/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-Random521.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/bakery-2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 14:52:03,598 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 14:52:03,599 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 14:52:03,624 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-10 14:52:03,633 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-10 14:52:03,634 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-10 14:52:03,634 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-10 14:52:03,635 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-10 14:52:03,636 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-10 14:52:03,637 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-10 14:52:03,638 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-10 14:52:03,640 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-10 14:52:03,641 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-10 14:52:03,642 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-10 14:52:03,643 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-10 14:52:03,643 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-10 14:52:03,646 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-10 14:52:03,667 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-10 14:52:03,667 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-10 14:52:03,668 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-10 14:52:03,670 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-Random521.epf [2021-07-10 14:52:03,707 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 14:52:03,708 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 14:52:03,708 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 14:52:03,709 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 14:52:03,711 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 14:52:03,711 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 14:52:03,711 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 14:52:03,712 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 14:52:03,712 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 14:52:03,712 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 14:52:03,713 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 14:52:03,713 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 14:52:03,713 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 14:52:03,713 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 14:52:03,714 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 14:52:03,714 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 14:52:03,714 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 14:52:03,714 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 14:52:03,714 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 14:52:03,714 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 14:52:03,715 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 14:52:03,715 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 14:52:03,715 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 14:52:03,715 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 14:52:03,715 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 14:52:03,715 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 14:52:03,716 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 14:52:03,716 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 14:52:03,716 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-10 14:52:03,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 14:52:03,717 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 14:52:03,717 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 14:52:03,717 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 14:52:03,717 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-10 14:52:03,718 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-10 14:52:03,718 INFO L138 SettingsManager]: * Random seed used by POR DFS order=521 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 14:52:04,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 14:52:04,019 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 14:52:04,021 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 14:52:04,022 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 14:52:04,023 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 14:52:04,024 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/bakery-2.wvr.bpl [2021-07-10 14:52:04,024 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/bakery-2.wvr.bpl' [2021-07-10 14:52:04,054 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 14:52:04,056 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 14:52:04,057 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 14:52:04,057 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 14:52:04,057 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 14:52:04,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bakery-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:52:04" (1/1) ... [2021-07-10 14:52:04,076 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bakery-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:52:04" (1/1) ... [2021-07-10 14:52:04,082 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 14:52:04,083 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 14:52:04,083 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 14:52:04,084 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 14:52:04,090 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bakery-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:52:04" (1/1) ... [2021-07-10 14:52:04,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bakery-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:52:04" (1/1) ... [2021-07-10 14:52:04,092 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bakery-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:52:04" (1/1) ... [2021-07-10 14:52:04,092 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bakery-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:52:04" (1/1) ... [2021-07-10 14:52:04,098 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bakery-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:52:04" (1/1) ... [2021-07-10 14:52:04,100 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bakery-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:52:04" (1/1) ... [2021-07-10 14:52:04,101 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bakery-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:52:04" (1/1) ... [2021-07-10 14:52:04,109 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 14:52:04,110 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 14:52:04,110 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 14:52:04,110 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 14:52:04,111 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bakery-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:52:04" (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 [2021-07-10 14:52:04,178 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 14:52:04,179 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 14:52:04,179 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 14:52:04,179 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 14:52:04,179 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 14:52:04,179 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 14:52:04,179 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 14:52:04,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 14:52:04,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 14:52:04,181 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-10 14:52:04,340 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 14:52:04,340 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-10 