/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x6.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 13:03:21,332 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 13:03:21,335 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 13:03:21,407 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 13:03:21,438 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-14 13:03:21,439 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-14 13:03:21,440 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-14 13:03:21,441 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-14 13:03:21,442 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-14 13:03:21,443 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-14 13:03:21,447 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-14 13:03:21,470 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-14 13:03:21,472 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-14 13:03:21,478 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-14 13:03:21,481 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-14 13:03:21,483 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-14 13:03:21,491 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-14 13:03:21,525 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-NewStatesSleepPersistent-NoLbe-Lockstep.epf [2021-07-14 13:03:21,601 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 13:03:21,601 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 13:03:21,602 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 13:03:21,602 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 13:03:21,605 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 13:03:21,606 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 13:03:21,606 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 13:03:21,620 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 13:03:21,621 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 13:03:21,621 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 13:03:21,622 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 13:03:21,622 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 13:03:21,623 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 13:03:21,623 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 13:03:21,623 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 13:03:21,623 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 13:03:21,623 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 13:03:21,623 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 13:03:21,623 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 13:03:21,624 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 13:03:21,624 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 13:03:21,624 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 13:03:21,624 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 13:03:21,624 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 13:03:21,624 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 13:03:21,624 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 13:03:21,625 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 13:03:21,625 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 13:03:21,625 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-14 13:03:21,625 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 13:03:21,625 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 13:03:21,625 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 13:03:21,626 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 13:03:21,626 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-14 13:03:21,626 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 13:03:22,310 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 13:03:22,362 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 13:03:22,379 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 13:03:22,380 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 13:03:22,382 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 13:03:22,382 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x6.wvr.bpl [2021-07-14 13:03:22,383 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x6.wvr.bpl' [2021-07-14 13:03:22,436 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 13:03:22,438 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 13:03:22,457 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 13:03:22,458 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 13:03:22,458 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 13:03:22,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:03:22" (1/1) ... [2021-07-14 13:03:22,491 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:03:22" (1/1) ... [2021-07-14 13:03:22,511 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 13:03:22,513 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 13:03:22,513 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 13:03:22,513 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 13:03:22,520 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:03:22" (1/1) ... [2021-07-14 13:03:22,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:03:22" (1/1) ... [2021-07-14 13:03:22,521 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:03:22" (1/1) ... [2021-07-14 13:03:22,521 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:03:22" (1/1) ... [2021-07-14 13:03:22,524 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:03:22" (1/1) ... [2021-07-14 13:03:22,546 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:03:22" (1/1) ... [2021-07-14 13:03:22,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:03:22" (1/1) ... [2021-07-14 13:03:22,554 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 13:03:22,556 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 13:03:22,556 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 13:03:22,556 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 13:03:22,570 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:03:22" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 13:03:22,717 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 13:03:22,718 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 13:03:22,718 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 13:03:22,718 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 13:03:22,718 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 13:03:22,718 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 13:03:22,718 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 13:03:22,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 13:03:22,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 13:03:22,719 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-14 13:03:22,720 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-14 13:03:22,720 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-14 13:03:22,720 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-07-14 13:03:22,721 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-07-14 13:03:22,721 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-07-14 13:03:22,722 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 13:03:23,037 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 13:03:23,037 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-14 13:03:23,048 INFO L202 PluginConnector]: Adding new model exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 01:03:23 BoogieIcfgContainer [2021-07-14 13:03:23,049 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 13:03:23,050 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 13:03:23,050 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 13:03:23,053 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 13:03:23,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:03:22" (1/2) ... [2021-07-14 13:03:23,054 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@267b5316 and model type exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 01:03:23, skipping insertion in model container [2021-07-14 13:03:23,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 01:03:23" (2/2) ... [2021-07-14 13:03:23,055 INFO L111 eAbstractionObserver]: Analyzing ICFG exp2x6.wvr.bpl [2021-07-14 13:03:23,060 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 13:03:23,060 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 13:03:23,060 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 13:03:23,077 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 13:03:23,118 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-07-14 13:03:23,150 INFO L255 AbstractCegarLoop]: Starting to check reachability of 5 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 13:03:23,206 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 13:03:23,206 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 13:03:23,206 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 13:03:23,206 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 13:03:23,207 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 13:03:23,207 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 13:03:23,207 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 13:03:23,207 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 13:03:23,309 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:03:23,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:03:23,314 INFO L82 PathProgramCache]: Analyzing trace with hash 448093995, now seen corresponding path program 1 times [2021-07-14 13:03:23,321 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:03:23,322 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37536204] [2021-07-14 13:03:23,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:03:23,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:03:23,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:03:23,477 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:03:23,477 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37536204] [2021-07-14 13:03:23,478 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37536204] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 13:03:23,478 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 13:03:23,478 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-14 13:03:23,478 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393082802] [2021-07-14 13:03:23,481 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 13:03:23,482 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:03:23,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 13:03:23,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 13:03:23,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:03:23,492 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:03:23,493 