/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/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -i ../../../trunk/examples/svcomp/pthread-wmm/mix056_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-fae578e [2019-12-19 03:29:53,529 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-19 03:29:53,534 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-19 03:29:53,545 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-19 03:29:53,546 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-19 03:29:53,547 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-19 03:29:53,548 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-19 03:29:53,550 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-19 03:29:53,551 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-19 03:29:53,552 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-19 03:29:53,553 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-19 03:29:53,554 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-19 03:29:53,554 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-19 03:29:53,555 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-19 03:29:53,556 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-19 03:29:53,557 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-19 03:29:53,558 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-19 03:29:53,559 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-19 03:29:53,561 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-19 03:29:53,563 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-19 03:29:53,564 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-19 03:29:53,568 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-19 03:29:53,569 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-19 03:29:53,570 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-19 03:29:53,572 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-19 03:29:53,581 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-19 03:29:53,582 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-19 03:29:53,584 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-19 03:29:53,584 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-19 03:29:53,585 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-19 03:29:53,586 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-19 03:29:53,589 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-19 03:29:53,589 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-19 03:29:53,589 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-19 03:29:53,590 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-19 03:29:53,591 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-19 03:29:53,592 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.epf [2019-12-19 03:29:53,613 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-19 03:29:53,613 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-19 03:29:53,614 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-19 03:29:53,615 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-19 03:29:53,615 INFO L138 SettingsManager]: * Use SBE=true [2019-12-19 03:29:53,615 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-19 03:29:53,615 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-19 03:29:53,615 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-19 03:29:53,616 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-19 03:29:53,616 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-19 03:29:53,616 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-19 03:29:53,616 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-19 03:29:53,616 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-19 03:29:53,617 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-19 03:29:53,617 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-19 03:29:53,617 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-19 03:29:53,617 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-19 03:29:53,617 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-19 03:29:53,618 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-19 03:29:53,618 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-19 03:29:53,618 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-19 03:29:53,618 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-19 03:29:53,619 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-19 03:29:53,619 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-19 03:29:53,619 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-19 03:29:53,619 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-19 03:29:53,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-19 03:29:53,619 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-19 03:29:53,620 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-19 03:29:53,620 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-19 03:29:53,889 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-19 03:29:53,902 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-19 03:29:53,905 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-19 03:29:53,907 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-19 03:29:53,907 INFO L275 PluginConnector]: CDTParser initialized [2019-12-19 03:29:53,908 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix056_tso.oepc.i [2019-12-19 03:29:53,975 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8fa59e78e/e30a3eb5b9d648b4bc0be6c3871856e1/FLAG47c46d756 [2019-12-19 03:29:54,529 INFO L306 CDTParser]: Found 1 translation units. [2019-12-19 03:29:54,529 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix056_tso.oepc.i [2019-12-19 03:29:54,553 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8fa59e78e/e30a3eb5b9d648b4bc0be6c3871856e1/FLAG47c46d756 [2019-12-19 03:29:54,829 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8fa59e78e/e30a3eb5b9d648b4bc0be6c3871856e1 [2019-12-19 03:29:54,837 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-19 03:29:54,839 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-19 03:29:54,840 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-19 03:29:54,841 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-19 03:29:54,844 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-19 03:29:54,845 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 03:29:54" (1/1) ... [2019-12-19 03:29:54,848 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@127092cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:29:54, skipping insertion in model container [2019-12-19 03:29:54,848 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 03:29:54" (1/1) ... [2019-12-19 03:29:54,855 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-19 03:29:54,908 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-19 03:29:55,367 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-19 03:29:55,379 INFO L203 MainTranslator]: Completed pre-run [2019-12-19 03:29:55,444 