14:52:04,341 INFO L202 PluginConnector]: Adding new model bakery-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 02:52:04 BoogieIcfgContainer [2021-07-10 14:52:04,341 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 14:52:04,343 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 14:52:04,343 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 14:52:04,346 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 14:52:04,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bakery-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:52:04" (1/2) ... [2021-07-10 14:52:04,346 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75a19cdb and model type bakery-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 02:52:04, skipping insertion in model container [2021-07-10 14:52:04,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bakery-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 02:52:04" (2/2) ... [2021-07-10 14:52:04,348 INFO L111 eAbstractionObserver]: Analyzing ICFG bakery-2.wvr.bpl [2021-07-10 14:52:04,352 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 14:52:04,352 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 14:52:04,352 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 14:52:04,353 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 14:52:04,380 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-10 14:52:04,400 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-10 14:52:04,501 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 14:52:04,501 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 14:52:04,501 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 14:52:04,501 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 14:52:04,501 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 14:52:04,502 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 14:52:04,502 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 14:52:04,502 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 14:52:04,666 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:52:04,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:52:04,671 INFO L82 PathProgramCache]: Analyzing trace with hash 895752374, now seen corresponding path program 1 times [2021-07-10 14:52:04,678 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:52:04,678 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774517316] [2021-07-10 14:52:04,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:52:04,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:52:04,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:52:04,780 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:52:04,780 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774517316] [2021-07-10 14:52:04,781 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774517316] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 14:52:04,781 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 14:52:04,781 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-10 14:52:04,782 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102814570] [2021-07-10 14:52:04,785 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 14:52:04,786 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:52:04,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 14:52:04,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-10 14:52:04,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:52:04,798 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:52:04,800 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:52:04,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:52:04,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:52:04,846 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 14:52:04,846 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:52:04,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:52:04,847 INFO L82 PathProgramCache]: Analyzing trace with hash 678911470, now seen corresponding path program 2 times [2021-07-10 14:52:04,847 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:52:04,847 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272637505] [2021-07-10 14:52:04,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:52:04,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:52:04,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:52:04,958 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:52:04,958 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272637505] [2021-07-10 14:52:04,958 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272637505] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 14:52:04,958 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 14:52:04,958 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-10 14:52:04,958 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450646718] [2021-07-10 14:52:04,960 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-10 14:52:04,960 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:52:04,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-10 14:52:04,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-07-10 14:52:04,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:52:04,961 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:52:04,961 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:52:04,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:52:04,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:52:05,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:52:05,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:52:05,016 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-10 14:52:05,016 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:52:05,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:52:05,017 INFO L82 PathProgramCache]: Analyzing trace with hash -1005743410, now seen corresponding path program 3 times [2021-07-10 14:52:05,017 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:52:05,018 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662768971] [2021-07-10 14:52:05,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:52:05,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:52:05,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:52:05,163 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:52:05,163 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662768971] [2021-07-10 14:52:05,163 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662768971] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 14:52:05,163 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 14:52:05,163 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-10 14:52:05,164 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303704658] [2021-07-10 14:52:05,164 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-10 14:52:05,164 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:52:05,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-10 14:52:05,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-07-10 14:52:05,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:52:05,165 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:52:05,166 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:52:05,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:52:05,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:52:05,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:52:05,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:52:05,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:52:05,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:52:05,387 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-10 14:52:05,387 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:52:05,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:52:05,388 INFO L82 PathProgramCache]: Analyzing trace with hash 340345856, now seen corresponding path program 4 times [2021-07-10 