396830] [2021-06-06 03:54:30,543 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 [2021-06-06 03:54:30,648 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 03:54:30,648 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 03:54:30,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-06 03:54:30,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 03:54:30,798 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:54:30,799 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [801396830] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:54:30,799 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 03:54:30,799 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-06-06 03:54:30,799 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216382762] [2021-06-06 03:54:30,799 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-06 03:54:30,799 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:54:30,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-06 03:54:30,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-06-06 03:54:30,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:54:30,800 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:54:30,800 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 7 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 03:54:30,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:54:30,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 03:54:30,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:54:30,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:54:31,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:54:31,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 03:54:31,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:54:31,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 03:54:31,364 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 03:54:31,365 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-06 03:54:31,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:54:31,365 INFO L82 PathProgramCache]: Analyzing trace with hash 279082398, now seen corresponding path program 3 times [2021-06-06 03:54:31,365 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:54:31,365 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593502465] [2021-06-06 03:54:31,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:54:31,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:54:31,476 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:54:31,476 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:54:31,476 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593502465] [2021-06-06 03:54:31,476 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593502465] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:54:31,476 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1429366155] [2021-06-06 03:54:31,476 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 [2021-06-06 03:54:31,570 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-06 03:54:31,571 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 03:54:31,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-06 03:54:31,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 03:54:31,864 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:54:31,864 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1429366155] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:54:31,864 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 03:54:31,865 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 6] total 6 [2021-06-06 03:54:31,865 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854305313] [2021-06-06 03:54:31,866 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-06 03:54:31,866 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:54:31,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-06 03:54:31,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-06-06 03:54:31,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:54:31,873 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:54:31,874 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 6 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 03:54:31,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:54:31,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 03:54:31,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:54:31,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 03:54:31,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:54:32,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:54:32,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 03:54:32,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:54:32,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 03:54:32,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:54:32,324 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 03:54:32,324 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-06 03:54:32,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:54:32,325 INFO L82 PathProgramCache]: Analyzing trace with hash 1574527004, now seen corresponding path program 4 times [2021-06-06 03:54:32,325 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:54:32,325 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076306798] [2021-06-06 03:54:32,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:54:32,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:54:32,397 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:54:32,397 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:54:32,397 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076306798] [2021-06-06 03:54:32,397 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076306798] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:54:32,397 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [356455636] [2021-06-06 03:54:32,397 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 [2021-06-06 03:54:32,440 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 03:54:32,441 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 03:54:32,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-06 03:54:32,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 03:54:32,580 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:54:32,581 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [356455636] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:54:32,581 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 03:54:32,581 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-06-06 03:54:32,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743207935] [2021-06-06 03:54:32,582 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-06 03:54:32,582 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:54:32,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-06 03:54:32,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-06-06 03:54:32,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:54:32,584 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:54:32,585 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 4.090909090909091) internal successors, (45), 10 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 03:54:32,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:54:32,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 03:54:32,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:54:32,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 03:54:32,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:54:32,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:54:33,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:54:33,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 03:54:33,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:54:33,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 03:54:33,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:54:33,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 03:54:33,384 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 03:54:33,385 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-06 03:54:33,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:54:33,385 INFO L82 PathProgramCache]: Analyzing trace with hash -572568546, now seen corresponding path program 5 times [2021-06-06 03:54:33,386 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:54:33,386 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853980073] [2021-06-06 03:54:33,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:54:33,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:54:33,469 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:54:33,469 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:54:33,469 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853980073] [2021-06-06 03:54:33,469 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853980073] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:54:33,470 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2044810269] [2021-06-06 03:54:33,470 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 [2021-06-06 03:54:33,537 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-06 03:54:33,538 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 03:54:33,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-06 03:54:33,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 03:54:33,780 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:54:33,780 