/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x6.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-17 06:21:00,348 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-17 06:21:00,351 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-17 06:21:00,382 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-17 06:21:00,382 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-17 06:21:00,385 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-17 06:21:00,387 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-17 06:21:00,392 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-17 06:21:00,393 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-17 06:21:00,397 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-17 06:21:00,397 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-17 06:21:00,398 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-17 06:21:00,399 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-17 06:21:00,400 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-17 06:21:00,401 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-17 06:21:00,402 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-17 06:21:00,405 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-17 06:21:00,405 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-17 06:21:00,407 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-17 06:21:00,411 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-17 06:21:00,412 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-17 06:21:00,413 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-17 06:21:00,413 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-17 06:21:00,415 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-17 06:21:00,418 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-17 06:21:00,419 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-17 06:21:00,419 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-17 06:21:00,420 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-17 06:21:00,420 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-17 06:21:00,421 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2021-06-17 06:21:00,425 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-17 06:21:00,425 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-17 06:21:00,426 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-17 06:21:00,439 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf [2021-06-17 06:21:00,466 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-17 06:21:00,466 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-17 06:21:00,467 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-17 06:21:00,467 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-17 06:21:00,469 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-17 06:21:00,469 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-17 06:21:00,469 INFO L138 SettingsManager]: * Use SBE=true [2021-06-17 06:21:00,469 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-17 06:21:00,469 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-17 06:21:00,469 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-17 06:21:00,470 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-17 06:21:00,470 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-17 06:21:00,470 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-17 06:21:00,470 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-17 06:21:00,470 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-17 06:21:00,470 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-17 06:21:00,470 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-17 06:21:00,471 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-17 06:21:00,471 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-17 06:21:00,471 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-17 06:21:00,471 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-17 06:21:00,471 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-17 06:21:00,471 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-17 06:21:00,471 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-17 06:21:00,471 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-17 06:21:00,471 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-17 06:21:00,472 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-17 06:21:00,472 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-17 06:21:00,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-17 06:21:00,472 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-17 06:21:00,472 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-17 06:21:00,472 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-17 06:21:00,472 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-06-17 06:21:00,473 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-17 06:21:00,721 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-17 06:21:00,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-17 06:21:00,747 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-17 06:21:00,748 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-17 06:21:00,749 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-17 06:21:00,750 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x6.wvr.bpl [2021-06-17 06:21:00,750 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x6.wvr.bpl' [2021-06-17 06:21:00,798 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-17 06:21:00,800 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-17 06:21:00,801 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-17 06:21:00,801 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-17 06:21:00,802 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-17 06:21:00,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 06:21:00" (1/1) ... [2021-06-17 06:21:00,816 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 06:21:00" (1/1) ... [2021-06-17 06:21:00,822 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-17 06:21:00,824 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-17 06:21:00,824 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-17 06:21:00,824 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-17 06:21:00,829 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 06:21:00" (1/1) ... [2021-06-17 06:21:00,829 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 06:21:00" (1/1) ... [2021-06-17 06:21:00,831 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 06:21:00" (1/1) ... [2021-06-17 06:21:00,831 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 06:21:00" (1/1) ... [2021-06-17 06:21:00,835 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 06:21:00" (1/1) ... [2021-06-17 06:21:00,838 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 06:21:00" (1/1) ... [2021-06-17 06:21:00,838 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 06:21:00" (1/1) ... [2021-06-17 06:21:00,840 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-17 06:21:00,841 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-17 06:21:00,841 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-17 06:21:00,841 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-17 06:21:00,845 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 06:21:00" (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 [2021-06-17 06:21:00,901 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-17 06:21:00,902 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-17 06:21:00,902 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-17 