14:52:05,388 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:52:05,388 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316557510] [2021-07-10 14:52:05,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:52:05,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:52:05,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:52:05,453 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:52:05,453 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316557510] [2021-07-10 14:52:05,453 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316557510] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 14:52:05,453 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 14:52:05,454 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-10 14:52:05,454 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222289361] [2021-07-10 14:52:05,454 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-10 14:52:05,454 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:52:05,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-10 14:52:05,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-07-10 14:52:05,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:52:05,455 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:52:05,456 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:52:05,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:52:05,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:52:05,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:52:05,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:52:05,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:52:05,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:52:05,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:52:05,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:52:05,518 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-10 14:52:05,518 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:52:05,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:52:05,518 INFO L82 PathProgramCache]: Analyzing trace with hash -2107678860, now seen corresponding path program 5 times [2021-07-10 14:52:05,519 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:52:05,519 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601547353] [2021-07-10 14:52:05,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:52:05,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:52:05,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:52:05,540 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:52:05,540 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601547353] [2021-07-10 14:52:05,540 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601547353] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 14:52:05,541 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 14:52:05,541 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-10 14:52:05,544 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862876203] [2021-07-10 14:52:05,544 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 14:52:05,545 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:52:05,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 14:52:05,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-10 14:52:05,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:52:05,546 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:52:05,546 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:52:05,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:52:05,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:52:05,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:52:05,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:52:05,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:52:05,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:52:05,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:52:05,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:52:05,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:52:05,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:52:05,572 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-07-10 14:52:05,572 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:52:05,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:52:05,573 INFO L82 PathProgramCache]: Analyzing trace with hash -948942660, now seen corresponding path program 6 times [2021-07-10 14:52:05,573 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:52:05,573 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904829861] [2021-07-10 14:52:05,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:52:05,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:52:05,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:52:05,641 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:52:05,641 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904829861] [2021-07-10 14:52:05,642 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904829861] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 14:52:05,642 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 14:52:05,642 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-10 14:52:05,642 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696677923] [2021-07-10 14:52:05,643 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-10 14:52:05,643 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:52:05,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-10 14:52:05,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-07-10 14:52:05,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:52:05,646 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:52:05,646 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:52:05,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:52:05,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:52:05,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:52:05,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:52:05,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:52:05,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:52:05,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:52:05,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:52:05,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:52:05,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:52:05,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:52:05,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:52:05,708 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-07-10 14:52:05,708 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:52:05,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:52:05,709 INFO L82 PathProgramCache]: Analyzing trace with hash -1294968634, now seen corresponding path program 7 times [2021-07-10 14:52:05,709 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:52:05,709 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839311702] [2021-07-10 14:52:05,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:52:05,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:52:05,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:52:05,819 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:52:05,820 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839311702] [2021-07-10 14:52:05,820 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839311702] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 14:52:05,820 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 14:52:05,820 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-10 14:52:05,820 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153824384] [2021-07-10 14:52:05,820 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-10 14:52:05,821 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:52:05,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-10 14:52:05,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-07-10 14:52:05,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:52:05,821 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:52:05,822 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:52:05,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:52:05,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:52:05,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:52:05,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:52:05,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:52:05,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:52:05,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:52:05,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:52:05,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:52:05,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:52:05,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:52:05,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:52:05,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:52:05,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:52:05,937 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-07-10 14:52:05,947 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-10 14:52:05,949 INFO L202 PluginConnector]: Adding new model bakery-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.07 02:52:05 BasicIcfg [2021-07-10 14:52:05,949 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-10 14:52:05,950 INFO L168 Benchmark]: Toolchain (without parser) took 1894.10 ms. Allocated memory is still 195.0 MB. Free memory was 175.9 MB in the beginning and 161.1 MB in the end (delta: 14.8 MB). Peak memory consumption was 16.5 MB. Max. memory is 8.0 GB. [2021-07-10 14:52:05,950 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 195.0 MB. Free memory is still 177.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-10 14:52:05,950 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.41 ms. Allocated memory is still 195.0 MB. Free memory was 175.9 MB in the beginning and 174.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-10 14:52:05,951 INFO L168 Benchmark]: Boogie Preprocessor took 25.54 ms. Allocated memory is still 195.0 MB. Free memory was 174.4 MB in the beginning and 173.6 MB in the end (delta: 810.8 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-10 14:52:05,951 INFO L168 Benchmark]: RCFGBuilder took 232.05 ms. Allocated memory is still 195.0 MB. Free memory was 173.4 MB in the beginning and 162.0 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-07-10 14:52:05,951 INFO L168 Benchmark]: TraceAbstraction took 1606.02 ms. Allocated memory is still 195.0 MB. Free memory was 161.7 MB in the beginning and 161.1 MB in the end (delta: 539.7 kB). Peak memory consumption was 1.8 MB. Max. memory is 8.0 GB. [2021-07-10 14:52:05,953 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 0.11 ms. Allocated memory is still 195.0 MB. Free memory is still 177.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 25.41 ms. Allocated memory is still 195.0 MB. Free memory was 175.9 MB in the beginning and 174.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 25.54 ms. Allocated memory is still 195.0 MB. Free memory was 174.4 MB in the beginning and 173.6 MB in the end (delta: 810.8 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 232.05 ms. Allocated memory is still 195.0 MB. Free memory was 173.4 MB in the beginning and 162.0 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1606.02 ms. Allocated memory is still 195.0 MB. Free memory was 161.7 MB in the beginning and 161.1 MB in the end (delta: 539.7 kB). Peak memory consumption was 1.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1085, positive: 958, positive conditional: 415, positive unconditional: 543, negative: 127, negative conditional: 62, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1085, positive: 958, positive conditional: 415, positive unconditional: 543, negative: 127, negative conditional: 62, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1085, positive: 952, positive conditional: 0, positive unconditional: 952, negative: 133, negative conditional: 0, negative unconditional: 133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 299, positive: 272, positive conditional: 0, positive unconditional: 272, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 299, positive: 263, positive conditional: 0, positive unconditional: 263, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 36, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 11, positive conditional: 2, positive unconditional: 9, negative: 47, negative conditional: 20, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 165, positive: 32, positive conditional: 6, positive unconditional: 26, negative: 133, negative conditional: 41, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1085, positive: 680, positive conditional: 0, positive unconditional: 680, negative: 106, negative conditional: 0, negative unconditional: 106, unknown: 299, unknown conditional: 0, unknown unconditional: 299] , Statistics on independence cache: Total cache size (in pairs): 321, Positive cache size: 274, Positive conditional cache size: 2, Positive unconditional cache size: 272, Negative cache size: 47, Negative conditional cache size: 20, Negative unconditional cache size: 27, SemanticConditionEliminator.Independence Queries: [ total: 486, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 480, negative conditional: 74, negative unconditional: 406, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 486, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 480, negative conditional: 74, negative unconditional: 406, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 11, positive conditional: 2, positive unconditional: 9, negative: 47, negative conditional: 20, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 165, positive: 32, positive conditional: 6, positive unconditional: 26, negative: 133, negative conditional: 41, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 486, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 460, negative conditional: 54, negative unconditional: 406, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 321, Positive cache size: 274, Positive conditional cache size: 2, Positive unconditional cache size: 272, Negative cache size: 47, Negative conditional cache size: 20, Negative unconditional cache size: 27, Eliminated conditions: 230, SemanticConditionEliminator.Independence Queries: [ total: 486, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 480, negative conditional: 74, negative unconditional: 406, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 486, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 480, negative conditional: 74, negative unconditional: 406, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 11, positive conditional: 2, positive unconditional: 9, negative: 47, negative conditional: 20, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 165, positive: 32, positive conditional: 6, positive unconditional: 26, negative: 133, negative conditional: 41, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 486, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 460, negative conditional: 54, negative unconditional: 406, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 321, Positive cache size: 274, Positive conditional cache size: 2, Positive unconditional cache size: 272, Negative cache size: 47, Negative conditional cache size: 20, Negative unconditional cache size: 27, Eliminated conditions: 230, SemanticConditionEliminator.Independence Queries: [ total: 486, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 480, negative conditional: 74, negative unconditional: 406, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 486, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 480, negative conditional: 74, negative unconditional: 406, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 11, positive conditional: 2, positive unconditional: 9, negative: 47, negative conditional: 20, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 165, positive: 32, positive conditional: 6, positive unconditional: 26, negative: 133, negative conditional: 41, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 486, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 460, negative conditional: 54, negative unconditional: 406, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 321, Positive cache size: 274, Positive conditional cache size: 2, Positive unconditional cache size: 272, Negative cache size: 47, Negative conditional cache size: 20, Negative unconditional cache size: 27, Eliminated conditions: 230, SemanticConditionEliminator.Independence Queries: [ total: 486, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 480, negative conditional: 74, negative unconditional: 406, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 486, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 480, negative conditional: 74, negative unconditional: 406, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 11, positive conditional: 2, positive unconditional: 9, negative: 47, negative conditional: 20, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 165, positive: 32, positive conditional: 6, positive unconditional: 26, negative: 133, negative conditional: 41, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 486, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 460, negative conditional: 54, negative unconditional: 406, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 321, Positive cache size: 274, Positive conditional cache size: 2, Positive unconditional cache size: 272, Negative cache size: 47, Negative conditional cache size: 20, Negative unconditional cache size: 27, Eliminated conditions: 230, SemanticConditionEliminator.Independence Queries: [ total: 486, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 480, negative conditional: 74, negative unconditional: 406, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 486, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 480, negative conditional: 74, negative unconditional: 406, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 11, positive conditional: 2, positive unconditional: 9, negative: 47, negative conditional: 20, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 165, positive: 32, positive conditional: 6, positive unconditional: 26, negative: 133, negative conditional: 41, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 486, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 460, negative conditional: 54, negative unconditional: 406, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 321, Positive cache size: 274, Positive conditional cache size: 2, Positive unconditional cache size: 272, Negative cache size: 47, Negative conditional cache size: 20, Negative unconditional cache size: 27, Eliminated conditions: 230, SemanticConditionEliminator.Independence Queries: [ total: 486, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 480, negative conditional: 74, negative unconditional: 406, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 486, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 480, negative conditional: 74, negative unconditional: 406, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 11, positive conditional: 2, positive unconditional: 9, negative: 47, negative conditional: 20, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 165, positive: 32, positive conditional: 6, positive unconditional: 26, negative: 133, negative conditional: 41, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 486, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 460, negative conditional: 54, negative unconditional: 406, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 321, Positive cache size: 274, Positive conditional cache size: 2, Positive unconditional cache size: 272, Negative cache size: 47, Negative conditional cache size: 20, Negative unconditional cache size: 27, Eliminated conditions: 230, SemanticConditionEliminator.Independence Queries: [ total: 486, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 480, negative conditional: 74, negative unconditional: 406, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 486, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 480, negative conditional: 74, negative unconditional: 406, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 11, positive conditional: 2, positive unconditional: 9, negative: 47, negative conditional: 20, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 165, positive: 32, positive conditional: 6, positive unconditional: 26, negative: 133, negative conditional: 41, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 486, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 460, negative conditional: 54, negative unconditional: 406, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 321, Positive cache size: 274, Positive conditional cache size: 2, Positive unconditional cache size: 272, Negative cache size: 47, Negative conditional cache size: 20, Negative unconditional cache size: 27, Eliminated conditions: 230 ], Maximal queried relation: 7, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 190, Number of persistent set computation: 112, Number of trivial persistent sets: 70, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1085, positive: 958, positive conditional: 415, positive unconditional: 543, negative: 127, negative conditional: 62, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1085, positive: 958, positive conditional: 415, positive unconditional: 543, negative: 127, negative conditional: 62, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1085, positive: 952, positive conditional: 0, positive unconditional: 952, negative: 133, negative conditional: 0, negative unconditional: 133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 299, positive: 272, positive conditional: 0, positive unconditional: 272, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 299, positive: 263, positive conditional: 0, positive unconditional: 263, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 36, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 11, positive conditional: 2, positive unconditional: 9, negative: 47, negative conditional: 20, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 165, positive: 32, positive conditional: 6, positive unconditional: 26, negative: 133, negative conditional: 41, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1085, positive: 680, positive conditional: 0, positive unconditional: 680, negative: 106, negative conditional: 0, negative unconditional: 106, unknown: 299, unknown conditional: 0, unknown unconditional: 299] , Statistics on independence cache: Total cache size (in pairs): 321, Positive cache size: 274, Positive conditional cache size: 2, Positive unconditional cache size: 272, Negative cache size: 47, Negative conditional cache size: 20, Negative unconditional cache size: 27, SemanticConditionEliminator.Independence Queries: [ total: 486, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 480, negative conditional: 74, negative unconditional: 406, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 486, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 480, negative conditional: 74, negative unconditional: 406, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 11, positive conditional: 2, positive unconditional: 9, negative: 47, negative conditional: 20, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 165, positive: 32, positive conditional: 6, positive unconditional: 26, negative: 133, negative conditional: 41, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 486, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 460, negative conditional: 54, negative unconditional: 406, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 321, Positive cache size: 274, Positive conditional cache size: 2, Positive unconditional cache size: 272, Negative cache size: 47, Negative conditional cache size: 20, Negative unconditional cache size: 27, Eliminated conditions: 230, SemanticConditionEliminator.Independence Queries: [ total: 486, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 480, negative conditional: 74, negative unconditional: 406, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 486, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 480, negative conditional: 74, negative unconditional: 406, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 11, positive conditional: 2, positive unconditional: 9, negative: 47, negative conditional: 20, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 165, positive: 32, positive conditional: 6, positive unconditional: 26, negative: 133, negative conditional: 41, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 486, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 460, negative conditional: 54, negative unconditional: 406, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 321, Positive cache size: 274, Positive conditional cache size: 2, Positive unconditional cache size: 272, Negative cache size: 47, Negative conditional cache size: 20, Negative unconditional cache size: 27, Eliminated conditions: 230, SemanticConditionEliminator.Independence Queries: [ total: 486, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 480, negative conditional: 74, negative unconditional: 406, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 486, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 480, negative conditional: 74, negative unconditional: 406, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 11, positive conditional: 2, positive unconditional: 9, negative: 47, negative conditional: 20, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 165, positive: 32, positive conditional: 6, positive unconditional: 26, negative: 133, negative conditional: 41, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 486, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 460, negative conditional: 54, negative unconditional: 406, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 321, Positive cache size: 274, Positive conditional cache size: 2, Positive unconditional cache size: 272, Negative cache size: 47, Negative conditional cache size: 20, Negative unconditional cache size: 27, Eliminated conditions: 230, SemanticConditionEliminator.Independence Queries: [ total: 486, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 480, negative conditional: 74, negative unconditional: 406, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 486, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 480, negative conditional: 74, negative unconditional: 406, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 11, positive conditional: 2, positive unconditional: 9, negative: 47, negative conditional: 20, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 165, positive: 32, positive conditional: 6, positive unconditional: 26, negative: 133, negative conditional: 41, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 486, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 460, negative conditional: 54, negative unconditional: 406, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 321, Positive cache size: 274, Positive conditional cache size: 2, Positive unconditional cache size: 272, Negative cache size: 47, Negative conditional cache size: 20, Negative unconditional cache size: 27, Eliminated conditions: 230, SemanticConditionEliminator.Independence Queries: [ total: 486, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 480, negative conditional: 74, negative unconditional: 406, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 486, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 480, negative conditional: 74, negative unconditional: 406, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 11, positive conditional: 2, positive unconditional: 9, negative: 47, negative conditional: 20, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 165, positive: 32, positive conditional: 6, positive unconditional: 26, negative: 133, negative conditional: 41, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 486, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 460, negative conditional: 54, negative unconditional: 406, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 321, Positive cache size: 274, Positive conditional cache size: 2, Positive unconditional cache size: 272, Negative cache size: 47, Negative conditional cache size: 20, Negative unconditional cache size: 27, Eliminated conditions: 230, SemanticConditionEliminator.Independence Queries: [ total: 486, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 480, negative conditional: 74, negative unconditional: 406, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 486, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 480, negative conditional: 74, negative unconditional: 406, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 11, positive conditional: 2, positive unconditional: 9, negative: 47, negative conditional: 20, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 165, positive: 32, positive conditional: 6, positive unconditional: 26, negative: 133, negative conditional: 41, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 486, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 460, negative conditional: 54, negative unconditional: 406, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 321, Positive cache size: 274, Positive conditional cache size: 2, Positive unconditional cache size: 272, Negative cache size: 47, Negative conditional cache size: 20, Negative unconditional cache size: 27, Eliminated conditions: 230, SemanticConditionEliminator.Independence Queries: [ total: 486, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 480, negative conditional: 74, negative unconditional: 406, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 486, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 480, negative conditional: 74, negative unconditional: 406, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 11, positive conditional: 2, positive unconditional: 9, negative: 47, negative conditional: 20, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 165, positive: 32, positive conditional: 6, positive unconditional: 26, negative: 133, negative conditional: 41, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 486, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 460, negative conditional: 54, negative unconditional: 406, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 321, Positive cache size: 274, Positive conditional cache size: 2, Positive unconditional cache size: 272, Negative cache size: 47, Negative conditional cache size: 20, Negative unconditional cache size: 27, Eliminated conditions: 230 ], Maximal queried relation: 7, Independence queries for same thread: 0 - PositiveResult [Line: 54]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 56 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1513.3ms, OverallIterations: 7, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 24.4ms, PartialOrderReductionTime: 715.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 38, 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: 12.3ms SsaConstructionTime, 74.6ms SatisfiabilityAnalysisTime, 480.3ms InterpolantComputationTime, 189 NumberOfCodeBlocks, 189 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 182 ConstructedInterpolants, 0 QuantifiedInterpolants, 806 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...