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2044810269] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:54:33,780 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 03:54:33,780 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 8] total 8 [2021-06-06 03:54:33,781 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991681432] [2021-06-06 03:54:33,781 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-06 03:54:33,781 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:54:33,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-06 03:54:33,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-06-06 03:54:33,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:54:33,782 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:54:33,782 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 03:54:33,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:54:33,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 03:54:33,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:54:33,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 03:54:33,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:54:33,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 03:54:33,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:54:34,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:54:34,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 03:54:34,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:54:34,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 03:54:34,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:54:34,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 03:54:34,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 03:54:34,240 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 03:54:34,241 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-06 03:54:34,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:54:34,241 INFO L82 PathProgramCache]: Analyzing trace with hash -2004826212, now seen corresponding path program 6 times [2021-06-06 03:54:34,241 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:54:34,242 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737652929] [2021-06-06 03:54:34,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:54:34,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:54:34,323 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:54:34,323 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:54:34,323 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737652929] [2021-06-06 03:54:34,323 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737652929] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:54:34,324 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [288974410] [2021-06-06 03:54:34,324 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 [2021-06-06 03:54:34,379 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-06 03:54:34,379 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 03:54:34,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-06 03:54:34,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 03:54:34,536 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:54:34,536 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [288974410] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:54:34,536 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 03:54:34,536 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2021-06-06 03:54:34,537 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165648393] [2021-06-06 03:54:34,537 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-06 03:54:34,537 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:54:34,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-06 03:54:34,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2021-06-06 03:54:34,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:54:34,538 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:54:34,538 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 13 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 03:54:34,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:54:34,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 03:54:34,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:54:34,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 03:54:34,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:54:34,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 03:54:34,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 03:54:34,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:54:35,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:54:35,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 03:54:35,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:54:35,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 03:54:35,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:54:35,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 03:54:35,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 03:54:35,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 03:54:35,618 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-06-06 03:54:35,618 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-06 03:54:35,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:54:35,618 INFO L82 PathProgramCache]: Analyzing trace with hash -62205026, now seen corresponding path program 7 times [2021-06-06 03:54:35,619 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:54:35,619 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025705648] [2021-06-06 03:54:35,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:54:35,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:54:35,721 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:54:35,721 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:54:35,721 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025705648] [2021-06-06 03:54:35,721 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025705648] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:54:35,721 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [962051103] [2021-06-06 03:54:35,722 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 [2021-06-06 03:54:35,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:54:35,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-06 03:54:35,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 03:54:36,099 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:54:36,099 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [962051103] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:54:36,099 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 03:54:36,099 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 10] total 10 [2021-06-06 03:54:36,099 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683131748] [2021-06-06 03:54:36,100 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-06 03:54:36,100 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:54:36,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-06 03:54:36,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-06-06 03:54:36,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:54:36,101 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:54:36,101 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 6.454545454545454) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 03:54:36,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:54:36,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 03:54:36,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:54:36,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 03:54:36,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:54:36,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 03:54:36,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 03:54:36,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 03:54:36,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:54:36,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:54:36,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 03:54:36,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:54:36,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 03:54:36,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:54:36,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 03:54:36,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 03:54:36,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 03:54:36,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 03:54:36,680 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 03:54:36,681 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-06 03:54:36,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:54:36,681 INFO L82 PathProgramCache]: Analyzing trace with hash 983982108, now seen corresponding path program 8 times [2021-06-06 03:54:36,681 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:54:36,681 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252892986] [2021-06-06 03:54:36,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:54:36,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:54:36,771 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:54:36,771 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:54:36,771 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252892986] [2021-06-06 03:54:36,771 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252892986] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:54:36,771 