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-19 03:29:55,517 INFO L208 MainTranslator]: Completed translation [2019-12-19 03:29:55,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:29:55 WrapperNode [2019-12-19 03:29:55,518 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-19 03:29:55,518 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-19 03:29:55,518 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-19 03:29:55,519 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-19 03:29:55,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:29:55" (1/1) ... [2019-12-19 03:29:55,547 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:29:55" (1/1) ... [2019-12-19 03:29:55,584 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-19 03:29:55,584 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-19 03:29:55,584 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-19 03:29:55,584 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-19 03:29:55,596 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:29:55" (1/1) ... [2019-12-19 03:29:55,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:29:55" (1/1) ... [2019-12-19 03:29:55,601 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:29:55" (1/1) ... [2019-12-19 03:29:55,601 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:29:55" (1/1) ... [2019-12-19 03:29:55,618 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:29:55" (1/1) ... [2019-12-19 03:29:55,631 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:29:55" (1/1) ... [2019-12-19 03:29:55,634 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:29:55" (1/1) ... [2019-12-19 03:29:55,639 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-19 03:29:55,640 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-19 03:29:55,640 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-19 03:29:55,640 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-19 03:29:55,641 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:29:55" (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 [2019-12-19 03:29:55,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-19 03:29:55,716 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-19 03:29:55,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-19 03:29:55,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-19 03:29:55,716 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-19 03:29:55,717 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-19 03:29:55,717 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-19 03:29:55,718 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-19 03:29:55,718 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-19 03:29:55,719 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-19 03:29:55,719 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-19 03:29:55,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-19 03:29:55,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-19 03:29:55,722 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-19 03:29:56,416 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-19 03:29:56,417 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-19 03:29:56,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 03:29:56 BoogieIcfgContainer [2019-12-19 03:29:56,418 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-19 03:29:56,419 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-19 03:29:56,420 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-19 03:29:56,423 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-19 03:29:56,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 03:29:54" (1/3) ... [2019-12-19 03:29:56,424 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59f484 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 03:29:56, skipping insertion in model container [2019-12-19 03:29:56,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:29:55" (2/3) ... [2019-12-19 03:29:56,424 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59f484 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 03:29:56, skipping insertion in model container [2019-12-19 03:29:56,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 03:29:56" (3/3) ... [2019-12-19 03:29:56,426 INFO L109 eAbstractionObserver]: Analyzing ICFG mix056_tso.oepc.i [2019-12-19 03:29:56,436 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-19 03:29:56,437 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-19 03:29:56,444 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-12-19 03:29:56,445 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-19 03:29:56,480 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,480 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,480 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,481 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,481 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,482 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,482 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,482 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,483 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,483 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,483 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,483 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,484 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,484 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,484 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,484 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,485 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,485 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,485 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,485 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,486 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,486 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,486 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,488 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,488 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,489 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,489 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,489 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,489 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,490 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,490 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,490 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,491 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,492 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,493 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,493 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,495 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,495 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,495 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,496 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,496 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,497 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,497 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,497 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,498 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,498 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,498 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,498 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,499 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,500 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,500 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,500 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,500 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,501 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,501 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,501 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,501 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,502 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,502 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,502 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,502 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,502 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,503 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,503 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,503 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,503 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,504 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,504 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,505 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,505 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,510 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,510 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,510 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,511 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,511 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,511 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,511 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,512 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,512 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,512 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,513 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,513 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,516 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,516 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,517 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,517 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,520 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,520 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,520 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,521 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,521 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,521 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,521 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,521 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,522 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,522 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 03:29:56,535 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-12-19 03:29:56,550 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-19 03:29:56,550 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-19 03:29:56,550 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-19 03:29:56,550 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-19 03:29:56,550 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-19 03:29:56,551 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-19 03:29:56,551 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-19 03:29:56,551 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-19 03:29:56,582 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 162 places, 193 transitions [2019-12-19 03:30:10,931 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 92465 states. [2019-12-19 03:30:10,933 INFO L276 IsEmpty]: Start isEmpty. Operand 92465 states. [2019-12-19 03:30:10,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-12-19 03:30:10,954 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 03:30:10,955 INFO L411 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, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 03:30:10,957 INFO L410 AbstractCegarLoop]: === Iteration 1 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 03:30:10,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 03:30:10,963 INFO L82 PathProgramCache]: Analyzing trace with hash -40692432, now seen corresponding path program 1 times [2019-12-19 03:30:10,972 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 03:30:10,972 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890951133] [2019-12-19 03:30:10,972 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 03:30:11,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 03:30:11,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 03:30:11,312 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890951133] [2019-12-19 03:30:11,313 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 03:30:11,313 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-19 03:30:11,314 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075867439] [2019-12-19 03:30:11,319 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-19 03:30:11,319 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 03:30:11,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-19 03:30:11,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-19 03:30:11,336 INFO L87 Difference]: Start difference. First operand 92465 states. Second operand 4 states. [2019-12-19 03:30:14,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 03:30:14,119 INFO L93 Difference]: Finished difference Result 96401 states and 448737 transitions. [2019-12-19 03:30:14,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-19 03:30:14,121 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 44 [2019-12-19 03:30:14,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 03:30:14,886 INFO L225 Difference]: With dead ends: 96401 [2019-12-19 03:30:14,886 INFO L226 Difference]: Without dead ends: 85521 [2019-12-19 03:30:14,890 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-19 03:30:17,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85521 states. [2019-12-19 03:30:19,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85521 to 85521. [2019-12-19 03:30:19,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85521 states. [2019-12-19 03:30:24,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85521 states to 85521 states and 400697 transitions. [2019-12-19 03:30:24,108 INFO L78 Accepts]: Start accepts. Automaton has 85521 states and 400697 transitions. Word has length 44 [2019-12-19 03:30:24,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 03:30:24,110 INFO L462 AbstractCegarLoop]: Abstraction has 85521 states and 400697 transitions. [2019-12-19 03:30:24,110 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-19 03:30:24,110 INFO L276 IsEmpty]: Start isEmpty. Operand 85521 states and 400697 transitions. [2019-12-19 03:30:24,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-19 03:30:24,128 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 03:30:24,128 INFO L411 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 03:30:24,128 INFO L410 AbstractCegarLoop]: === Iteration 2 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 03:30:24,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 03:30:24,129 INFO L82 PathProgramCache]: Analyzing trace with hash 1486807028, now seen corresponding path program 1 times [2019-12-19 03:30:24,129 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 03:30:24,129 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225807321] [2019-12-19 03:30:24,130 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 03:30:24,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 03:30:24,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 03:30:24,239 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225807321] [2019-12-19 03:30:24,239 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 03:30:24,240 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-19 03:30:24,240 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788894194] [2019-12-19 03:30:24,241 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-19 03:30:24,242 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 03:30:24,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-19 03:30:24,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-19 03:30:24,242 INFO L87 Difference]: Start difference. First operand 85521 states and 400697 transitions. Second operand 5 states. [2019-12-19 03:30:26,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 03:30:26,601 INFO L93 Difference]: Finished difference Result 139649 states and 623533 transitions. [2019-12-19 03:30:26,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-19 03:30:26,602 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2019-12-19 03:30:26,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 03:30:27,171 INFO L225 Difference]: With dead ends: 139649 [2019-12-19 03:30:27,171 INFO L226 Difference]: Without dead ends: 138929 [2019-12-19 03:30:27,172 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-12-19 03:30:32,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138929 states. [2019-12-19 03:30:35,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138929 to 132785. [2019-12-19 03:30:35,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132785 states. [2019-12-19 03:30:35,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132785 states to 132785 states and 597161 transitions. [2019-12-19 03:30:35,640 INFO L78 Accepts]: Start accepts. Automaton has 132785 states and 597161 transitions. Word has length 51 [2019-12-19 03:30:35,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 03:30:35,640 INFO L462 AbstractCegarLoop]: Abstraction has 132785 states and 597161 transitions. [2019-12-19 03:30:35,640 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-19 03:30:35,641 INFO L276 IsEmpty]: Start isEmpty. Operand 132785 states and 597161 transitions. [2019-12-19 03:30:35,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-19 03:30:35,650 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 03:30:35,651 INFO L411 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 03:30:35,651 INFO L410 AbstractCegarLoop]: === Iteration 3 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 03:30:35,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 03:30:35,651 INFO L82 PathProgramCache]: Analyzing trace with hash 1932443739, now seen corresponding path program 1 times [2019-12-19 03:30:35,652 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 03:30:35,652 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046839839] [2019-12-19 03:30:35,652 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 03:30:35,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 03:30:35,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 03:30:35,792 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046839839] [2019-12-19 03:30:35,792 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 03:30:35,792 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-19 03:30:35,792 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860065837] [2019-12-19 03:30:35,793 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-19 03:30:35,793 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 03:30:35,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-19 03:30:35,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-19 03:30:35,794 INFO L87 Difference]: Start difference. First operand 132785 states and 597161 transitions. Second operand 5 states. [2019-12-19 03:30:41,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 03:30:41,357 INFO L93 Difference]: Finished difference Result 161553 states and 717781 transitions. [2019-12-19 03:30:41,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-19 03:30:41,357 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2019-12-19 03:30:41,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 03:30:42,116 INFO L225 Difference]: With dead ends: 161553 [2019-12-19 03:30:42,116 INFO L226 Difference]: Without dead ends: 160753 [2019-12-19 03:30:42,116 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-12-19 03:30:43,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160753 states. [2019-12-19 03:30:47,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160753 to 139077. [2019-12-19 03:30:47,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139077 states. [2019-12-19 03:30:47,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139077 states to 139077 states and 623064 transitions. [2019-12-19 03:30:47,637 INFO L78 Accepts]: Start accepts. Automaton has 139077 states and 623064 transitions. Word has length 52 [2019-12-19 03:30:47,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 03:30:47,638 INFO L462 AbstractCegarLoop]: Abstraction has 139077 states and 623064 transitions. [2019-12-19 03:30:47,638 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-19 03:30:47,638 INFO L276 IsEmpty]: Start isEmpty. Operand 139077 states and 623064 transitions. [2019-12-19 03:30:47,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-12-19 03:30:47,691 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 03:30:47,691 INFO L411 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 03:30:47,691 INFO L410 AbstractCegarLoop]: === Iteration 4 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 03:30:47,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 03:30:47,691 INFO L82 PathProgramCache]: Analyzing trace with hash 389383967, now seen corresponding path program 1 times [2019-12-19 03:30:47,692 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 03:30:47,692 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144674743] [2019-12-19 03:30:47,692 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 03:30:47,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 03:30:47,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 03:30:47,850 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144674743] [2019-12-19 03:30:47,850 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 03:30:47,850 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-19 03:30:47,850 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606822899] [2019-12-19 03:30:47,855 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-19 03:30:47,855 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 03:30:47,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-19 03:30:47,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-19 03:30:47,856 INFO L87 Difference]: Start difference. First operand 139077 states and 623064 transitions. Second operand 6 states. [2019-12-19 03:30:54,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 03:30:54,243 INFO L93 Difference]: Finished difference Result 183581 states and 805090 transitions. [2019-12-19 03:30:54,244 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-12-19 03:30:54,244 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 59 [2019-12-19 03:30:54,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 03:30:54,844 INFO L225 Difference]: With dead ends: 183581 [2019-12-19 03:30:54,844 INFO L226 Difference]: Without dead ends: 182861 [2019-12-19 03:30:54,844 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2019-12-19 03:30:56,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182861 states. [2019-12-19 03:30:59,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182861 to 134929. [2019-12-19 03:30:59,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134929 states. [2019-12-19 03:31:00,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134929 states to 134929 states and 604573 transitions. [2019-12-19 03:31:00,411 INFO L78 Accepts]: Start accepts. Automaton has 134929 states and 604573 transitions. Word has length 59 [2019-12-19 03:31:00,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 03:31:00,411 INFO L462 AbstractCegarLoop]: Abstraction has 134929 states and 604573 transitions. [2019-12-19 03:31:00,411 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-19 03:31:00,411 INFO L276 IsEmpty]: Start isEmpty. Operand 134929 states and 604573 transitions. [2019-12-19 03:31:00,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-12-19 03:31:00,495 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 03:31:00,495 INFO L411 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, 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] [2019-12-19 03:31:00,495 INFO L410 AbstractCegarLoop]: === Iteration 5 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 03:31:00,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 03:31:00,496 INFO L82 PathProgramCache]: Analyzing trace with hash -1647505986, now seen corresponding path program 1 times [2019-12-19 03:31:00,496 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 03:31:00,497 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396811826] [2019-12-19 03:31:00,497 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 03:31:00,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 03:31:00,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 03:31:00,652 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396811826] [2019-12-19 03:31:00,652 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 03:31:00,652 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-19 03:31:00,652 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345035092] [2019-12-19 03:31:00,653 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-19 03:31:00,653 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 03:31:00,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-19 03:31:00,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-19 03:31:00,654 INFO L87 Difference]: Start difference. First operand 134929 states and 604573 transitions. Second operand 6 states. [2019-12-19 03:31:07,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 03:31:07,047 INFO L93 Difference]: Finished difference Result 185113 states and 812727 transitions. [2019-12-19 03:31:07,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-12-19 03:31:07,047 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2019-12-19 03:31:07,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 03:31:07,609 INFO L225 Difference]: With dead ends: 185113 [2019-12-19 03:31:07,609 INFO L226 Difference]: Without dead ends: 183913 [2019-12-19 03:31:07,609 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2019-12-19 03:31:09,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183913 states. [2019-12-19 03:31:16,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183913 to 160429. [2019-12-19 03:31:16,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160429 states. [2019-12-19 03:31:16,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160429 states to 160429 states and 711514 transitions. [2019-12-19 03:31:16,793 INFO L78 Accepts]: Start accepts. Automaton has 160429 states and 711514 transitions. Word has length 66 [2019-12-19 03:31:16,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 03:31:16,793 INFO L462 AbstractCegarLoop]: Abstraction has 160429 states and 711514 transitions. [2019-12-19 03:31:16,794 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-19 03:31:16,794 INFO L276 IsEmpty]: Start isEmpty. Operand 160429 states and 711514 transitions. [2019-12-19 03:31:16,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-12-19 03:31:16,887 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 03:31:16,887 INFO L411 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, 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] [2019-12-19 03:31:16,887 INFO L410 AbstractCegarLoop]: === Iteration 6 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 03:31:16,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 03:31:16,888 INFO L82 PathProgramCache]: Analyzing trace with hash -1697234032, now seen corresponding path program 1 times [2019-12-19 03:31:16,888 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 03:31:16,888 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607009082] [2019-12-19 03:31:16,888 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 03:31:16,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 03:31:16,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 03:31:16,932 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607009082] [2019-12-19 03:31:16,932 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 03:31:16,932 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-19 03:31:16,933 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536196605] [2019-12-19 03:31:16,933 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-19 03:31:16,933 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 03:31:16,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-19 03:31:16,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-19 03:31:16,934 INFO L87 Difference]: Start difference. First operand 160429 states and 711514 transitions. Second operand 3 states. [2019-12-19 03:31:19,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 03:31:19,227 INFO L93 Difference]: Finished difference Result 202237 states and 884074 transitions. [2019-12-19 03:31:19,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-19 03:31:19,227 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2019-12-19 03:31:19,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 03:31:27,222 INFO L225 Difference]: With dead ends: 202237 [2019-12-19 03:31:27,223 INFO L226 Difference]: Without dead ends: 202237 [2019-12-19 03:31:27,223 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-19 03:31:28,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202237 states. [2019-12-19 03:31:31,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202237 to 176149. [2019-12-19 03:31:31,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176149 states. [2019-12-19 03:31:33,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176149 states to 176149 states and 777056 transitions. [2019-12-19 03:31:33,226 INFO L78 Accepts]: Start accepts. Automaton has 176149 states and 777056 transitions. Word has length 68 [2019-12-19 03:31:33,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 03:31:33,226 INFO L462 AbstractCegarLoop]: Abstraction has 176149 states and 777056 transitions. [2019-12-19 03:31:33,227 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-19 03:31:33,227 INFO L276 IsEmpty]: Start isEmpty. Operand 176149 states and 777056 transitions. [2019-12-19 03:31:33,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-12-19 03:31:33,411 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 03:31:33,411 INFO L411 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, 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] [2019-12-19 03:31:33,412 INFO L410 AbstractCegarLoop]: === Iteration 7 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 03:31:33,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 03:31:33,412 INFO L82 PathProgramCache]: Analyzing trace with hash 865455602, now seen corresponding path program 1 times [2019-12-19 03:31:33,412 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 03:31:33,413 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112245488] [2019-12-19 03:31:33,413 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 03:31:33,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 03:31:33,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 03:31:33,499 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112245488] [2019-12-19 03:31:33,499 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 03:31:33,499 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-19 03:31:33,499 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836505275] [2019-12-19 03:31:33,500 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-19 03:31:33,500 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 03:31:33,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-19 03:31:33,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-19 03:31:33,502 INFO L87 Difference]: Start difference. First operand 176149 states and 777056 transitions. Second operand 7 states. [2019-12-19 03:31:41,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 03:31:41,848 INFO L93 Difference]: Finished difference Result 224101 states and 971732 transitions. [2019-12-19 03:31:41,848 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-12-19 03:31:41,848 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 72 [2019-12-19 03:31:41,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 03:31:42,624 INFO L225 Difference]: With dead ends: 224101 [2019-12-19 03:31:42,624 INFO L226 Difference]: Without dead ends: 222901 [2019-12-19 03:31:42,625 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=289, Unknown=0, NotChecked=0, Total=380 [2019-12-19 03:31:44,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222901 states. [2019-12-19 03:31:48,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222901 to 180725. [2019-12-19 03:31:48,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180725 states. [2019-12-19 03:31:48,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180725 states to 180725 states and 796148 transitions. [2019-12-19 03:31:48,779 INFO L78 Accepts]: Start accepts. Automaton has 180725 states and 796148 transitions. Word has length 72 [2019-12-19 03:31:48,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 03:31:48,779 INFO L462 AbstractCegarLoop]: Abstraction has 180725 states and 796148 transitions. [2019-12-19 03:31:48,779 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-19 03:31:48,780 INFO L276 IsEmpty]: Start isEmpty. Operand 180725 states and 796148 transitions. [2019-12-19 03:31:50,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-12-19 03:31:50,196 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 03:31:50,196 INFO L411 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, 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] [2019-12-19 03:31:50,196 INFO L410 AbstractCegarLoop]: === Iteration 8 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 03:31:50,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 03:31:50,196 INFO L82 PathProgramCache]: Analyzing trace with hash 1065266562, now seen corresponding path program 1 times [2019-12-19 03:31:50,197 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 03:31:50,197 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158450108] [2019-12-19 03:31:50,197 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 03:31:50,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 03:31:50,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 03:31:50,299 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158450108] [2019-12-19 03:31:50,299 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 03:31:50,300 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-19 03:31:50,300 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90708176] [2019-12-19 03:31:50,300 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-19 03:31:50,301 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 03:31:50,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-19 03:31:50,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-19 03:31:50,301 INFO L87 Difference]: Start difference. First operand 180725 states and 796148 transitions. Second operand 7 states. [2019-12-19 03:32:00,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 