/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-MCR.epf -i ../../../trunk/examples/concurrent/bpl/mcr/example_9.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-abd8500 [2020-01-16 20:50:47,092 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-01-16 20:50:47,095 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-01-16 20:50:47,114 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-01-16 20:50:47,115 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-01-16 20:50:47,117 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-01-16 20:50:47,119 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-01-16 20:50:47,132 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-01-16 20:50:47,134 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-01-16 20:50:47,135 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-01-16 20:50:47,138 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-01-16 20:50:47,140 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-01-16 20:50:47,140 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-01-16 20:50:47,144 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-01-16 20:50:47,147 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-01-16 20:50:47,148 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-01-16 20:50:47,150 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-01-16 20:50:47,153 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-01-16 20:50:47,154 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-01-16 20:50:47,160 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-01-16 20:50:47,164 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-01-16 20:50:47,165 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-01-16 20:50:47,167 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-01-16 20:50:47,168 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-01-16 20:50:47,172 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-01-16 20:50:47,186 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-01-16 20:50:47,189 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-01-16 20:50:47,191 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-01-16 20:50:47,191 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-FA-NoLbe-MCR.epf [2020-01-16 20:50:47,210 INFO L113 SettingsManager]: Loading preferences was successful [2020-01-16 20:50:47,210 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-01-16 20:50:47,212 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-01-16 20:50:47,212 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-01-16 20:50:47,212 INFO L138 SettingsManager]: * Use SBE=true [2020-01-16 20:50:47,213 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-01-16 20:50:47,213 INFO L138 SettingsManager]: * sizeof long=4 [2020-01-16 20:50:47,213 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-01-16 20:50:47,213 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-01-16 20:50:47,213 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-01-16 20:50:47,214 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-01-16 20:50:47,215 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-01-16 20:50:47,215 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-01-16 20:50:47,215 INFO L138 SettingsManager]: * sizeof long double=12 [2020-01-16 20:50:47,216 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-01-16 20:50:47,216 INFO L138 SettingsManager]: * Use constant arrays=true [2020-01-16 20:50:47,216 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-01-16 20:50:47,216 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-01-16 20:50:47,216 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-01-16 20:50:47,217 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-01-16 20:50:47,217 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-01-16 20:50:47,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-01-16 20:50:47,217 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-01-16 20:50:47,218 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-01-16 20:50:47,218 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-01-16 20:50:47,218 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-01-16 20:50:47,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-01-16 20:50:47,218 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-01-16 20:50:47,219 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-01-16 20:50:47,219 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-01-16 20:50:47,220 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-01-16 20:50:47,220 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-01-16 20:50:47,530 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-01-16 20:50:47,543 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-01-16 20:50:47,546 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-01-16 20:50:47,548 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-01-16 20:50:47,548 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-01-16 20:50:47,549 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_9.bpl [2020-01-16 20:50:47,549 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_9.bpl' [2020-01-16 20:50:47,581 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-01-16 20:50:47,583 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-01-16 20:50:47,584 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-01-16 20:50:47,584 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-01-16 20:50:47,584 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-01-16 20:50:47,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.01 08:50:47" (1/1) ... [2020-01-16 