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 13:03:23,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:03:23,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:03:23,562 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 13:03:23,562 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:03:23,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:03:23,563 INFO L82 PathProgramCache]: Analyzing trace with hash 1614691990, now seen corresponding path program 1 times [2021-07-14 13:03:23,563 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:03:23,563 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79870523] [2021-07-14 13:03:23,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:03:23,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:03:23,609 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:03:23,610 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:03:23,610 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79870523] [2021-07-14 13:03:23,610 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79870523] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:03:23,610 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1705983225] [2021-07-14 13:03:23,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:03:23,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:03:23,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2021-07-14 13:03:23,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:03:23,746 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:03:23,746 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1705983225] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:03:23,747 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:03:23,747 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-07-14 13:03:23,748 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777803275] [2021-07-14 13:03:23,748 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-14 13:03:23,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:03:23,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-14 13:03:23,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-14 13:03:23,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:03:23,750 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:03:23,750 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 13:03:23,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:03:23,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:03:23,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:03:23,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:03:24,039 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:03:24,039 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:03:24,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:03:24,040 INFO L82 PathProgramCache]: Analyzing trace with hash -1043754848, now seen corresponding path program 1 times [2021-07-14 13:03:24,040 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:03:24,040 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191501409] [2021-07-14 13:03:24,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:03:24,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:03:24,224 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:03:24,225 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:03:24,225 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191501409] [2021-07-14 13:03:24,225 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191501409] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:03:24,225 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2044816822] [2021-07-14 13:03:24,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:03:24,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:03:24,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 21 conjunts are in the unsatisfiable core [2021-07-14 13:03:24,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2021-07-14 13:17:43,197 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:17:43,198 WARN L547 AbstractCegarLoop]: Verification canceled [2021-07-14 13:17:43,204 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-14 13:17:43,205 WARN L196 ceAbstractionStarter]: Timeout [2021-07-14 13:17:43,206 INFO L202 PluginConnector]: Adding new model exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.07 01:17:43 BasicIcfg [2021-07-14 13:17:43,206 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-14 13:17:43,207 INFO L168 Benchmark]: Toolchain (without parser) took 860769.14 ms. Allocated memory was 181.4 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 162.0 MB in the beginning and 1.1 GB in the end (delta: -916.7 MB). Peak memory consumption was 1.4 GB. Max. memory is 8.0 GB. [2021-07-14 13:17:43,207 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 181.4 MB. Free memory is still 163.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 13:17:43,208 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.44 ms. Allocated memory is still 181.4 MB. Free memory was 161.8 MB in the beginning and 160.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 13:17:43,209 INFO L168 Benchmark]: Boogie Preprocessor took 42.18 ms. Allocated memory is still 181.4 MB. Free memory was 160.4 MB in the beginning and 159.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 13:17:43,209 INFO L168 Benchmark]: RCFGBuilder took 493.20 ms. Allocated memory is still 181.4 MB. Free memory was 159.3 MB in the beginning and 147.0 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-07-14 13:17:43,209 INFO L168 Benchmark]: TraceAbstraction took 860156.18 ms. Allocated memory was 181.4 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 146.4 MB in the beginning and 1.1 GB in the end (delta: -932.3 MB). Peak memory consumption was 1.3 GB. Max. memory is 8.0 GB. [2021-07-14 13:17:43,209 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 181.4 MB. Free memory is still 163.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 54.44 ms. Allocated memory is still 181.4 MB. Free memory was 161.8 MB in the beginning and 160.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 42.18 ms. Allocated memory is still 181.4 MB. Free memory was 160.4 MB in the beginning and 159.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 493.20 ms. Allocated memory is still 181.4 MB. Free memory was 159.3 MB in the beginning and 147.0 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 860156.18 ms. Allocated memory was 181.4 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 146.4 MB in the beginning and 1.1 GB in the end (delta: -932.3 MB). Peak memory consumption was 1.3 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2381, positive: 2242, positive conditional: 1003, positive unconditional: 1239, negative: 139, negative conditional: 139, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 2242, positive: 2242, positive conditional: 1003, positive unconditional: 1239, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 2242, positive: 2242, positive conditional: 0, positive unconditional: 2242, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 887, positive: 887, positive conditional: 0, positive unconditional: 887, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 887, positive: 887, positive conditional: 0, positive unconditional: 887, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2242, positive: 1355, positive conditional: 0, positive unconditional: 1355, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 887, unknown conditional: 0, unknown unconditional: 887] , Statistics on independence cache: Total cache size (in pairs): 887, Positive cache size: 887, Positive conditional cache size: 0, Positive unconditional cache size: 887, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 887, Positive cache size: 887, Positive conditional cache size: 0, Positive unconditional cache size: 887, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 887, Positive cache size: 887, Positive conditional cache size: 0, Positive unconditional cache size: 887, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 ], Maximal queried relation: 0, Independence queries for same thread: 139 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 55, Number of persistent set computation: 35, Number of trivial persistent sets: 6, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2381, positive: 2242, positive conditional: 1003, positive unconditional: 1239, negative: 139, negative conditional: 139, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 2242, positive: 2242, positive conditional: 1003, positive unconditional: 1239, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 2242, positive: 2242, positive conditional: 0, positive unconditional: 2242, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 887, positive: 887, positive conditional: 0, positive unconditional: 887, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 887, positive: 887, positive conditional: 0, positive unconditional: 887, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2242, positive: 1355, positive conditional: 0, positive unconditional: 1355, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 887, unknown conditional: 0, unknown unconditional: 887] , Statistics on independence cache: Total cache size (in pairs): 887, Positive cache size: 887, Positive conditional cache size: 0, Positive unconditional cache size: 887, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 887, Positive cache size: 887, Positive conditional cache size: 0, Positive unconditional cache size: 887, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 887, Positive cache size: 887, Positive conditional cache size: 0, Positive unconditional cache size: 887, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 ], Maximal queried relation: 0, Independence queries for same thread: 139 - TimeoutResultAtElement [Line: 72]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 30 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while QuantifierPusher was running 450 iterations of DualJunctionQuantifierElimination. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 74 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 860034.6ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.3ms, PartialOrderReductionTime: 223.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 14.1ms SsaConstructionTime, 44.8ms SatisfiabilityAnalysisTime, 204.7ms InterpolantComputationTime, 67 NumberOfCodeBlocks, 67 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 64 ConstructedInterpolants, 0 QuantifiedInterpolants, 234 SizeOfPredicates, 1 NumberOfNonLiveVariables, 67 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 0/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown