/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-PN-NoLbe-MCR.epf -i ../../../trunk/examples/concurrent/bpl/mcr/example_12.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d9e330d [2020-02-11 01:06:58,817 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-02-11 01:06:58,819 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-02-11 01:06:58,831 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-02-11 01:06:58,832 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-02-11 01:06:58,833 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-02-11 01:06:58,834 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-02-11 01:06:58,836 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-02-11 01:06:58,838 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-02-11 01:06:58,839 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-02-11 01:06:58,840 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-02-11 01:06:58,841 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-02-11 01:06:58,842 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-02-11 01:06:58,845 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-02-11 01:06:58,846 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-02-11 01:06:58,850 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-02-11 01:06:58,853 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-02-11 01:06:58,854 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-02-11 01:06:58,857 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-02-11 01:06:58,859 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-02-11 01:06:58,863 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-02-11 01:06:58,864 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-02-11 01:06:58,865 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-02-11 01:06:58,868 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-02-11 01:06:58,873 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-02-11 01:06:58,880 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-02-11 01:06:58,882 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-02-11 01:06:58,883 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-02-11 01:06:58,885 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-02-11 01:06:58,888 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-02-11 01:06:58,888 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-02-11 01:06:58,889 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-02-11 01:06:58,889 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-02-11 01:06:58,891 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-02-11 01:06:58,894 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-02-11 01:06:58,896 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-02-11 01:06:58,896 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-PN-NoLbe-MCR.epf [2020-02-11 01:06:58,920 INFO L113 SettingsManager]: Loading preferences was successful [2020-02-11 01:06:58,920 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-02-11 01:06:58,922 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-02-11 01:06:58,922 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-02-11 01:06:58,922 INFO L138 SettingsManager]: * Use SBE=true [2020-02-11 01:06:58,923 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-02-11 01:06:58,923 INFO L138 SettingsManager]: * sizeof long=4 [2020-02-11 01:06:58,923 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-02-11 01:06:58,923 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-02-11 01:06:58,923 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-02-11 01:06:58,924 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-02-11 01:06:58,925 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-02-11 01:06:58,925 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-02-11 01:06:58,925 INFO L138 SettingsManager]: * sizeof long double=12 [2020-02-11 01:06:58,926 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-02-11 01:06:58,926 INFO L138 SettingsManager]: * Use constant arrays=true [2020-02-11 01:06:58,926 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-02-11 01:06:58,926 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-02-11 01:06:58,926 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-02-11 01:06:58,927 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-02-11 01:06:58,927 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-02-11 01:06:58,927 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-02-11 01:06:58,928 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-02-11 01:06:58,928 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-02-11 01:06:58,928 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-02-11 01:06:58,928 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-02-11 01:06:58,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-02-11 01:06:58,928 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-02-11 01:06:58,929 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-02-11 01:06:58,929 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-02-11 01:06:58,930 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-02-11 01:06:58,930 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-02-11 01:06:59,207 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-02-11 01:06:59,219 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-02-11 01:06:59,223 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-02-11 01:06:59,224 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-02-11 01:06:59,225 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-02-11 01:06:59,226 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_12.bpl [2020-02-11 01:06:59,226 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_12.bpl' [2020-02-11 01:06:59,266 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-02-11 01:06:59,269 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-02-11 01:06:59,270 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-02-11 01:06:59,270 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-02-11 01:06:59,270 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-02-11 01:06:59,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 01:06:59" (1/1) ... [2020-02-11 01:06:59,296 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 01:06:59" (1/1) ... [2020-02-11 01:06:59,305 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-02-11 01:06:59,306 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-02-11 01:06:59,306 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-02-11 01:06:59,306 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-02-11 01:06:59,317 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 01:06:59" (1/1) ... [2020-02-11 01:06:59,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 01:06:59" (1/1) ... [2020-02-11 01:06:59,318 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 01:06:59" (1/1) ... [2020-02-11 01:06:59,319 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 01:06:59" (1/1) ... [2020-02-11 01:06:59,327 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 01:06:59" (1/1) ... [2020-02-11 01:06:59,329 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 01:06:59" (1/1) ... [2020-02-11 01:06:59,331 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 01:06:59" (1/1) ... [2020-02-11 01:06:59,333 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-02-11 01:06:59,334 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-02-11 01:06:59,334 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-02-11 01:06:59,334 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-02-11 01:06:59,337 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 01:06:59" (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 [2020-02-11 01:06:59,412 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_1 given in one single declaration [2020-02-11 01:06:59,412 INFO L130 BoogieDeclarations]: Found specification of procedure set_1 [2020-02-11 01:06:59,412 INFO L138 BoogieDeclarations]: Found implementation of procedure set_1 [2020-02-11 01:06:59,413 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_2 given in one single declaration [2020-02-11 01:06:59,413 INFO L130 BoogieDeclarations]: Found specification of procedure set_2 [2020-02-11 01:06:59,413 INFO L138 BoogieDeclarations]: Found implementation of procedure set_2 [2020-02-11 01:06:59,414 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_3 given in one single declaration [2020-02-11 01:06:59,414 INFO L130 BoogieDeclarations]: Found specification of procedure set_3 [2020-02-11 01:06:59,414 INFO L138 BoogieDeclarations]: Found implementation of procedure set_3 [2020-02-11 01:06:59,414 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_4 given in one single declaration [2020-02-11 01:06:59,414 INFO L130 BoogieDeclarations]: Found specification of procedure set_4 [2020-02-11 01:06:59,414 INFO L138 BoogieDeclarations]: Found implementation of procedure set_4 [2020-02-11 01:06:59,415 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_0 given in one single declaration [2020-02-11 01:06:59,415 INFO L130 BoogieDeclarations]: Found specification of procedure set_0 [2020-02-11 01:06:59,415 INFO L138 BoogieDeclarations]: Found implementation of procedure set_0 [2020-02-11 01:06:59,415 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_9 given in one single declaration [2020-02-11 01:06:59,415 INFO L130 BoogieDeclarations]: Found specification of procedure set_9 [2020-02-11 01:06:59,415 INFO L138 BoogieDeclarations]: Found implementation of procedure set_9 [2020-02-11 01:06:59,416 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-02-11 01:06:59,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-02-11 01:06:59,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-02-11 01:06:59,417 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_5 given in one single declaration [2020-02-11 01:06:59,417 INFO L130 BoogieDeclarations]: Found specification of procedure set_5 [2020-02-11 01:06:59,418 INFO L138 BoogieDeclarations]: Found implementation of procedure set_5 [2020-02-11 01:06:59,418 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_6 given in one single declaration [2020-02-11 01:06:59,419 INFO L130 BoogieDeclarations]: Found specification of procedure set_6 [2020-02-11 01:06:59,419 INFO L138 BoogieDeclarations]: Found implementation of procedure set_6 [2020-02-11 01:06:59,420 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_10 given in one single declaration [2020-02-11 01:06:59,420 INFO L130 BoogieDeclarations]: Found specification of procedure set_10 [2020-02-11 01:06:59,420 INFO L138 BoogieDeclarations]: Found implementation of procedure set_10 [2020-02-11 01:06:59,420 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_7 given in one single declaration [2020-02-11 01:06:59,420 INFO L130 BoogieDeclarations]: Found specification of procedure set_7 [2020-02-11 01:06:59,421 INFO L138 BoogieDeclarations]: Found implementation of procedure set_7 [2020-02-11 01:06:59,421 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_11 given in one single declaration [2020-02-11 01:06:59,422 INFO L130 BoogieDeclarations]: Found specification of procedure set_11 [2020-02-11 01:06:59,422 INFO L138 BoogieDeclarations]: Found implementation of procedure set_11 [2020-02-11 01:06:59,422 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_8 given in one single declaration [2020-02-11 01:06:59,422 INFO L130 BoogieDeclarations]: Found specification of procedure set_8 [2020-02-11 01:06:59,422 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8 [2020-02-11 01:06:59,424 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-02-11 01:06:59,700 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-02-11 01:06:59,701 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-02-11 01:06:59,711 INFO L202 PluginConnector]: Adding new model example_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 01:06:59 BoogieIcfgContainer [2020-02-11 01:06:59,711 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-02-11 01:06:59,712 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-02-11 01:06:59,712 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-02-11 01:06:59,722 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-02-11 01:06:59,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 01:06:59" (1/2) ... [2020-02-11 01:06:59,724 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e342cb1 and model type example_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.02 01:06:59, skipping insertion in model container [2020-02-11 01:06:59,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 01:06:59" (2/2) ... [2020-02-11 01:06:59,726 INFO L109 eAbstractionObserver]: Analyzing ICFG example_12.bpl [2020-02-11 01:06:59,739 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-02-11 01:06:59,748 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-02-11 01:06:59,749 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-02-11 01:07:00,080 INFO L251 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2020-02-11 01:07:00,099 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-02-11 01:07:00,100 INFO L376 AbstractCegarLoop]: Hoare is false [2020-02-11 01:07:00,100 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-02-11 01:07:00,100 INFO L378 AbstractCegarLoop]: Backedges is MCR [2020-02-11 01:07:00,100 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-02-11 01:07:00,100 INFO L380 AbstractCegarLoop]: Difference is false [2020-02-11 01:07:00,100 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-02-11 01:07:00,100 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-02-11 01:07:00,116 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 100 places, 195 transitions [2020-02-11 01:07:44,474 INFO L129 PetriNetUnfolder]: 20481/24615 cut-off events. [2020-02-11 01:07:44,474 INFO L130 PetriNetUnfolder]: For 24576/24576 co-relation queries the response was YES. [2020-02-11 01:07:44,764 INFO L76 FinitePrefix]: Finished finitePrefix Result has 49228 conditions, 24615 events. 20481/24615 cut-off events. For 24576/24576 co-relation queries the response was YES. Maximal size of possible extension queue 988. Compared 94642 event pairs. 0/24614 useless extension candidates. Maximal degree in co-relation 22585. Up to 5544 conditions per place. [2020-02-11 01:07:44,765 INFO L82 GeneralOperation]: Start removeDead. Operand has 100 places, 195 transitions [2020-02-11 01:07:45,358 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 86 places, 181 transitions [2020-02-11 01:08:27,821 INFO L129 PetriNetUnfolder]: 20481/24612 cut-off events. [2020-02-11 01:08:27,822 INFO L130 PetriNetUnfolder]: For 24576/24576 co-relation queries the response was YES. [2020-02-11 01:08:27,822 INFO L219 CegarLoopForPetriNet]: Found error trace [2020-02-11 01:08:27,824 INFO L227 CegarLoopForPetriNet]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-02-11 01:08:27,824 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2020-02-11 01:08:27,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-02-11 01:08:27,830 INFO L82 PathProgramCache]: Analyzing trace with hash 466800241, now seen corresponding path program 1 times [2020-02-11 01:08:27,841 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-02-11 01:08:27,842 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740010976] [2020-02-11 01:08:27,842 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-02-11 01:08:27,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-02-11 01:08:28,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-02-11 01:08:28,044 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740010976] [2020-02-11 01:08:28,045 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-02-11 01:08:28,046 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-02-11 01:08:28,047 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1665526986] [2020-02-11 01:08:28,051 INFO L124 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2020-02-11 01:08:28,070 INFO L189 pAbStrategyModuleMcr]: Started intersection.