/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-d9e330d [2020-02-10 22:32:14,801 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-02-10 22:32:14,803 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-02-10 22:32:14,817 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-02-10 22:32:14,817 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-02-10 22:32:14,818 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-02-10 22:32:14,820 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-02-10 22:32:14,823 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-02-10 22:32:14,824 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-02-10 22:32:14,825 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-02-10 22:32:14,826 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-02-10 22:32:14,827 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-02-10 22:32:14,828 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-02-10 22:32:14,829 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-02-10 22:32:14,830 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-02-10 22:32:14,831 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-02-10 22:32:14,832 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-02-10 22:32:14,833 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-02-10 22:32:14,834 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-02-10 22:32:14,837 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-02-10 22:32:14,838 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-02-10 22:32:14,839 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-02-10 22:32:14,841 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-02-10 22:32:14,841 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-02-10 22:32:14,847 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-02-10 22:32:14,861 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-02-10 22:32:14,861 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-02-10 22:32:14,862 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-02-10 22:32:14,863 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 [2020-02-10 22:32:14,885 INFO L113 SettingsManager]: Loading preferences was successful [2020-02-10 22:32:14,885 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-02-10 22:32:14,886 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-02-10 22:32:14,886 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-02-10 22:32:14,887 INFO L138 SettingsManager]: * Use SBE=true [2020-02-10 22:32:14,888 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-02-10 22:32:14,888 INFO L138 SettingsManager]: * sizeof long=4 [2020-02-10 22:32:14,888 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-02-10 22:32:14,888 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-02-10 22:32:14,888 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-02-10 22:32:14,889 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-02-10 22:32:14,889 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-02-10 22:32:14,889 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-02-10 22:32:14,889 INFO L138 SettingsManager]: * sizeof long double=12 [2020-02-10 22:32:14,889 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-02-10 22:32:14,891 INFO L138 SettingsManager]: * Use constant arrays=true [2020-02-10 22:32:14,891 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-02-10 22:32:14,891 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-02-10 22:32:14,891 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-02-10 22:32:14,892 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-02-10 22:32:14,892 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-02-10 22:32:14,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-02-10 22:32:14,892 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-02-10 22:32:14,893 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-02-10 22:32:14,893 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-02-10 22:32:14,893 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-02-10 22:32:14,893 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-02-10 22:32:14,893 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-02-10 22:32:14,894 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-02-10 22:32:14,894 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-02-10 22:32:14,895 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-02-10 22:32:14,895 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-02-10 22:32:15,187 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-02-10 22:32:15,200 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-02-10 22:32:15,203 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-02-10 22:32:15,205 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-02-10 22:32:15,206 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-02-10 22:32:15,206 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_9.bpl [2020-02-10 22:32:15,207 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_9.bpl' [2020-02-10 22:32:15,239 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-02-10 22:32:15,242 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-02-10 22:32:15,243 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-02-10 22:32:15,243 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-02-10 22:32:15,243 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-02-10 22:32:15,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 10:32:15" (1/1) ... [2020-02-10 22:32:15,269 