06:21:00,902 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-17 06:21:00,902 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-17 06:21:00,902 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-17 06:21:00,902 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-17 06:21:00,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-17 06:21:00,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-17 06:21:00,904 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-17 06:21:00,904 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-17 06:21:00,904 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-17 06:21:00,904 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-06-17 06:21:00,905 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-06-17 06:21:00,905 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-06-17 06:21:00,906 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-17 06:21:01,143 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-17 06:21:01,156 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-17 06:21:01,158 INFO L202 PluginConnector]: Adding new model exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 06:21:01 BoogieIcfgContainer [2021-06-17 06:21:01,159 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-17 06:21:01,160 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-17 06:21:01,160 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-17 06:21:01,179 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-17 06:21:01,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 06:21:00" (1/2) ... [2021-06-17 06:21:01,180 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@583938a6 and model type exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.06 06:21:01, skipping insertion in model container [2021-06-17 06:21:01,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 06:21:01" (2/2) ... [2021-06-17 06:21:01,181 INFO L111 eAbstractionObserver]: Analyzing ICFG exp2x6.wvr.bpl [2021-06-17 06:21:01,185 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-17 06:21:01,185 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-17 06:21:01,185 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-17 06:21:01,186 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-17 06:21:01,263 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-06-17 06:21:01,280 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 [2021-06-17 06:21:01,326 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-17 06:21:01,326 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-17 06:21:01,326 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-17 06:21:01,326 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-17 06:21:01,327 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-17 06:21:01,327 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-17 06:21:01,327 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-17 06:21:01,327 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-17 06:21:01,710 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:21:01,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:21:01,717 INFO L82 PathProgramCache]: Analyzing trace with hash 1771844095, now seen corresponding path program 1 times [2021-06-17 06:21:01,723 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:21:01,723 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436975616] [2021-06-17 06:21:01,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:21:01,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:21:01,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:21:01,876 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:21:01,876 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436975616] [2021-06-17 06:21:01,877 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436975616] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 06:21:01,878 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 06:21:01,878 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-17 06:21:01,879 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740816905] [2021-06-17 06:21:01,883 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-17 06:21:01,883 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:21:01,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-17 06:21:01,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-17 06:21:01,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:21:01,894 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:21:01,895 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) [2021-06-17 06:21:01,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:21:02,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:21:02,015 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-17 06:21:02,015 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:21:02,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:21:02,017 INFO L82 PathProgramCache]: Analyzing trace with hash 1143599398, now seen corresponding path program 1 times [2021-06-17 06:21:02,017 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:21:02,018 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434870473] [2021-06-17 06:21:02,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:21:02,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:21:02,085 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:21:02,085 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:21:02,086 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434870473] [2021-06-17 06:21:02,086 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434870473] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:21:02,086 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [413989437] [2021-06-17 06:21:02,086 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 [2021-06-17 06:21:02,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:21:02,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2021-06-17 06:21:02,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:21:02,226 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:21:02,227 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [413989437] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:21:02,227 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:21:02,227 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-06-17 06:21:02,228 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028008399] [2021-06-17 06:21:02,229 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-17 06:21:02,229 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:21:02,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-17 06:21:02,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-17 06:21:02,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:21:02,237 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:21:02,237 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) [2021-06-17 06:21:02,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:21:02,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:21:02,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:21:02,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:21:02,562 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:21:02,562 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:21:02,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:21:02,564 INFO L82 PathProgramCache]: Analyzing trace with hash -679917390, now seen corresponding path program 1 times [2021-06-17 06:21:02,564 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:21:02,564 