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1596087106] [2021-06-06 03:54:36,771 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 [2021-06-06 03:54:36,815 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 03:54:36,815 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 03:54:36,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-06 03:54:36,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 03:54:37,063 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:54:37,063 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1596087106] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:54:37,064 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 03:54:37,064 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 16 [2021-06-06 03:54:37,064 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280872914] [2021-06-06 03:54:37,064 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-06 03:54:37,064 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:54:37,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-06 03:54:37,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2021-06-06 03:54:37,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:54:37,065 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:54:37,065 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 3.3529411764705883) internal successors, (57), 16 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 03:54:37,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:54:37,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 03:54:37,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:54:37,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 03:54:37,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:54:37,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 03:54:37,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 03:54:37,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 03:54:37,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 03:54:37,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:54:38,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:54:38,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 03:54:38,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:54:38,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 03:54:38,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:54:38,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 03:54:38,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 03:54:38,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 03:54:38,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 03:54:38,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 03:54:38,545 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 03:54:38,545 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-06 03:54:38,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:54:38,545 INFO L82 PathProgramCache]: Analyzing trace with hash -1150530530, now seen corresponding path program 9 times [2021-06-06 03:54:38,545 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:54:38,546 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647504896] [2021-06-06 03:54:38,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:54:38,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:54:38,660 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:54:38,660 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:54:38,660 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647504896] [2021-06-06 03:54:38,660 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647504896] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:54:38,661 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1537858233] [2021-06-06 03:54:38,661 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 [2021-06-06 03:54:38,718 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-06-06 03:54:38,718 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 03:54:38,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-06 03:54:38,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 03:54:39,189 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:54:39,189 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1537858233] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:54:39,189 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 03:54:39,189 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 12] total 12 [2021-06-06 03:54:39,190 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498542280] [2021-06-06 03:54:39,190 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-06 03:54:39,190 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:54:39,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-06 03:54:39,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-06-06 03:54:39,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:54:39,191 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:54:39,191 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 5.923076923076923) internal successors, (77), 12 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 03:54:39,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:54:39,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 03:54:39,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:54:39,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 03:54:39,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:54:39,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 03:54:39,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 03:54:39,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 03:54:39,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 03:54:39,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 03:54:39,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:54:39,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:54:39,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 03:54:39,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:54:39,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 03:54:39,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:54:39,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 03:54:39,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 03:54:39,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 03:54:39,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 03:54:39,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 03:54:39,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 03:54:39,771 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-06-06 03:54:39,772 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-06 03:54:39,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:54:39,772 INFO L82 PathProgramCache]: Analyzing trace with hash 269576604, now seen corresponding path program 10 times [2021-06-06 03:54:39,772 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:54:39,772 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789951732] [2021-06-06 03:54:39,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:54:39,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:54:39,957 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:54:39,957 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:54:39,958 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789951732] [2021-06-06 03:54:39,958 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789951732] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:54:39,958 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1522808025] [2021-06-06 03:54:39,958 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 [2021-06-06 03:54:40,004 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 03:54:40,004 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 03:54:40,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-06 03:54:40,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 03:54:40,299 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:54:40,299 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1522808025] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:54:40,299 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 03:54:40,300 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 19 [2021-06-06 03:54:40,300 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973387919] [2021-06-06 03:54:40,300 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-06 03:54:40,300 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:54:40,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-06 03:54:40,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=337, Unknown=0, NotChecked=0, Total=380 [2021-06-06 03:54:40,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:54:40,301 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:54:40,301 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 3.15) internal successors, (63), 19 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 03:54:40,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:54:40,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 03:54:40,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:54:40,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 03:54:40,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:54:40,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 03:54:40,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 03:54:40,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 