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 10:32:15" (1/1) ... [2020-02-10 22:32:15,278 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-02-10 22:32:15,279 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-02-10 22:32:15,279 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-02-10 22:32:15,279 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-02-10 22:32:15,289 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 10:32:15" (1/1) ... [2020-02-10 22:32:15,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 10:32:15" (1/1) ... [2020-02-10 22:32:15,291 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 10:32:15" (1/1) ... [2020-02-10 22:32:15,291 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 10:32:15" (1/1) ... [2020-02-10 22:32:15,295 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 10:32:15" (1/1) ... [2020-02-10 22:32:15,296 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 10:32:15" (1/1) ... [2020-02-10 22:32:15,297 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 10:32:15" (1/1) ... [2020-02-10 22:32:15,299 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-02-10 22:32:15,299 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-02-10 22:32:15,299 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-02-10 22:32:15,299 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-02-10 22:32:15,300 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 10:32:15" (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 [2020-02-10 22:32:15,370 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_1 given in one single declaration [2020-02-10 22:32:15,370 INFO L130 BoogieDeclarations]: Found specification of procedure set_1 [2020-02-10 22:32:15,371 INFO L138 BoogieDeclarations]: Found implementation of procedure set_1 [2020-02-10 22:32:15,371 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_2 given in one single declaration [2020-02-10 22:32:15,371 INFO L130 BoogieDeclarations]: Found specification of procedure set_2 [2020-02-10 22:32:15,371 INFO L138 BoogieDeclarations]: Found implementation of procedure set_2 [2020-02-10 22:32:15,372 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_3 given in one single declaration [2020-02-10 22:32:15,372 INFO L130 BoogieDeclarations]: Found specification of procedure set_3 [2020-02-10 22:32:15,372 INFO L138 BoogieDeclarations]: Found implementation of procedure set_3 [2020-02-10 22:32:15,372 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_4 given in one single declaration [2020-02-10 22:32:15,372 INFO L130 BoogieDeclarations]: Found specification of procedure set_4 [2020-02-10 22:32:15,372 INFO L138 BoogieDeclarations]: Found implementation of procedure set_4 [2020-02-10 22:32:15,373 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_0 given in one single declaration [2020-02-10 22:32:15,373 INFO L130 BoogieDeclarations]: Found specification of procedure set_0 [2020-02-10 22:32:15,373 INFO L138 BoogieDeclarations]: Found implementation of procedure set_0 [2020-02-10 22:32:15,373 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-02-10 22:32:15,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-02-10 22:32:15,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-02-10 22:32:15,374 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_5 given in one single declaration [2020-02-10 22:32:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure set_5 [2020-02-10 22:32:15,374 INFO L138 BoogieDeclarations]: Found implementation of procedure set_5 [2020-02-10 22:32:15,374 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_6 given in one single declaration [2020-02-10 22:32:15,375 INFO L130 BoogieDeclarations]: Found specification of procedure set_6 [2020-02-10 22:32:15,375 INFO L138 BoogieDeclarations]: Found implementation of procedure set_6 [2020-02-10 22:32:15,375 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_7 given in one single declaration [2020-02-10 22:32:15,375 INFO L130 BoogieDeclarations]: Found specification of procedure set_7 [2020-02-10 22:32:15,375 INFO L138 BoogieDeclarations]: Found implementation of procedure set_7 [2020-02-10 22:32:15,376 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_8 given in one single declaration [2020-02-10 22:32:15,376 INFO L130 BoogieDeclarations]: Found specification of procedure set_8 [2020-02-10 22:32:15,376 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8 [2020-02-10 22:32:15,377 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-02-10 22:32:15,726 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-02-10 22:32:15,726 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-02-10 22:32:15,730 INFO L202 PluginConnector]: Adding new model example_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 10:32:15 BoogieIcfgContainer [2020-02-10 22:32:15,730 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-02-10 22:32:15,731 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-02-10 22:32:15,732 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-02-10 22:32:15,735 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-02-10 22:32:15,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 10:32:15" (1/2) ... [2020-02-10 22:32:15,736 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d61ea51 and model type example_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 10:32:15, skipping insertion in model container [2020-02-10 22:32:15,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 10:32:15" (2/2) ... [2020-02-10 22:32:15,738 