20:50:47,611 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.01 08:50:47" (1/1) ... [2020-01-16 20:50:47,620 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-01-16 20:50:47,621 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-01-16 20:50:47,621 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-01-16 20:50:47,621 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-01-16 20:50:47,632 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.01 08:50:47" (1/1) ... [2020-01-16 20:50:47,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.01 08:50:47" (1/1) ... [2020-01-16 20:50:47,633 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.01 08:50:47" (1/1) ... [2020-01-16 20:50:47,633 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.01 08:50:47" (1/1) ... [2020-01-16 20:50:47,637 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.01 08:50:47" (1/1) ... [2020-01-16 20:50:47,639 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.01 08:50:47" (1/1) ... [2020-01-16 20:50:47,640 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.01 08:50:47" (1/1) ... [2020-01-16 20:50:47,641 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-01-16 20:50:47,642 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-01-16 20:50:47,642 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-01-16 20:50:47,642 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-01-16 20:50:47,643 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.01 08:50:47" (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 [2020-01-16 20:50:47,715 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_1 given in one single declaration [2020-01-16 20:50:47,715 INFO L130 BoogieDeclarations]: Found specification of procedure set_1 [2020-01-16 20:50:47,715 INFO L138 BoogieDeclarations]: Found implementation of procedure set_1 [2020-01-16 20:50:47,715 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_2 given in one single declaration [2020-01-16 20:50:47,716 INFO L130 BoogieDeclarations]: Found specification of procedure set_2 [2020-01-16 20:50:47,716 INFO L138 BoogieDeclarations]: Found implementation of procedure set_2 [2020-01-16 20:50:47,716 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_3 given in one single declaration [2020-01-16 20:50:47,716 INFO L130 BoogieDeclarations]: Found specification of procedure set_3 [2020-01-16 20:50:47,716 INFO L138 BoogieDeclarations]: Found implementation of procedure set_3 [2020-01-16 20:50:47,717 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_4 given in one single declaration [2020-01-16 20:50:47,717 INFO L130 BoogieDeclarations]: Found specification of procedure set_4 [2020-01-16 20:50:47,717 INFO L138 BoogieDeclarations]: Found implementation of procedure set_4 [2020-01-16 20:50:47,717 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_0 given in one single declaration [2020-01-16 20:50:47,717 INFO L130 BoogieDeclarations]: Found specification of procedure set_0 [2020-01-16 20:50:47,718 INFO L138 BoogieDeclarations]: Found implementation of procedure set_0 [2020-01-16 20:50:47,718 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-01-16 20:50:47,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-01-16 20:50:47,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-01-16 20:50:47,719 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_5 given in one single declaration [2020-01-16 20:50:47,719 INFO L130 BoogieDeclarations]: Found specification of procedure set_5 [2020-01-16 20:50:47,719 INFO L138 BoogieDeclarations]: Found implementation of procedure set_5 [2020-01-16 20:50:47,719 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_6 given in one single declaration [2020-01-16 20:50:47,719 INFO L130 BoogieDeclarations]: Found specification of procedure set_6 [2020-01-16 20:50:47,720 INFO L138 BoogieDeclarations]: Found implementation of procedure set_6 [2020-01-16 20:50:47,720 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_7 given in one single declaration [2020-01-16 20:50:47,720 INFO L130 BoogieDeclarations]: Found specification of procedure set_7 [2020-01-16 20:50:47,720 INFO L138 BoogieDeclarations]: Found implementation of procedure set_7 [2020-01-16 20:50:47,720 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_8 given in one single declaration [2020-01-16 20:50:47,721 INFO L130 BoogieDeclarations]: Found specification of procedure set_8 [2020-01-16 20:50:47,721 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8 [2020-01-16 20:50:47,722 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-01-16 20:50:48,017 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-01-16 20:50:48,017 INFO L287 CfgBuilder]: Removed 0 assume(true) statements. [2020-01-16 20:50:48,019 INFO L202 PluginConnector]: Adding new model example_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.01 08:50:48 BoogieIcfgContainer [2020-01-16 20:50:48,019 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-01-16 20:50:48,020 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-01-16 20:50:48,020 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-01-16 20:50:48,023 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-01-16 20:50:48,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.01 08:50:47" (1/2) ... [2020-01-16 20:50:48,025 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a647ff7 and model type example_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.01 08:50:48, skipping insertion in model container [2020-01-16 20:50:48,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.01 08:50:48" (2/2) ... [2020-01-16 20:50:48,027 INFO L109 eAbstractionObserver]: Analyzing ICFG example_9.bpl [2020-01-16 20:50:48,037 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-01-16 20:50:48,037 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-01-16 20:50:48,045 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-01-16 20:50:48,045 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-01-16 20:50:48,229 INFO L250 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2020-01-16 20:50:48,250 INFO L374 AbstractCegarLoop]: Interprodecural is true [2020-01-16 20:50:48,250 INFO L375 AbstractCegarLoop]: Hoare is true [2020-01-16 20:50:48,250 INFO L376 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-01-16 20:50:48,250 INFO L377 AbstractCegarLoop]: Backedges is MCR [2020-01-16 20:50:48,251 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-01-16 20:50:48,251 INFO L379 AbstractCegarLoop]: Difference is false [2020-01-16 20:50:48,251 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-01-16 20:50:48,251 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-01-16 20:50:48,264 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 76 places, 120 transitions [2020-01-16 20:53:36,649 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 271988 states. [2020-01-16 20:53:36,651 INFO L276 IsEmpty]: Start isEmpty. Operand 271988 states. [2020-01-16 20:53:37,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-01-16 20:53:37,567 INFO L407 BasicCegarLoop]: Found error trace [2020-01-16 20:53:37,568 INFO L415 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-01-16 20:53:37,569 INFO L426 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2020-01-16 20:53:37,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-01-16 20:53:37,577 INFO L82 PathProgramCache]: Analyzing trace with hash 976744769, now seen corresponding path program 1 times [2020-01-16 20:53:37,587 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-01-16 20:53:37,587 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922575372] [2020-01-16 20:53:37,588 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-01-16 20:53:37,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-01-16 20:53:38,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-01-16 20:53:38,555 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922575372] [2020-01-16 20:53:38,556 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-01-16 20:53:38,557 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-01-16 20:53:38,559 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [489185256] [2020-01-16 20:53:38,560 INFO L124 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2020-01-16 20:53:38,569 INFO L189 pAbStrategyModuleMcr]: Started intersection. [2020-01-16 20:53:50,408 INFO L200 pAbStrategyModuleMcr]: Finished intersection with 39366 states and 236197 transitions. [2020-01-16 20:53:50,409 INFO L211 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2020-01-16 20:53:50,681 INFO L284 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 8 times. [2020-01-16 20:53:50,682 INFO L458 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-01-16 20:53:50,682 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-01-16 20:53:50,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-01-16 20:53:50,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-01-16 20:53:50,700 INFO L87 Difference]: Start difference. First operand 271988 states. Second operand 3 states. [2020-01-16 20:53:53,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-01-16 20:53:53,929 INFO L93 Difference]: Finished difference Result 247931 states and 1629507 transitions. [2020-01-16 20:53:53,929 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-01-16 20:53:53,930 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2020-01-16 20:53:53,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-01-16 20:53:55,314 INFO L225 Difference]: With dead ends: 247931 [2020-01-16 20:53:55,315 INFO L226 Difference]: Without dead ends: 247929 [2020-01-16 20:53:55,317 INFO L633 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-01-16 20:54:38,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247929 states. [2020-01-16 20:54:44,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247929 to 247929. [2020-01-16 20:54:44,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247929 states. [2020-01-16 20:55:03,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247929 states to 247929 states and 1629505 transitions. [2020-01-16 20:55:03,936 INFO L78 Accepts]: Start accepts. Automaton has 247929 states and 1629505 transitions. Word has length 37 [2020-01-16 20:55:03,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-01-16 20:55:03,937 INFO L478 AbstractCegarLoop]: Abstraction has 247929 states and 1629505 transitions. [2020-01-16 20:55:03,937 INFO L479 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-01-16 20:55:03,937 INFO L276 IsEmpty]: Start isEmpty. Operand 247929 states and 1629505 transitions. [2020-01-16 20:55:04,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-01-16 20:55:04,759 INFO L407 BasicCegarLoop]: Found error trace [2020-01-16 20:55:04,759 INFO L415 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-01-16 20:55:04,760 INFO L426 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2020-01-16 20:55:04,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-01-16 20:55:04,760 INFO L82 PathProgramCache]: Analyzing trace with hash -1934577857, now seen corresponding path program 1 times [2020-01-16 20:55:04,761 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-01-16 20:55:04,761 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67542493] [2020-01-16 20:55:04,761 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-01-16 20:55:04,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-01-16 20:55:04,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-01-16 20:55:04,814 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67542493] [2020-01-16 20:55:04,814 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-01-16 20:55:04,815 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-01-16 20:55:04,815 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [111574265] [2020-01-16 20:55:04,815 INFO L124 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2020-01-16 20:55:04,819 INFO L189 pAbStrategyModuleMcr]: Started intersection. [2020-01-16 20:55:17,427 INFO L200 pAbStrategyModuleMcr]: Finished intersection with 39366 states and 236197 transitions. [2020-01-16 20:55:17,427 INFO L211 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2020-01-16 20:55:17,836 INFO L284 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 10 times. [2020-01-16 20:55:17,838 INFO L458 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-01-16 20:55:17,839 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-01-16 20:55:17,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-01-16 20:55:17,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-01-16 20:55:17,840 INFO L87 Difference]: Start difference. First operand 247929 states and 1629505 transitions. Second operand 3 states. [2020-01-16 20:55:20,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-01-16 20:55:20,147 INFO L93 Difference]: Finished difference Result 205647 states and 1312390 transitions. [2020-01-16 20:55:20,148 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-01-16 20:55:20,148 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2020-01-16 20:55:20,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-01-16 20:55:29,547 INFO L225 Difference]: With dead ends: 205647 [2020-01-16 20:55:29,548 INFO L226 Difference]: Without dead ends: 205647 [2020-01-16 20:55:29,549 INFO L633 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-01-16 20:55:44,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205647 states. [2020-01-16 20:55:50,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205647 to 205647. [2020-01-16 20:55:50,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205647 states. [2020-01-16 20:55:51,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205647 states to 205647 states and 1312390 transitions. [2020-01-16 20:55:51,040 INFO L78 Accepts]: Start accepts. Automaton has 205647 states and 1312390 transitions. Word has length 37 [2020-01-16 20:55:51,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-01-16 20:55:51,040 INFO L478 AbstractCegarLoop]: Abstraction has 205647 states and 1312390 transitions. [2020-01-16 20:55:51,040 INFO L479 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-01-16 20:55:51,040 INFO L276 IsEmpty]: Start isEmpty. Operand 205647 states and 1312390 transitions. [2020-01-16 20:56:00,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-01-16 20:56:00,196 INFO L407 BasicCegarLoop]: Found error trace [2020-01-16 20:56:00,196 INFO L415 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-01-16 20:56:00,196 INFO L426 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2020-01-16 20:56:00,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-01-16 20:56:00,197 INFO L82 PathProgramCache]: Analyzing trace with hash 872555395, now seen corresponding path program 1 times [2020-01-16 20:56:00,197 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-01-16 20:56:00,197 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400046258] [2020-01-16 20:56:00,198 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-01-16 20:56:00,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-01-16 20:56:00,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-01-16 20:56:00,238 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400046258] [2020-01-16 20:56:00,239 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-01-16 20:56:00,239 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-01-16 20:56:00,239 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1219083119] [2020-01-16 20:56:00,239 INFO L124 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2020-01-16 20:56:00,242 INFO L189 pAbStrategyModuleMcr]: Started intersection. [2020-01-16 20:56:06,107 INFO L200 pAbStrategyModuleMcr]: Finished intersection with 39366 states and 236197 transitions. [2020-01-16 20:56:06,107 INFO L211 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2020-01-16 20:56:12,375 INFO L284 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 16 times. [2020-01-16 20:56:12,376 INFO L458 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-01-16 20:56:12,376 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-01-16 20:56:12,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-01-16 20:56:12,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-01-16 20:56:12,377 INFO L87 Difference]: Start difference. First operand 205647 states and 1312390 transitions. Second operand 3 states. [2020-01-16 20:56:14,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-01-16 20:56:14,452 INFO L93 Difference]: Finished difference Result 151377 states and 949429 transitions. [2020-01-16 20:56:14,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-01-16 20:56:14,452 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2020-01-16 20:56:14,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-01-16 20:56:15,017 INFO L225 Difference]: With dead ends: 151377 [2020-01-16 20:56:15,017 INFO L226 Difference]: Without dead ends: 151377 [2020-01-16 20:56:15,017 INFO L633 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-01-16 20:56:33,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151377 states. [2020-01-16 20:56:36,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151377 to 151377. [2020-01-16 20:56:36,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151377 states. [2020-01-16 20:56:38,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151377 states to 151377 states and 949429 transitions. [2020-01-16 20:56:38,524 INFO L78 Accepts]: Start accepts. Automaton has 151377 states and 949429 transitions. Word has length 37 [2020-01-16 20:56:38,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-01-16 20:56:38,524 INFO L478 AbstractCegarLoop]: Abstraction has 151377 states and 949429 transitions. [2020-01-16 20:56:38,524 INFO L479 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-01-16 20:56:38,524 INFO L276 IsEmpty]: Start isEmpty. Operand 151377 states and 949429 transitions. [2020-01-16 20:56:38,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-01-16 20:56:38,913 INFO L407 BasicCegarLoop]: Found error trace [2020-01-16 20:56:38,913 INFO L415 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-01-16 20:56:38,914 INFO L426 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2020-01-16 20:56:38,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-01-16 20:56:38,914 INFO L82 PathProgramCache]: Analyzing trace with hash 1498213033, now seen corresponding path program 1 times [2020-01-16 20:56:38,915 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-01-16 20:56:38,915 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529198626] [2020-01-16 20:56:38,915 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-01-16 20:56:38,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-01-16 20:56:38,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-01-16 20:56:38,947 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529198626] [2020-01-16 20:56:38,947 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-01-16 20:56:38,947 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-01-16 20:56:38,947 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [146311894] [2020-01-16 20:56:38,947 INFO L124 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2020-01-16 20:56:38,950 INFO L189 pAbStrategyModuleMcr]: Started intersection. [2020-01-16 20:56:52,506 INFO L200 pAbStrategyModuleMcr]: Finished intersection with 39366 states and 236197 transitions. [2020-01-16 20:56:52,506 INFO L211 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2020-01-16 20:56:52,612 INFO L284 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 14 times. [2020-01-16 20:56:52,613 INFO L458 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-01-16 20:56:52,613 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-01-16 20:56:52,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-01-16 20:56:52,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-01-16 20:56:52,614 INFO L87 Difference]: Start difference. First operand 151377 states and 949429 transitions. Second operand 3 states. [2020-01-16 20:56:54,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-01-16 20:56:54,002 INFO L93 Difference]: Finished difference Result 114441 states and 702946 transitions. [2020-01-16 20:56:54,002 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-01-16 20:56:54,002 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2020-01-16 20:56:54,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-01-16 20:56:54,410 INFO L225 Difference]: With dead ends: 114441 [2020-01-16 20:56:54,410 INFO L226 Difference]: Without dead ends: 114441 [2020-01-16 20:56:54,410 INFO L633 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-01-16 20:57:05,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114441 states. [2020-01-16 20:57:07,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114441 to 114441. [2020-01-16 20:57:07,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114441 states. [2020-01-16 20:57:08,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114441 states to 114441 states and 702946 transitions. [2020-01-16 20:57:08,086 INFO L78 Accepts]: Start accepts. Automaton has 114441 states and 702946 transitions. Word has length 37 [2020-01-16 20:57:08,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-01-16 20:57:08,086 INFO L478 AbstractCegarLoop]: Abstraction has 114441 states and 702946 transitions. [2020-01-16 20:57:08,086 INFO L479 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-01-16 20:57:08,086 INFO L276 IsEmpty]: Start isEmpty. Operand 114441 states and 702946 transitions. [2020-01-16 20:57:09,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-01-16 20:57:09,530 INFO L407 BasicCegarLoop]: Found error trace [2020-01-16 20:57:09,530 INFO L415 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-01-16 20:57:09,530 INFO L426 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2020-01-16 20:57:09,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-01-16 20:57:09,531 INFO L82 PathProgramCache]: Analyzing trace with hash 1104538037, now seen corresponding path program 1 times [2020-01-16 20:57:09,531 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-01-16 20:57:09,531 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821595251] [2020-01-16 20:57:09,531 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-01-16 20:57:09,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-01-16 20:57:09,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-01-16 20:57:09,568 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821595251] [2020-01-16 20:57:09,568 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-01-16 20:57:09,568 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-01-16 20:57:09,568 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1065748335] [2020-01-16 20:57:09,568 INFO L124 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2020-01-16 20:57:09,572 INFO L189 pAbStrategyModuleMcr]: Started intersection. [2020-01-16 20:57:21,874 INFO L200 pAbStrategyModuleMcr]: Finished intersection with 39366 states and 236197 transitions. [2020-01-16 20:57:21,874 INFO L211 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2020-01-16 20:57:21,979 INFO L284 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 16 times. [2020-01-16 20:57:21,979 INFO L458 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-01-16 20:57:21,979 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-01-16 20:57:21,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-01-16 20:57:21,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-01-16 20:57:21,980 INFO L87 Difference]: Start difference. First operand 114441 states and 702946 transitions. Second operand 3 states. [2020-01-16 20:57:22,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-01-16 20:57:22,971 INFO L93 Difference]: Finished difference Result 82635 states and 505387 transitions. [2020-01-16 20:57:22,971 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-01-16 20:57:22,971 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2020-01-16 20:57:22,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-01-16 20:57:23,242 INFO L225 Difference]: With dead ends: 82635 [2020-01-16 20:57:23,243 INFO L226 Difference]: Without dead ends: 82635 [2020-01-16 20:57:23,243 INFO L633 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-01-16 20:57:32,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82635 states. [2020-01-16 20:57:34,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82635 to 82635. [2020-01-16 20:57:34,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82635 states. [2020-01-16 20:57:34,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82635 states to 82635 states and 505387 transitions. [2020-01-16 20:57:34,355 INFO L78 Accepts]: Start accepts. Automaton has 82635 states and 505387 transitions. Word has length 37 [2020-01-16 20:57:34,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-01-16 20:57:34,355 INFO L478 AbstractCegarLoop]: Abstraction has 82635 states and 505387 transitions. [2020-01-16 20:57:34,355 INFO L479 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-01-16 20:57:34,355 INFO L276 IsEmpty]: Start isEmpty. Operand 82635 states and 505387 transitions. [2020-01-16 20:57:34,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-01-16 20:57:34,533 INFO L407 BasicCegarLoop]: Found error trace [2020-01-16 20:57:34,533 INFO L415 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-01-16 20:57:34,533 INFO L426 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2020-01-16 20:57:34,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-01-16 20:57:34,533 INFO L82 PathProgramCache]: Analyzing trace with hash 1719166793, now seen corresponding path program 1 times [2020-01-16 20:57:34,534 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-01-16 20:57:34,534 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473014635] [2020-01-16 20:57:34,534 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-01-16 20:57:34,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-01-16 20:57:34,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-01-16 20:57:34,563 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473014635] [2020-01-16 20:57:34,564 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-01-16 20:57:34,564 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-01-16 20:57:34,564 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1801073132] [2020-01-16 20:57:34,564 INFO L124 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2020-01-16 20:57:34,567 INFO L189 pAbStrategyModuleMcr]: Started intersection. [2020-01-16 20:57:46,350 INFO L200 pAbStrategyModuleMcr]: Finished intersection with 39366 states and 236197 transitions. [2020-01-16 20:57:46,350 INFO L211 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2020-01-16 20:57:46,464 INFO L284 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 18 times. [2020-01-16 20:57:46,464 INFO L458 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-01-16 20:57:46,465 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-01-16 20:57:46,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-01-16 20:57:46,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-01-16 20:57:46,465 INFO L87 Difference]: Start difference. First operand 82635 states and 505387 transitions. Second operand 3 states. [2020-01-16 20:57:47,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-01-16 20:57:47,299 INFO L93 Difference]: Finished difference Result 60675 states and 370684 transitions. [2020-01-16 20:57:47,300 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-01-16 20:57:47,300 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2020-01-16 20:57:47,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-01-16 20:57:47,498 INFO L225 Difference]: With dead ends: 60675 [2020-01-16 20:57:47,498 INFO L226 Difference]: Without dead ends: 60675 [2020-01-16 20:57:47,499 INFO L633 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-01-16 20:57:55,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60675 states. [2020-01-16 20:57:57,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60675 to 60675. [2020-01-16 20:57:57,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60675 states. [2020-01-16 20:57:57,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60675 states to 60675 states and 370684 transitions. [2020-01-16 20:57:57,270 INFO L78 Accepts]: Start accepts. Automaton has 60675 states and 370684 transitions. Word has length 37 [2020-01-16 20:57:57,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-01-16 20:57:57,270 INFO L478 AbstractCegarLoop]: Abstraction has 60675 states and 370684 transitions. [2020-01-16 20:57:57,270 INFO L479 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-01-16 20:57:57,270 INFO L276 IsEmpty]: Start isEmpty. Operand 60675 states and 370684 transitions. [2020-01-16 20:57:57,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-01-16 20:57:57,388 INFO L407 BasicCegarLoop]: Found error trace [2020-01-16 20:57:57,388 INFO L415 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-01-16 20:57:57,388 INFO L426 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2020-01-16 20:57:57,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-01-16 20:57:57,389 INFO L82 PathProgramCache]: Analyzing trace with hash 209843227, now seen corresponding path program 1 times [2020-01-16 20:57:57,389 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-01-16 20:57:57,389 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929446954] [2020-01-16 20:57:57,389 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-01-16 20:57:57,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-01-16 20:57:57,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-01-16 20:57:57,421 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929446954] [2020-01-16 20:57:57,421 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-01-16 20:57:57,421 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-01-16 20:57:57,422 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [935049171] [2020-01-16 20:57:57,422 INFO L124 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2020-01-16 20:57:57,425 INFO L189 pAbStrategyModuleMcr]: Started intersection. [2020-01-16 20:58:05,118 INFO L200 pAbStrategyModuleMcr]: Finished intersection with 39366 states and 236197 transitions. [2020-01-16 20:58:05,118 INFO L211 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2020-01-16 20:58:05,227 INFO L284 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 21 times. [2020-01-16 20:58:05,227 INFO L458 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-01-16 20:58:05,227 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-01-16 20:58:05,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-01-16 20:58:05,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-01-16 20:58:05,228 INFO L87 Difference]: Start difference. First operand 60675 states and 370684 transitions. Second operand 3 states. [2020-01-16 20:58:05,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-01-16 20:58:05,499 INFO L93 Difference]: Finished difference Result 45927 states and 279937 transitions. [2020-01-16 20:58:05,500 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-01-16 20:58:05,500 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2020-01-16 20:58:05,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-01-16 20:58:05,639 INFO L225 Difference]: With dead ends: 45927 [2020-01-16 20:58:05,639 INFO L226 Difference]: Without dead ends: 45927 [2020-01-16 20:58:05,639 INFO L633 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-01-16 20:58:13,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45927 states. [2020-01-16 20:58:14,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45927 to 45927. [2020-01-16 20:58:14,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45927 states. [2020-01-16 20:58:14,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45927 states to 45927 states and 279937 transitions. [2020-01-16 20:58:14,533 INFO L78 Accepts]: Start accepts. Automaton has 45927 states and 279937 transitions. Word has length 37 [2020-01-16 20:58:14,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-01-16 20:58:14,533 INFO L478 AbstractCegarLoop]: Abstraction has 45927 states and 279937 transitions. [2020-01-16 20:58:14,533 INFO L479 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-01-16 20:58:14,534 INFO L276 IsEmpty]: Start isEmpty. Operand 45927 states and 279937 transitions. [2020-01-16 20:58:14,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-01-16 20:58:14,620 INFO L407 BasicCegarLoop]: Found error trace [2020-01-16 20:58:14,620 INFO L415 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-01-16 20:58:14,621 INFO L426 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2020-01-16 20:58:14,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-01-16 20:58:14,621 INFO L82 PathProgramCache]: Analyzing trace with hash -1921994005, now seen corresponding path program 1 times [2020-01-16 20:58:14,621 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-01-16 20:58:14,622 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602429622] [2020-01-16 20:58:14,622 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-01-16 20:58:14,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-01-16 20:58:15,997 WARN L192 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 32 [2020-01-16 20:58:16,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-01-16 20:58:16,014 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602429622] [2020-01-16 20:58:16,014 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-01-16 20:58:16,014 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-01-16 20:58:16,015 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [195128346] [2020-01-16 20:58:16,015 INFO L124 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2020-01-16 20:58:16,018 INFO L189 pAbStrategyModuleMcr]: Started intersection. [2020-01-16 20:58:25,157 INFO L200 pAbStrategyModuleMcr]: Finished intersection with 39366 states and 236197 transitions. [2020-01-16 20:58:25,157 INFO L211 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2020-01-16 20:58:27,263 WARN L192 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 24 [2020-01-16 20:58:33,059 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2020-01-16 20:59:46,280 INFO L284 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 1036 times. [2020-01-16 20:59:46,280 INFO L458 AbstractCegarLoop]: Interpolant automaton has 737 states [2020-01-16 20:59:46,280 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-01-16 20:59:46,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 737 interpolants. [2020-01-16 20:59:46,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31101, Invalid=511331, Unknown=0, NotChecked=0, Total=542432 [2020-01-16 20:59:46,313 INFO L87 Difference]: Start difference. First operand 45927 states and 279937 transitions. Second operand 737 states. [2020-01-16 21:00:02,325 WARN L192 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 17 [2020-01-16 21:00:15,771 WARN L192 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 19 [2020-01-16 21:01:09,287 WARN L192 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 23 [2020-01-16 21:01:39,797 WARN L192 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 30 Received shutdown request... [2020-01-16 21:02:19,473 WARN L209 SmtUtils]: Removed 8 from assertion stack [2020-01-16 21:02:19,474 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 701 states. [2020-01-16 21:02:19,474 WARN L543 AbstractCegarLoop]: Verification canceled [2020-01-16 21:02:19,478 WARN L227 ceAbstractionStarter]: Timeout [2020-01-16 21:02:19,479 INFO L202 PluginConnector]: Adding new model example_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.01 09:02:19 BasicIcfg [2020-01-16 21:02:19,479 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-01-16 21:02:19,481 INFO L168 Benchmark]: Toolchain (without parser) took 691897.89 ms. Allocated memory was 138.9 MB in the beginning and 4.3 GB in the end (delta: 4.2 GB). Free memory was 120.9 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2020-01-16 21:02:19,482 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 138.9 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-01-16 21:02:19,482 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.45 ms. Allocated memory is still 138.9 MB. Free memory was 120.6 MB in the beginning and 119.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. [2020-01-16 21:02:19,483 INFO L168 Benchmark]: Boogie Preprocessor took 20.99 ms. Allocated memory is still 138.9 MB. Free memory was 119.0 MB in the beginning and 117.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-01-16 21:02:19,484 INFO L168 Benchmark]: RCFGBuilder took 376.93 ms. Allocated memory is still 138.9 MB. Free memory was 117.8 MB in the beginning and 104.4 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. [2020-01-16 21:02:19,485 INFO L168 Benchmark]: TraceAbstraction took 691459.01 ms. Allocated memory was 138.9 MB in the beginning and 4.3 GB in the end (delta: 4.2 GB). Free memory was 104.0 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2020-01-16 21:02:19,489 INFO L335 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 0.19 ms. Allocated memory is still 138.9 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 36.45 ms. Allocated memory is still 138.9 MB. Free memory was 120.6 MB in the beginning and 119.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 20.99 ms. Allocated memory is still 138.9 MB. Free memory was 119.0 MB in the beginning and 117.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 376.93 ms. Allocated memory is still 138.9 MB. Free memory was 117.8 MB in the beginning and 104.4 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 691459.01 ms. Allocated memory was 138.9 MB in the beginning and 4.3 GB in the end (delta: 4.2 GB). Free memory was 104.0 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 31]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 31). Cancelled while BasicCegarLoop was constructing difference of abstraction (45927states) and FLOYD_HOARE automaton (currently 701 states, 737 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 26 for 11ms.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. Result: TIMEOUT, OverallTime: 691.2s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 176.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 168.3s, HoareTripleCheckerStatistics: 3989 SDtfs, 4645 SDslu, 132400 SDs, 0 SdLazy, 38052 SolverSat, 28 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 23.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1835 GetRequests, 616 SyntacticMatches, 0 SemanticMatches, 1218 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 796540 ImplicationChecksByTransitivity, 190.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=271988occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 157.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 296 NumberOfCodeBlocks, 296 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 288 ConstructedInterpolants, 0 QuantifiedInterpolants, 62856 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown