/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-NewStatesSleep-NoLbe.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-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 03:44:24,252 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 03:44:24,254 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 03:44:24,295 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 03:44:24,374 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-NewStatesSleep-NoLbe.epf [2021-07-14 03:44:24,410 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 03:44:24,410 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 03:44:24,411 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 03:44:24,411 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 03:44:24,413 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 03:44:24,414 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 03:44:24,414 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 03:44:24,414 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 03:44:24,414 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 03:44:24,415 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 03:44:24,415 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 03:44:24,416 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 03:44:24,416 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 03:44:24,416 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 03:44:24,416 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 03:44:24,416 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 03:44:24,416 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 03:44:24,417 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 03:44:24,417 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 03:44:24,417 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 03:44:24,417 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 03:44:24,417 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 03:44:24,417 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 03:44:24,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 03:44:24,418 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 03:44:24,418 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 03:44:24,418 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 03:44:24,418 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 03:44:24,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 03:44:24,419 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 03:44:24,419 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 03:44:24,419 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 03:44:24,419 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-07-14 03:44:24,419 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 03:44:24,764 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 03:44:24,784 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 03:44:24,786 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 03:44:24,787 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 03:44:24,789 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 03:44:24,790 INFO L432 ainManager$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 [2021-07-14 03:44:24,790 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/bakery-2.wvr.bpl' [2021-07-14 03:44:24,816 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 03:44:24,818 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 03:44:24,819 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 03:44:24,819 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 03:44:24,819 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 03:44:24,830 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 14.07 03:44:24" (1/1) ... [2021-07-14 03:44:24,837 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 14.07 03:44:24" (1/1) ... [2021-07-14 03:44:24,844 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 03:44:24,847 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 03:44:24,847 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 03:44:24,847 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 03:44:24,854 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bakery-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:44:24" (1/1) ... [2021-07-14 03:44:24,854 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bakery-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:44:24" (1/1) ... [2021-07-14 03:44:24,855 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bakery-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:44:24" (1/1) ... [2021-07-14 03:44:24,856 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bakery-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:44:24" (1/1) ... [2021-07-14 03:44:24,859 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bakery-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:44:24" (1/1) ... [2021-07-14 03:44:24,861 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bakery-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:44:24" (1/1) ... [2021-07-14 03:44:24,861 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bakery-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:44:24" (1/1) ... [2021-07-14 03:44:24,866 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 03:44:24,869 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 03:44:24,869 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 03:44:24,869 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 03:44:24,870 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bakery-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:44:24" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 03:44:24,933 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 03:44:24,933 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 03:44:24,933 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 03:44:24,933 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 03:44:24,933 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 03:44:24,933 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 03:44:24,934 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 03:44:24,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 03:44:24,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 03:44:24,935 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 03:44:25,067 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 03:44:25,068 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-14 03:44:25,069 INFO L202 PluginConnector]: Adding new model bakery-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:44:25 BoogieIcfgContainer [2021-07-14 03:44:25,069 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 03:44:25,071 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 03:44:25,071 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 03:44:25,073 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 03:44:25,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bakery-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:44:24" (1/2) ... [2021-07-14 03:44:25,074 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72611c27 and model type bakery-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 03:44:25, skipping insertion in model container [2021-07-14 03:44:25,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bakery-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:44:25" (2/2) ... [2021-07-14 03:44:25,076 INFO L111 eAbstractionObserver]: Analyzing ICFG bakery-2.wvr.bpl [2021-07-14 03:44:25,080 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 03:44:25,081 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 03:44:25,081 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 03:44:25,081 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 03:44:25,109 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-14 03:44:25,130 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 03:44:25,201 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 03:44:25,203 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 03:44:25,203 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 03:44:25,203 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 03:44:25,203 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 03:44:25,207 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 03:44:25,208 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 03:44:25,208 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 03:44:25,297 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:44:25,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:44:25,305 INFO L82 PathProgramCache]: Analyzing trace with hash 1828392468, now seen corresponding path program 1 times [2021-07-14 03:44:25,314 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:44:25,314 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764688264] [2021-07-14 03:44:25,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:44:25,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:44:25,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:44:25,637 