INFO L109 eAbstractionObserver]: Analyzing ICFG example_9.bpl [2020-02-10 22:32:15,749 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-02-10 22:32:15,749 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-02-10 22:32:15,763 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-02-10 22:32:15,765 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-02-10 22:32:15,969 INFO L251 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2020-02-10 22:32:15,986 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-02-10 22:32:15,986 INFO L376 AbstractCegarLoop]: Hoare is true [2020-02-10 22:32:15,986 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-02-10 22:32:15,987 INFO L378 AbstractCegarLoop]: Backedges is MCR [2020-02-10 22:32:15,987 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-02-10 22:32:15,987 INFO L380 AbstractCegarLoop]: Difference is false [2020-02-10 22:32:15,987 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-02-10 22:32:15,987 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-02-10 22:32:16,001 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 76 places, 120 transitions [2020-02-10 22:35:02,291 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 271988 states. [2020-02-10 22:35:02,293 INFO L276 IsEmpty]: Start isEmpty. Operand 271988 states. [2020-02-10 22:35:03,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-02-10 22:35:03,171 INFO L407 BasicCegarLoop]: Found error trace [2020-02-10 22:35:03,172 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] [2020-02-10 22:35:03,172 INFO L427 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]=== [2020-02-10 22:35:03,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-02-10 22:35:03,179 INFO L82 PathProgramCache]: Analyzing trace with hash 976744769, now seen corresponding path program 1 times [2020-02-10 22:35:03,189 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-02-10 22:35:03,190 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547794317] [2020-02-10 22:35:03,190 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-02-10 22:35:03,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-02-10 22:35:03,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-02-10 22:35:03,350 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547794317] [2020-02-10 22:35:03,351 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-02-10 22:35:03,352 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-02-10 22:35:03,352 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1337917431] [2020-02-10 22:35:03,353 INFO L124 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2020-02-10 22:35:03,362 INFO L189 pAbStrategyModuleMcr]: Started intersection. [2020-02-10 22:35:15,669 INFO L200 pAbStrategyModuleMcr]: Finished intersection with 39366 states and 236197 transitions. [2020-02-10 22:35:15,670 INFO L211 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2020-02-10 22:35:15,925 INFO L284 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 8 times. [2020-02-10 22:35:15,926 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-02-10 22:35:15,926 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-02-10 22:35:15,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-02-10 22:35:15,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-02-10 22:35:15,949 INFO L87 Difference]: Start difference. First operand 271988 states. Second operand 3 states. [2020-02-10 22:35:25,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-02-10 22:35:25,297 INFO L93 Difference]: Finished difference Result 247931 states and 1629507 transitions. [2020-02-10 22:35:25,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-02-10 22:35:25,298 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2020-02-10 22:35:25,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-02-10 22:35:26,577 INFO L225 Difference]: With dead ends: 247931 [2020-02-10 22:35:26,577 INFO L226 Difference]: Without dead ends: 247929 [2020-02-10 22:35:26,579 INFO L633 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-02-10 22:36:01,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247929 states. [2020-02-10 22:36:08,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247929 to 247929. [2020-02-10 22:36:08,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247929 states. [2020-02-10 22:36:27,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247929 states to 247929 states and 1629505 transitions. [2020-02-10 22:36:27,679 INFO L78 Accepts]: Start accepts. Automaton has 247929 states and 1629505 transitions. Word has length 37 [2020-02-10 22:36:27,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-02-10 22:36:27,680 INFO L479 AbstractCegarLoop]: Abstraction has 247929 states and 1629505 transitions. [2020-02-10 22:36:27,680 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-02-10 22:36:27,680 INFO L276 IsEmpty]: Start isEmpty. Operand 247929 states and 1629505 transitions. [2020-02-10 22:36:28,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-02-10 22:36:28,474 INFO L407 BasicCegarLoop]: Found error trace [2020-02-10 22:36:28,475 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] [2020-02-10 22:36:28,475 INFO L427 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]=== [2020-02-10 22:36:28,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-02-10 22:36:28,476 INFO L82 PathProgramCache]: Analyzing trace with hash -1934577857, now seen corresponding path program 1 times [2020-02-10 22:36:28,476 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-02-10 