03:54:40,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 03:54:40,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 03:54:40,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 03:54:40,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:54:41,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:54:41,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 03:54:41,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:54:41,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 03:54:41,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:54:41,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 03:54:41,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 03:54:41,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 03:54:41,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 03:54:41,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 03:54:41,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 03:54:41,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 03:54:42,070 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 03:54:42,071 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-06 03:54:42,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:54:42,071 INFO L82 PathProgramCache]: Analyzing trace with hash -499452514, now seen corresponding path program 11 times [2021-06-06 03:54:42,071 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:54:42,071 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343982246] [2021-06-06 03:54:42,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:54:42,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:54:42,199 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:54:42,199 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:54:42,199 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343982246] [2021-06-06 03:54:42,199 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343982246] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:54:42,199 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [460477541] [2021-06-06 03:54:42,199 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 [2021-06-06 03:54:42,246 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-06-06 03:54:42,246 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 03:54:42,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-06 03:54:42,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 03:54:42,657 WARN L348 FreeRefinementEngine]: Global settings require throwing the following exception [2021-06-06 03:54:42,879 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-06-06 03:54:42,880 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Possible infinite loop detected aux_div_aux_div_x2_10_97 already exists at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.polynomials.SolveForSubjectUtils.tryToHandleDivModSubterm(SolveForSubjectUtils.java:198) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.polynomials.SolveForSubjectUtils.findTreatableDivModSubterm(SolveForSubjectUtils.java:585) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.polynomials.SolveForSubjectUtils.findTreatableDivModSubterm(SolveForSubjectUtils.java:573) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.polynomials.SolveForSubjectUtils.solveForSubject(SolveForSubjectUtils.java:76) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.polynomials.PolynomialRelation.solveForSubject(PolynomialRelation.java:451) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.polynomials.SolveForSubjectUtils.tryToHandleDivModSubterm(SolveForSubjectUtils.java:212) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.polynomials.SolveForSubjectUtils.findTreatableDivModSubterm(SolveForSubjectUtils.java:585) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.polynomials.SolveForSubjectUtils.findTreatableDivModSubterm(SolveForSubjectUtils.java:573) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.polynomials.SolveForSubjectUtils.solveForSubject(SolveForSubjectUtils.java:76) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.polynomials.PolynomialRelation.solveForSubject(PolynomialRelation.java:451) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionDer$DerHelperMcsbr.solveForSubject(DualJunctionDer.java:408) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionDer$DerHelperMcsbr.solveForSubject(DualJunctionDer.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionDer$IDerHelper.findBestReplacementSbr(DualJunctionDer.java:312) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionDer$IDerHelper.tryToEliminateSbr(DualJunctionDer.java:328) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionDer.tryToEliminateOne(DualJunctionDer.java:231) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionDer.tryExhaustivelyToEliminate(DualJunctionDer.java:198) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionDer.tryToEliminateOne(DualJunctionDer.java:182) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionDer.tryExhaustivelyToEliminate(DualJunctionDer.java:149) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionDer.tryToEliminate(DualJunctionDer.java:127) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToEliminateOne(QuantifierPusher.java:869) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyNewEliminationTechniquesExhaustively(QuantifierPusher.java:835) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyDualJunctionEliminationTechniques(QuantifierPusher.java:753) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective2(QuantifierPusher.java:384) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:316) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.convert(QuantifierPusher.java:227) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:144) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:166) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp$LiveVariablesPostprocessorForward.postprocess(TraceCheckSpWp.java:539) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:201) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:299) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:297) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:190) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:180) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:643) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:374) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:63) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:364) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:293) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:238) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-06-06 03:54:42,884 INFO L168 Benchmark]: Toolchain (without parser) took 15066.43 ms. Allocated memory was 325.1 MB in the beginning and 725.6 MB in the end (delta: 400.6 MB). Free memory was 304.5 MB in the beginning and 384.7 MB in the end (delta: -80.2 MB). Peak memory consumption was 322.3 MB. Max. memory is 16.0 GB. [2021-06-06 03:54:42,884 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 325.1 MB. Free memory is still 305.6 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 03:54:42,884 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.04 ms. Allocated memory is still 325.1 MB. Free memory was 304.5 MB in the beginning and 303.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 03:54:42,884 INFO L168 Benchmark]: Boogie Preprocessor took 19.83 ms. Allocated memory is still 325.1 MB. Free memory was 303.0 MB in the beginning and 302.0 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 03:54:42,884 INFO L168 Benchmark]: RCFGBuilder took 272.97 ms. Allocated memory is still 325.1 MB. Free memory was 302.0 MB in the beginning and 289.1 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. [2021-06-06 03:54:42,884 INFO L168 Benchmark]: TraceAbstraction took 14738.69 ms. Allocated memory was 325.1 MB in the beginning and 725.6 MB in the end (delta: 400.6 MB). Free memory was 288.7 MB in the beginning and 384.7 MB in the end (delta: -96.0 MB). Peak memory consumption was 305.5 MB. Max. memory is 16.0 GB. [2021-06-06 03:54:42,885 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 0.16 ms. Allocated memory is still 325.1 MB. Free memory is still 305.6 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 30.04 ms. Allocated memory is still 325.1 MB. Free memory was 304.5 MB in the beginning and 303.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 19.83 ms. Allocated memory is still 325.1 MB. Free memory was 303.0 MB in the beginning and 302.0 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 272.97 ms. Allocated memory is still 325.1 MB. Free memory was 302.0 MB in the beginning and 289.1 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 14738.69 ms. Allocated memory was 325.1 MB in the beginning and 725.6 MB in the end (delta: 400.6 MB). Free memory was 288.7 MB in the beginning and 384.7 MB in the end (delta: -96.0 MB). Peak memory consumption was 305.5 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Possible infinite loop detected aux_div_aux_div_x2_10_97 already exists de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Possible infinite loop detected aux_div_aux_div_x2_10_97 already exists: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.polynomials.SolveForSubjectUtils.tryToHandleDivModSubterm(SolveForSubjectUtils.java:198) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...