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:44:25,638 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764688264] [2021-07-14 03:44:25,638 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764688264] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 03:44:25,638 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 03:44:25,638 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-14 03:44:25,639 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247738005] [2021-07-14 03:44:25,642 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 03:44:25,642 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:44:25,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 03:44:25,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-07-14 03:44:25,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:44:25,655 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:44:25,668 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) [2021-07-14 03:44:25,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:44:25,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:44:25,878 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 03:44:25,879 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:44:25,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:44:25,882 INFO L82 PathProgramCache]: Analyzing trace with hash -987980226, now seen corresponding path program 2 times [2021-07-14 03:44:25,882 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:44:25,882 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582527300] [2021-07-14 03:44:25,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:44:25,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:44:26,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:44:26,007 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:44:26,008 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582527300] [2021-07-14 03:44:26,008 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582527300] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 03:44:26,008 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 03:44:26,008 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-14 03:44:26,008 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004894553] [2021-07-14 03:44:26,010 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-14 03:44:26,010 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:44:26,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-14 03:44:26,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-07-14 03:44:26,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:44:26,013 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:44:26,013 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) [2021-07-14 03:44:26,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:44:26,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:44:26,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:44:26,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:44:26,143 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 03:44:26,143 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:44:26,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:44:26,143 INFO L82 PathProgramCache]: Analyzing trace with hash 1865105248, now seen corresponding path program 3 times [2021-07-14 03:44:26,144 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:44:26,144 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353159835] [2021-07-14 03:44:26,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:44:26,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:44:26,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:44:26,176 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:44:26,177 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353159835] [2021-07-14 03:44:26,177 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353159835] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 03:44:26,177 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 03:44:26,177 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 03:44:26,177 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471119623] [2021-07-14 03:44:26,178 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 03:44:26,178 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:44:26,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 03:44:26,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 03:44:26,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:44:26,181 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:44:26,181 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) [2021-07-14 03:44:26,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:44:26,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:44:26,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:44:26,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:44:26,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:44:26,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:44:26,218 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-14 03:44:26,219 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:44:26,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:44:26,219 INFO L82 PathProgramCache]: Analyzing trace with hash -1277879934, now seen corresponding path program 4 times [2021-07-14 03:44:26,220 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:44:26,220 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920149368] [2021-07-14 03:44:26,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:44:26,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:44:26,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:44:26,317 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:44:26,317 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920149368] [2021-07-14 03:44:26,318 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920149368] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 03:44:26,318 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 03:44:26,318 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-14 03:44:26,318 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636366293] [2021-07-14 03:44:26,319 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-14 03:44:26,319 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:44:26,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-14 03:44:26,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-07-14 03:44:26,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:44:26,320 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:44:26,320 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) [2021-07-14 03:44:26,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:44:26,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:44:26,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:44:26,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:44:26,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:44:26,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:44:26,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:44:26,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:44:26,378 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-14 03:44:26,378 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:44:26,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:44:26,379 INFO L82 PathProgramCache]: Analyzing trace with hash 282500260, now seen corresponding path program 5 times [2021-07-14 03:44:26,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:44:26,379 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671424016] [2021-07-14 03:44:26,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:44:26,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:44:26,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:44:26,394 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:44:26,394 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671424016] [2021-07-14 03:44:26,394 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671424016] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 03:44:26,394 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 03:44:26,394 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 03:44:26,395 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034645192] [2021-07-14 03:44:26,395 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 03:44:26,395 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:44:26,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 03:44:26,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 03:44:26,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:44:26,396 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:44:26,396 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) [2021-07-14 03:44:26,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:44:26,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:44:26,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:44:26,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:44:26,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:44:26,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:44:26,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:44:26,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:44:26,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:44:26,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:44:26,421 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-07-14 03:44:26,421 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:44:26,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:44:26,423 INFO L82 PathProgramCache]: Analyzing trace with hash 1145373108, now seen corresponding path program 6 times [2021-07-14 03:44:26,423 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:44:26,423 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506598149] [2021-07-14 03:44:26,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:44:26,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:44:26,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:44:26,503 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:44:26,503 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506598149] [2021-07-14 03:44:26,504 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506598149] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 03:44:26,504 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 03:44:26,504 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-14 03:44:26,504 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146991494] [2021-07-14 03:44:26,504 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-14 03:44:26,505 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:44:26,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-14 03:44:26,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-07-14 03:44:26,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:44:26,506 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:44:26,506 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) [2021-07-14 03:44:26,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:44:26,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:44:26,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:44:26,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:44:26,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:44:26,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:44:26,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:44:26,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:44:26,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:44:26,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:44:26,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:44:26,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:44:26,562 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-07-14 03:44:26,563 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:44:26,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:44:26,563 INFO L82 PathProgramCache]: Analyzing trace with hash -1482111752, now seen corresponding path program 7 times [2021-07-14 03:44:26,563 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:44:26,564 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717893954] [2021-07-14 03:44:26,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:44:26,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:44:26,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:44:26,640 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:44:26,640 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717893954] [2021-07-14 03:44:26,640 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717893954] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 03:44:26,641 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 03:44:26,641 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-14 03:44:26,641 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357684636] [2021-07-14 03:44:26,641 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 03:44:26,641 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:44:26,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 03:44:26,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-07-14 03:44:26,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:44:26,642 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:44:26,642 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) [2021-07-14 03:44:26,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:44:26,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:44:26,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:44:26,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:44:26,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:44:26,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:44:26,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:44:26,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:44:26,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:44:26,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:44:26,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:44:26,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:44:26,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:44:26,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:44:26,742 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-07-14 03:44:26,750 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-14 03:44:26,752 INFO L202 PluginConnector]: Adding new model bakery-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.07 03:44:26 BasicIcfg [2021-07-14 03:44:26,752 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-14 03:44:26,753 INFO L168 Benchmark]: Toolchain (without parser) took 1934.50 ms. Allocated memory is still 189.8 MB. Free memory was 169.2 MB in the beginning and 146.8 MB in the end (delta: 22.3 MB). Peak memory consumption was 23.9 MB. Max. memory is 8.0 GB. [2021-07-14 03:44:26,753 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 189.8 MB. Free memory was 170.3 MB in the beginning and 170.2 MB in the end (delta: 75.9 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 03:44:26,753 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.59 ms. Allocated memory is still 189.8 MB. Free memory was 169.1 MB in the beginning and 167.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 03:44:26,754 INFO L168 Benchmark]: Boogie Preprocessor took 20.49 ms. Allocated memory is still 189.8 MB. Free memory was 167.6 MB in the beginning and 166.7 MB in the end (delta: 953.3 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 03:44:26,754 INFO L168 Benchmark]: RCFGBuilder took 200.79 ms. Allocated memory is still 189.8 MB. Free memory was 166.7 MB in the beginning and 155.4 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-07-14 03:44:26,754 INFO L168 Benchmark]: TraceAbstraction took 1681.09 ms. Allocated memory is still 189.8 MB. Free memory was 154.9 MB in the beginning and 146.8 MB in the end (delta: 8.1 MB). Peak memory consumption was 9.2 MB. Max. memory is 8.0 GB. [2021-07-14 03:44:26,755 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 0.15 ms. Allocated memory is still 189.8 MB. Free memory was 170.3 MB in the beginning and 170.2 MB in the end (delta: 75.9 kB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 26.59 ms. Allocated memory is still 189.8 MB. Free memory was 169.1 MB in the beginning and 167.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 20.49 ms. Allocated memory is still 189.8 MB. Free memory was 167.6 MB in the beginning and 166.7 MB in the end (delta: 953.3 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 200.79 ms. Allocated memory is still 189.8 MB. Free memory was 166.7 MB in the beginning and 155.4 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1681.09 ms. Allocated memory is still 189.8 MB. Free memory was 154.9 MB in the beginning and 146.8 MB in the end (delta: 8.1 MB). Peak memory consumption was 9.2 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: 730, positive: 677, positive conditional: 677, positive unconditional: 0, negative: 53, negative conditional: 53, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 730, positive: 677, positive conditional: 677, positive unconditional: 0, negative: 53, negative conditional: 53, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 730, positive: 670, positive conditional: 0, positive unconditional: 670, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 117, positive: 104, positive conditional: 0, positive unconditional: 104, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 117, positive: 100, positive conditional: 0, positive unconditional: 100, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 6, positive conditional: 2, positive unconditional: 4, negative: 30, negative conditional: 17, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 124, positive: 54, positive conditional: 3, positive unconditional: 51, negative: 70, negative conditional: 36, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 730, positive: 566, positive conditional: 0, positive unconditional: 566, negative: 47, negative conditional: 0, negative unconditional: 47, unknown: 117, unknown conditional: 0, unknown unconditional: 117] , Statistics on independence cache: Total cache size (in pairs): 136, Positive cache size: 106, Positive conditional cache size: 2, Positive unconditional cache size: 104, Negative cache size: 30, Negative conditional cache size: 17, Negative unconditional cache size: 13, SemanticConditionEliminator.Independence Queries: [ total: 258, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 251, negative conditional: 68, negative unconditional: 183, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 258, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 251, negative conditional: 68, negative unconditional: 183, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 6, positive conditional: 2, positive unconditional: 4, negative: 30, negative conditional: 17, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 124, positive: 54, positive conditional: 3, positive unconditional: 51, negative: 70, negative conditional: 36, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 258, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 234, negative conditional: 51, negative unconditional: 183, unknown: 19, unknown conditional: 19, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 136, Positive cache size: 106, Positive conditional cache size: 2, Positive unconditional cache size: 104, Negative cache size: 30, Negative conditional cache size: 17, Negative unconditional cache size: 13, Eliminated conditions: 183, SemanticConditionEliminator.Independence Queries: [ total: 258, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 251, negative conditional: 68, negative unconditional: 183, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 258, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 251, negative conditional: 68, negative unconditional: 183, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 6, positive conditional: 2, positive unconditional: 4, negative: 30, negative conditional: 17, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 124, positive: 54, positive conditional: 3, positive unconditional: 51, negative: 70, negative conditional: 36, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 258, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 234, negative conditional: 51, negative unconditional: 183, unknown: 19, unknown conditional: 19, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 136, Positive cache size: 106, Positive conditional cache size: 2, Positive unconditional cache size: 104, Negative cache size: 30, Negative conditional cache size: 17, Negative unconditional cache size: 13, Eliminated conditions: 183, SemanticConditionEliminator.Independence Queries: [ total: 258, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 251, negative conditional: 68, negative unconditional: 183, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 258, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 251, negative conditional: 68, negative unconditional: 183, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 6, positive conditional: 2, positive unconditional: 4, negative: 30, negative conditional: 17, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 124, positive: 54, positive conditional: 3, positive unconditional: 51, negative: 70, negative conditional: 36, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 258, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 234, negative conditional: 51, negative unconditional: 183, unknown: 19, unknown conditional: 19, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 136, Positive cache size: 106, Positive conditional cache size: 2, Positive unconditional cache size: 104, Negative cache size: 30, Negative conditional cache size: 17, Negative unconditional cache size: 13, Eliminated conditions: 183, SemanticConditionEliminator.Independence Queries: [ total: 258, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 251, negative conditional: 68, negative unconditional: 183, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 258, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 251, negative conditional: 68, negative unconditional: 183, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 6, positive conditional: 2, positive unconditional: 4, negative: 30, negative conditional: 17, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 124, positive: 54, positive conditional: 3, positive unconditional: 51, negative: 70, negative conditional: 36, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 258, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 234, negative conditional: 51, negative unconditional: 183, unknown: 19, unknown conditional: 19, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 136, Positive cache size: 106, Positive conditional cache size: 2, Positive unconditional cache size: 104, Negative cache size: 30, Negative conditional cache size: 17, Negative unconditional cache size: 13, Eliminated conditions: 183, SemanticConditionEliminator.Independence Queries: [ total: 258, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 251, negative conditional: 68, negative unconditional: 183, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 258, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 251, negative conditional: 68, negative unconditional: 183, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 6, positive conditional: 2, positive unconditional: 4, negative: 30, negative conditional: 17, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 124, positive: 54, positive conditional: 3, positive unconditional: 51, negative: 70, negative conditional: 36, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 258, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 234, negative conditional: 51, negative unconditional: 183, unknown: 19, unknown conditional: 19, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 136, Positive cache size: 106, Positive conditional cache size: 2, Positive unconditional cache size: 104, Negative cache size: 30, Negative conditional cache size: 17, Negative unconditional cache size: 13, Eliminated conditions: 183, SemanticConditionEliminator.Independence Queries: [ total: 258, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 251, negative conditional: 68, negative unconditional: 183, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 258, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 251, negative conditional: 68, negative unconditional: 183, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 6, positive conditional: 2, positive unconditional: 4, negative: 30, negative conditional: 17, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 124, positive: 54, positive conditional: 3, positive unconditional: 51, negative: 70, negative conditional: 36, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 258, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 234, negative conditional: 51, negative unconditional: 183, unknown: 19, unknown conditional: 19, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 136, Positive cache size: 106, Positive conditional cache size: 2, Positive unconditional cache size: 104, Negative cache size: 30, Negative conditional cache size: 17, Negative unconditional cache size: 13, Eliminated conditions: 183, SemanticConditionEliminator.Independence Queries: [ total: 258, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 251, negative conditional: 68, negative unconditional: 183, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 258, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 251, negative conditional: 68, negative unconditional: 183, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 6, positive conditional: 2, positive unconditional: 4, negative: 30, negative conditional: 17, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 124, positive: 54, positive conditional: 3, positive unconditional: 51, negative: 70, negative conditional: 36, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 258, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 234, negative conditional: 51, negative unconditional: 183, unknown: 19, unknown conditional: 19, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 136, Positive cache size: 106, Positive conditional cache size: 2, Positive unconditional cache size: 104, Negative cache size: 30, Negative conditional cache size: 17, Negative unconditional cache size: 13, Eliminated conditions: 183 ], 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: 1596.6ms, OverallIterations: 7, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 17.4ms, PartialOrderReductionTime: 683.5ms, 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: 25.1ms SsaConstructionTime, 103.1ms SatisfiabilityAnalysisTime, 543.8ms InterpolantComputationTime, 189 NumberOfCodeBlocks, 189 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 182 ConstructedInterpolants, 0 QuantifiedInterpolants, 827 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...