22:36:28,477 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313138250] [2020-02-10 22:36:28,477 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-02-10 22:36:28,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-02-10 22:36:28,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-02-10 22:36:28,532 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313138250] [2020-02-10 22:36:28,533 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-02-10 22:36:28,533 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-02-10 22:36:28,533 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1730103448] [2020-02-10 22:36:28,534 INFO L124 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2020-02-10 22:36:28,541 INFO L189 pAbStrategyModuleMcr]: Started intersection. [2020-02-10 22:36:41,995 INFO L200 pAbStrategyModuleMcr]: Finished intersection with 39366 states and 236197 transitions. [2020-02-10 22:36:41,995 INFO L211 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2020-02-10 22:36:42,414 INFO L284 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 10 times. [2020-02-10 22:36:42,416 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-02-10 22:36:42,417 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-02-10 22:36:42,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-02-10 22:36:42,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-02-10 22:36:42,417 INFO L87 Difference]: Start difference. First operand 247929 states and 1629505 transitions. Second operand 3 states. [2020-02-10 22:36:45,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-02-10 22:36:45,096 INFO L93 Difference]: Finished difference Result 205647 states and 1312390 transitions. [2020-02-10 22:36:45,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-02-10 22:36:45,097 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2020-02-10 22:36:45,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-02-10 22:36:54,452 INFO L225 Difference]: With dead ends: 205647 [2020-02-10 22:36:54,452 INFO L226 Difference]: Without dead ends: 205647 [2020-02-10 22:36:54,453 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 [2020-02-10 22:37:12,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205647 states. [2020-02-10 22:37:16,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205647 to 205647. [2020-02-10 22:37:16,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205647 states. [2020-02-10 22:37:18,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205647 states to 205647 states and 1312390 transitions. [2020-02-10 22:37:18,622 INFO L78 Accepts]: Start accepts. Automaton has 205647 states and 1312390 transitions. Word has length 37 [2020-02-10 22:37:18,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-02-10 22:37:18,622 INFO L479 AbstractCegarLoop]: Abstraction has 205647 states and 1312390 transitions. [2020-02-10 22:37:18,622 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-02-10 22:37:18,623 INFO L276 IsEmpty]: Start isEmpty. Operand 205647 states and 1312390 transitions. [2020-02-10 22:37:27,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-02-10 22:37:27,810 INFO L407 BasicCegarLoop]: Found error trace [2020-02-10 22:37:27,810 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] [2020-02-10 22:37:27,810 INFO L427 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]=== [2020-02-10 22:37:27,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-02-10 22:37:27,811 INFO L82 PathProgramCache]: Analyzing trace with hash 872555395, now seen corresponding path program 1 times [2020-02-10 22:37:27,811 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-02-10 22:37:27,812 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348925582] [2020-02-10 22:37:27,812 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-02-10 22:37:27,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-02-10 22:37:27,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-02-10 22:37:27,850 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348925582] [2020-02-10 22:37:27,851 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-02-10 22:37:27,851 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-02-10 22:37:27,851 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [568328879] [2020-02-10 22:37:27,851 INFO L124 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2020-02-10 22:37:27,854 INFO L189 pAbStrategyModuleMcr]: Started intersection. [2020-02-10 22:37:34,113 INFO L200 pAbStrategyModuleMcr]: Finished intersection with 39366 states and 236197 transitions. [2020-02-10 22:37:34,113 INFO L211 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2020-02-10 22:37:34,284 INFO L284 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 16 times. [2020-02-10 22:37:34,285 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-02-10 22:37:34,285 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-02-10 22:37:34,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-02-10 22:37:34,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-02-10 22:37:34,286 INFO L87 Difference]: Start difference. First operand 205647 states and 1312390 transitions. Second operand 3 states. [2020-02-10 22:37:40,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-02-10 22:37:40,151 INFO L93 Difference]: Finished difference Result 151377 states and 949429 transitions. [2020-02-10 22:37:40,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-02-10 22:37:40,153 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2020-02-10 22:37:40,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-02-10 22:37:41,277 INFO L225 Difference]: With dead ends: 151377 [2020-02-10 22:37:41,278 INFO L226 Difference]: Without dead ends: 151377 [2020-02-10 22:37:41,278 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 [2020-02-10 22:38:02,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151377 states. [2020-02-10 22:38:05,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151377 to 151377. [2020-02-10 22:38:05,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151377 states. [2020-02-10 22:38:07,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151377 states to 151377 states and 949429 transitions. [2020-02-10 22:38:07,027 INFO L78 Accepts]: Start accepts. Automaton has 151377 states and 949429 transitions. Word has length 37 [2020-02-10 22:38:07,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-02-10 22:38:07,028 INFO L479 AbstractCegarLoop]: Abstraction has 151377 states and 949429 transitions. [2020-02-10 22:38:07,028 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-02-10 22:38:07,028 INFO L276 IsEmpty]: Start isEmpty. Operand 151377 states and 949429 transitions. [2020-02-10 22:38:07,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-02-10 22:38:07,411 INFO L407 BasicCegarLoop]: Found error trace [2020-02-10 22:38:07,411 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] [2020-02-10 22:38:07,412 INFO L427 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]=== [2020-02-10 22:38:07,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-02-10 22:38:07,412 INFO L82 PathProgramCache]: Analyzing trace with hash 1498213033, now seen corresponding path program 1 times [2020-02-10 22:38:07,412 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-02-10 22:38:07,413 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29615636] [2020-02-10 22:38:07,413 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-02-10 22:38:07,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-02-10 22:38:07,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-02-10 22:38:07,450 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29615636] [2020-02-10 22:38:07,451 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-02-10 22:38:07,451 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-02-10 22:38:07,451 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2105397169] [2020-02-10 22:38:07,451 INFO L124 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2020-02-10 22:38:07,454 INFO L189 pAbStrategyModuleMcr]: Started intersection. [2020-02-10 22:38:21,105 INFO L200 pAbStrategyModuleMcr]: Finished intersection with 39366 states and 236197 transitions. [2020-02-10 22:38:21,105 INFO L211 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2020-02-10 22:38:21,272 INFO L284 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 14 times. [2020-02-10 22:38:21,273 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-02-10 22:38:21,273 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-02-10 22:38:21,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-02-10 22:38:21,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-02-10 22:38:21,275 INFO L87 Difference]: Start difference. First operand 151377 states and 949429 transitions. Second operand 3 states. [2020-02-10 22:38:22,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-02-10 22:38:22,826 INFO L93 Difference]: Finished difference Result 114441 states and 702946 transitions. [2020-02-10 22:38:22,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-02-10 22:38:22,826 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2020-02-10 22:38:22,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-02-10 22:38:23,220 INFO L225 Difference]: With dead ends: 114441 [2020-02-10 22:38:23,220 INFO L226 Difference]: Without dead ends: 114441 [2020-02-10 22:38:23,221 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 [2020-02-10 22:38:41,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114441 states. [2020-02-10 22:38:43,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114441 to 114441. [2020-02-10 22:38:43,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114441 states. [2020-02-10 22:38:43,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114441 states to 114441 states and 702946 transitions. [2020-02-10 22:38:43,735 INFO L78 Accepts]: Start accepts. Automaton has 114441 states and 702946 transitions. Word has length 37 [2020-02-10 22:38:43,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-02-10 22:38:43,735 INFO L479 AbstractCegarLoop]: Abstraction has 114441 states and 702946 transitions. [2020-02-10 22:38:43,735 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-02-10 22:38:43,736 INFO L276 IsEmpty]: Start isEmpty. Operand 114441 states and 702946 transitions. [2020-02-10 22:38:43,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-02-10 22:38:43,995 INFO L407 BasicCegarLoop]: Found error trace [2020-02-10 22:38:43,995 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] [2020-02-10 22:38:43,995 INFO L427 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]=== [2020-02-10 22:38:43,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-02-10 22:38:43,995 INFO L82 PathProgramCache]: Analyzing trace with hash 1104538037, now seen corresponding path program 1 times [2020-02-10 22:38:43,996 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-02-10 22:38:43,996 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464629081] [2020-02-10 22:38:43,996 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-02-10 22:38:44,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-02-10 22:38:45,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-02-10 22:38:45,123 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464629081] [2020-02-10 22:38:45,123 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-02-10 22:38:45,123 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-02-10 22:38:45,124 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1626079020] [2020-02-10 22:38:45,124 INFO L124 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2020-02-10 22:38:45,127 INFO L189 pAbStrategyModuleMcr]: Started intersection. [2020-02-10 22:38:57,300 INFO L200 pAbStrategyModuleMcr]: Finished intersection with 39366 states and 236197 transitions. [2020-02-10 22:38:57,300 INFO L211 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2020-02-10 22:38:57,415 INFO L284 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 16 times. [2020-02-10 22:38:57,415 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-02-10 22:38:57,416 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-02-10 22:38:57,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-02-10 22:38:57,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-02-10 22:38:57,416 INFO L87 Difference]: Start difference. First operand 114441 states and 702946 transitions. Second operand 3 states. [2020-02-10 22:38:58,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-02-10 22:38:58,422 INFO L93 Difference]: Finished difference Result 82635 states and 505387 transitions. [2020-02-10 22:38:58,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-02-10 22:38:58,422 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2020-02-10 22:38:58,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-02-10 22:38:58,698 INFO L225 Difference]: With dead ends: 82635 [2020-02-10 22:38:58,698 INFO L226 Difference]: Without dead ends: 82635 [2020-02-10 22:38:58,699 INFO L633 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-02-10 22:39:10,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82635 states. [2020-02-10 22:39:11,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82635 to 82635. [2020-02-10 22:39:11,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82635 states. [2020-02-10 22:39:11,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82635 states to 82635 states and 505387 transitions. [2020-02-10 22:39:11,786 INFO L78 Accepts]: Start accepts. Automaton has 82635 states and 505387 transitions. Word has length 37 [2020-02-10 22:39:11,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-02-10 22:39:11,787 INFO L479 AbstractCegarLoop]: Abstraction has 82635 states and 505387 transitions. [2020-02-10 22:39:11,787 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-02-10 22:39:11,787 INFO L276 IsEmpty]: Start isEmpty. Operand 82635 states and 505387 transitions. [2020-02-10 22:39:11,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-02-10 22:39:11,965 INFO L407 BasicCegarLoop]: Found error trace [2020-02-10 22:39:11,966 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] [2020-02-10 22:39:11,966 INFO L427 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]=== [2020-02-10 22:39:11,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-02-10 22:39:11,966 INFO L82 PathProgramCache]: Analyzing trace with hash 1719166793, now seen corresponding path program 1 times [2020-02-10 22:39:11,966 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-02-10 22:39:11,967 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129069704] [2020-02-10 22:39:11,967 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-02-10 22:39:11,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-02-10 22:39:12,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-02-10 22:39:12,003 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129069704] [2020-02-10 22:39:12,003 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-02-10 22:39:12,008 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-02-10 22:39:12,008 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1388260048] [2020-02-10 22:39:12,008 INFO L124 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2020-02-10 22:39:12,014 INFO L189 pAbStrategyModuleMcr]: Started intersection. [2020-02-10 22:39:20,492 INFO L200 pAbStrategyModuleMcr]: Finished intersection with 39366 states and 236197 transitions. [2020-02-10 22:39:20,492 INFO L211 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2020-02-10 22:39:20,607 INFO L284 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 18 times. [2020-02-10 22:39:20,607 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-02-10 22:39:20,608 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-02-10 22:39:20,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-02-10 22:39:20,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-02-10 22:39:20,608 INFO L87 Difference]: Start difference. First operand 82635 states and 505387 transitions. Second operand 3 states. [2020-02-10 22:39:21,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-02-10 22:39:21,004 INFO L93 Difference]: Finished difference Result 60675 states and 370684 transitions. [2020-02-10 22:39:21,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-02-10 22:39:21,004 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2020-02-10 22:39:21,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-02-10 22:39:21,197 INFO L225 Difference]: With dead ends: 60675 [2020-02-10 22:39:21,198 INFO L226 Difference]: Without dead ends: 60675 [2020-02-10 22:39:21,198 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 [2020-02-10 22:39:35,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60675 states. [2020-02-10 22:39:36,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60675 to 60675. [2020-02-10 22:39:36,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60675 states. [2020-02-10 22:39:36,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60675 states to 60675 states and 370684 transitions. [2020-02-10 22:39:36,751 INFO L78 Accepts]: Start accepts. Automaton has 60675 states and 370684 transitions. Word has length 37 [2020-02-10 22:39:36,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-02-10 22:39:36,751 INFO L479 AbstractCegarLoop]: Abstraction has 60675 states and 370684 transitions. [2020-02-10 22:39:36,751 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-02-10 22:39:36,751 INFO L276 IsEmpty]: Start isEmpty. Operand 60675 states and 370684 transitions. [2020-02-10 22:39:36,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-02-10 22:39:36,872 INFO L407 BasicCegarLoop]: Found error trace [2020-02-10 22:39:36,873 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] [2020-02-10 22:39:36,873 INFO L427 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]=== [2020-02-10 22:39:36,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-02-10 22:39:36,873 INFO L82 PathProgramCache]: Analyzing trace with hash 209843227, now seen corresponding path program 1 times [2020-02-10 22:39:36,874 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-02-10 22:39:36,874 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139376544] [2020-02-10 22:39:36,874 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-02-10 22:39:36,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-02-10 22:39:36,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-02-10 22:39:36,902 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139376544] [2020-02-10 22:39:36,902 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-02-10 22:39:36,903 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-02-10 22:39:36,903 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [449402169] [2020-02-10 22:39:36,903 INFO L124 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2020-02-10 22:39:36,906 INFO L189 pAbStrategyModuleMcr]: Started intersection. [2020-02-10 22:39:43,379 INFO L200 pAbStrategyModuleMcr]: Finished intersection with 39366 states and 236197 transitions. [2020-02-10 22:39:43,379 INFO L211 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2020-02-10 22:39:43,498 INFO L284 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 21 times. [2020-02-10 22:39:43,498 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-02-10 22:39:43,498 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-02-10 22:39:43,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-02-10 22:39:43,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-02-10 22:39:43,499 INFO L87 Difference]: Start difference. First operand 60675 states and 370684 transitions. Second operand 3 states. [2020-02-10 22:39:43,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-02-10 22:39:43,786 INFO L93 Difference]: Finished difference Result 45927 states and 279937 transitions. [2020-02-10 22:39:43,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-02-10 22:39:43,787 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2020-02-10 22:39:43,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-02-10 22:39:43,930 INFO L225 Difference]: With dead ends: 45927 [2020-02-10 22:39:43,930 INFO L226 Difference]: Without dead ends: 45927 [2020-02-10 22:39:43,931 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 [2020-02-10 22:39:56,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45927 states. [2020-02-10 22:39:56,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45927 to 45927. [2020-02-10 22:39:56,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45927 states. [2020-02-10 22:39:57,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45927 states to 45927 states and 279937 transitions. [2020-02-10 22:39:57,023 INFO L78 Accepts]: Start accepts. Automaton has 45927 states and 279937 transitions. Word has length 37 [2020-02-10 22:39:57,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-02-10 22:39:57,023 INFO L479 AbstractCegarLoop]: Abstraction has 45927 states and 279937 transitions. [2020-02-10 22:39:57,023 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-02-10 22:39:57,023 INFO L276 IsEmpty]: Start isEmpty. Operand 45927 states and 279937 transitions. [2020-02-10 22:39:57,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-02-10 22:39:57,597 INFO L407 BasicCegarLoop]: Found error trace [2020-02-10 22:39:57,597 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] [2020-02-10 22:39:57,597 INFO L427 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]=== [2020-02-10 22:39:57,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-02-10 22:39:57,598 INFO L82 PathProgramCache]: Analyzing trace with hash -1921994005, now seen corresponding path program 1 times [2020-02-10 22:39:57,598 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-02-10 22:39:57,598 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683772870] [2020-02-10 22:39:57,598 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-02-10 22:39:57,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-02-10 22:39:58,492 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 32 [2020-02-10 22:39:58,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-02-10 22:39:58,516 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683772870] [2020-02-10 22:39:58,516 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-02-10 22:39:58,517 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-02-10 22:39:58,518 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [297951341] [2020-02-10 22:39:58,518 INFO L124 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2020-02-10 22:39:58,521 INFO L189 pAbStrategyModuleMcr]: Started intersection. [2020-02-10 22:40:05,228 INFO L200 pAbStrategyModuleMcr]: Finished intersection with 39366 states and 236197 transitions. [2020-02-10 22:40:05,228 INFO L211 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2020-02-10 22:40:07,522 WARN L192 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 23 [2020-02-10 22:40:12,904 WARN L192 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2020-02-10 22:40:22,635 WARN L192 SmtUtils]: Spent 4.58 s on a formula simplification that was a NOOP. DAG size: 19 [2020-02-10 22:41:29,270 INFO L284 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 1036 times. [2020-02-10 22:41:29,271 INFO L459 AbstractCegarLoop]: Interpolant automaton has 737 states [2020-02-10 22:41:29,271 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-02-10 22:41:29,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 737 interpolants. [2020-02-10 22:41:29,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31101, Invalid=511331, Unknown=0, NotChecked=0, Total=542432 [2020-02-10 22:41:29,303 INFO L87 Difference]: Start difference. First operand 45927 states and 279937 transitions. Second operand 737 states. [2020-02-10 22:42:36,877 WARN L192 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 20 Received shutdown request... [2020-02-10 22:43:44,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 653 states. [2020-02-10 22:43:44,198 WARN L544 AbstractCegarLoop]: Verification canceled [2020-02-10 22:43:44,202 WARN L227 ceAbstractionStarter]: Timeout [2020-02-10 22:43:44,202 INFO L202 PluginConnector]: Adding new model example_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.02 10:43:44 BasicIcfg [2020-02-10 22:43:44,202 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-02-10 22:43:44,204 INFO L168 Benchmark]: Toolchain (without parser) took 688963.04 ms. Allocated memory was 144.2 MB in the beginning and 4.6 GB in the end (delta: 4.4 GB). Free memory was 119.2 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 2.8 GB. Max. memory is 7.1 GB. [2020-02-10 22:43:44,205 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 144.2 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-02-10 22:43:44,205 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.34 ms. Allocated memory is still 144.2 MB. Free memory was 119.0 MB in the beginning and 117.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2020-02-10 22:43:44,206 INFO L168 Benchmark]: Boogie Preprocessor took 20.08 ms. Allocated memory is still 144.2 MB. Free memory was 117.3 MB in the beginning and 116.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2020-02-10 22:43:44,207 INFO L168 Benchmark]: RCFGBuilder took 431.32 ms. Allocated memory is still 144.2 MB. Free memory was 116.0 MB in the beginning and 101.9 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. [2020-02-10 22:43:44,208 INFO L168 Benchmark]: TraceAbstraction took 688470.68 ms. Allocated memory was 144.2 MB in the beginning and 4.6 GB in the end (delta: 4.4 GB). Free memory was 101.5 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 2.8 GB. Max. memory is 7.1 GB. [2020-02-10 22:43:44,212 INFO L336 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 0.20 ms. Allocated memory is still 144.2 MB. Free memory was 120.5 MB in the beginning and 120.3 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 35.34 ms. Allocated memory is still 144.2 MB. Free memory was 119.0 MB in the beginning and 117.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 20.08 ms. Allocated memory is still 144.2 MB. Free memory was 117.3 MB in the beginning and 116.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 431.32 ms. Allocated memory is still 144.2 MB. Free memory was 116.0 MB in the beginning and 101.9 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 688470.68 ms. Allocated memory was 144.2 MB in the beginning and 4.6 GB in the end (delta: 4.4 GB). Free memory was 101.5 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 2.8 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 653 states, 737 states before enhancement),while PredicateComparison was comparing new predicate (quantifier-free) to 1165 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. Result: TIMEOUT, OverallTime: 688.2s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 168.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 166.3s, HoareTripleCheckerStatistics: 3861 SDtfs, 4289 SDslu, 125392 SDs, 0 SdLazy, 36087 SolverSat, 28 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 21.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1772 GetRequests, 601 SyntacticMatches, 0 SemanticMatches, 1170 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 752155 ImplicationChecksByTransitivity, 178.7s 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: 173.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 2.2s 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