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257156131] [2021-06-17 06:21:02,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:21:02,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:21:02,775 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:21:02,776 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:21:02,776 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257156131] [2021-06-17 06:21:02,776 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257156131] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:21:02,776 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1307031021] [2021-06-17 06:21:02,776 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 [2021-06-17 06:21:02,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:21:02,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 21 conjunts are in the unsatisfiable core [2021-06-17 06:21:02,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2021-06-17 06:35:31,353 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:35:31,354 WARN L547 AbstractCegarLoop]: Verification canceled [2021-06-17 06:35:31,359 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-17 06:35:31,360 WARN L196 ceAbstractionStarter]: Timeout [2021-06-17 06:35:31,360 INFO L202 PluginConnector]: Adding new model exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.06 06:35:31 BasicIcfg [2021-06-17 06:35:31,360 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-17 06:35:31,361 INFO L168 Benchmark]: Toolchain (without parser) took 870560.92 ms. Allocated memory was 212.9 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 191.8 MB in the beginning and 514.2 MB in the end (delta: -322.4 MB). Peak memory consumption was 1.3 GB. Max. memory is 8.0 GB. [2021-06-17 06:35:31,361 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 212.9 MB. Free memory is still 192.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-17 06:35:31,361 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.53 ms. Allocated memory is still 212.9 MB. Free memory was 191.6 MB in the beginning and 190.3 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-06-17 06:35:31,361 INFO L168 Benchmark]: Boogie Preprocessor took 16.63 ms. Allocated memory is still 212.9 MB. Free memory was 190.2 MB in the beginning and 189.3 MB in the end (delta: 952.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-17 06:35:31,361 INFO L168 Benchmark]: RCFGBuilder took 317.68 ms. Allocated memory is still 212.9 MB. Free memory was 189.2 MB in the beginning and 176.4 MB in the end (delta: 12.8 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-06-17 06:35:31,361 INFO L168 Benchmark]: TraceAbstraction took 870200.45 ms. Allocated memory was 212.9 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 176.1 MB in the beginning and 514.2 MB in the end (delta: -338.1 MB). Peak memory consumption was 1.3 GB. Max. memory is 8.0 GB. [2021-06-17 06:35:31,362 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 0.12 ms. Allocated memory is still 212.9 MB. Free memory is still 192.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 21.53 ms. Allocated memory is still 212.9 MB. Free memory was 191.6 MB in the beginning and 190.3 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Preprocessor took 16.63 ms. Allocated memory is still 212.9 MB. Free memory was 190.2 MB in the beginning and 189.3 MB in the end (delta: 952.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 317.68 ms. Allocated memory is still 212.9 MB. Free memory was 189.2 MB in the beginning and 176.4 MB in the end (delta: 12.8 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 870200.45 ms. Allocated memory was 212.9 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 176.1 MB in the beginning and 514.2 MB in the end (delta: -338.1 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: 6048, positive: 5598, positive conditional: 4316, positive unconditional: 1282, negative: 450, negative conditional: 450, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 5598, positive: 5598, positive conditional: 4316, positive unconditional: 1282, 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: 5598, positive: 5598, positive conditional: 0, positive unconditional: 5598, 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: 812, positive: 812, positive conditional: 0, positive unconditional: 812, 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: 812, positive: 812, positive conditional: 0, positive unconditional: 812, 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: 5598, positive: 4786, positive conditional: 0, positive unconditional: 4786, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 812, unknown conditional: 0, unknown unconditional: 812] , Statistics on independence cache: Total cache size (in pairs): 812, Positive cache size: 812, Positive conditional cache size: 0, Positive unconditional cache size: 812, 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): 812, Positive cache size: 812, Positive conditional cache size: 0, Positive unconditional cache size: 812, 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): 812, Positive cache size: 812, Positive conditional cache size: 0, Positive unconditional cache size: 812, 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: 450 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 310, Number of persistent set computation: 1874, Number of trivial persistent sets: 1480, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6048, positive: 5598, positive conditional: 4316, positive unconditional: 1282, negative: 450, negative conditional: 450, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 5598, positive: 5598, positive conditional: 4316, positive unconditional: 1282, 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: 5598, positive: 5598, positive conditional: 0, positive unconditional: 5598, 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: 812, positive: 812, positive conditional: 0, positive unconditional: 812, 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: 812, positive: 812, positive conditional: 0, positive unconditional: 812, 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: 5598, positive: 4786, positive conditional: 0, positive unconditional: 4786, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 812, unknown conditional: 0, unknown unconditional: 812] , Statistics on independence cache: Total cache size (in pairs): 812, Positive cache size: 812, Positive conditional cache size: 0, Positive unconditional cache size: 812, 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): 812, Positive cache size: 812, Positive conditional cache size: 0, Positive unconditional cache size: 812, 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): 812, Positive cache size: 812, Positive conditional cache size: 0, Positive unconditional cache size: 812, 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: 450 - 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 454 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: 870064.3ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 13.6ms, PartialOrderReductionTime: 595.5ms, 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: 18.4ms SsaConstructionTime, 62.2ms SatisfiabilityAnalysisTime, 209.4ms InterpolantComputationTime, 67 NumberOfCodeBlocks, 67 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 64 ConstructedInterpolants, 0 QuantifiedInterpolants, 238 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