03:32:00,019 INFO L93 Difference]: Finished difference Result 220861 states and 957730 transitions. [2019-12-19 03:32:00,019 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-12-19 03:32:00,019 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 73 [2019-12-19 03:32:00,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 03:32:00,769 INFO L225 Difference]: With dead ends: 220861 [2019-12-19 03:32:00,770 INFO L226 Difference]: Without dead ends: 219861 [2019-12-19 03:32:00,770 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=356, Unknown=0, NotChecked=0, Total=462 [2019-12-19 03:32:02,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219861 states. [2019-12-19 03:32:05,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219861 to 184237. [2019-12-19 03:32:05,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184237 states. [2019-12-19 03:32:06,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184237 states to 184237 states and 810266 transitions. [2019-12-19 03:32:06,696 INFO L78 Accepts]: Start accepts. Automaton has 184237 states and 810266 transitions. Word has length 73 [2019-12-19 03:32:06,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 03:32:06,697 INFO L462 AbstractCegarLoop]: Abstraction has 184237 states and 810266 transitions. [2019-12-19 03:32:06,697 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-19 03:32:06,697 INFO L276 IsEmpty]: Start isEmpty. Operand 184237 states and 810266 transitions. [2019-12-19 03:32:08,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-12-19 03:32:08,105 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 03:32:08,106 INFO L411 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, 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] [2019-12-19 03:32:08,106 INFO L410 AbstractCegarLoop]: === Iteration 9 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 03:32:08,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 03:32:08,106 INFO L82 PathProgramCache]: Analyzing trace with hash -1937054117, now seen corresponding path program 1 times [2019-12-19 03:32:08,106 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 03:32:08,106 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272794665] [2019-12-19 03:32:08,107 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 03:32:08,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 03:32:08,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 03:32:08,230 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272794665] [2019-12-19 03:32:08,230 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 03:32:08,230 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-19 03:32:08,230 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025700577] [2019-12-19 03:32:08,231 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-19 03:32:08,231 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 03:32:08,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-19 03:32:08,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-19 03:32:08,232 INFO L87 Difference]: Start difference. First operand 184237 states and 810266 transitions. Second operand 6 states. [2019-12-19 03:32:17,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 03:32:17,547 INFO L93 Difference]: Finished difference Result 262765 states and 1148126 transitions. [2019-12-19 03:32:17,547 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-19 03:32:17,548 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 75 [2019-12-19 03:32:17,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 03:32:18,500 INFO L225 Difference]: With dead ends: 262765 [2019-12-19 03:32:18,500 INFO L226 Difference]: Without dead ends: 260189 [2019-12-19 03:32:18,501 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-12-19 03:32:20,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260189 states. [2019-12-19 03:32:24,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260189 to 224437. [2019-12-19 03:32:24,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224437 states. [2019-12-19 03:32:26,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224437 states to 224437 states and 986536 transitions. [2019-12-19 03:32:26,119 INFO L78 Accepts]: Start accepts. Automaton has 224437 states and 986536 transitions. Word has length 75 [2019-12-19 03:32:26,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 03:32:26,119 INFO L462 AbstractCegarLoop]: Abstraction has 224437 states and 986536 transitions. [2019-12-19 03:32:26,119 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-19 03:32:26,119 INFO L276 IsEmpty]: Start isEmpty. Operand 224437 states and 986536 transitions. [2019-12-19 03:32:26,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-12-19 03:32:26,362 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 03:32:26,362 INFO L411 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, 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] [2019-12-19 03:32:26,363 INFO L410 AbstractCegarLoop]: === Iteration 10 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 03:32:26,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 03:32:26,363 INFO L82 PathProgramCache]: Analyzing trace with hash -975440100, now seen corresponding path program 1 times [2019-12-19 03:32:26,363 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 03:32:26,363 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915895098] [2019-12-19 03:32:26,363 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 03:32:26,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 03:32:26,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 03:32:26,477 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915895098] [2019-12-19 03:32:26,478 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 03:32:26,478 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-19 03:32:26,478 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830702551] [2019-12-19 03:32:26,478 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-19 03:32:26,479 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 03:32:26,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-19 03:32:26,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-12-19 03:32:26,479 INFO L87 Difference]: Start difference. First operand 224437 states and 986536 transitions. Second operand 7 states. [2019-12-19 03:32:35,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 03:32:35,711 INFO L93 Difference]: Finished difference Result 332389 states and 1421212 transitions. [2019-12-19 03:32:35,712 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-12-19 03:32:35,712 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 75 [2019-12-19 03:32:35,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 03:32:36,865 INFO L225 Difference]: With dead ends: 332389 [2019-12-19 03:32:36,865 INFO L226 Difference]: Without dead ends: 332389 [2019-12-19 03:32:36,866 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2019-12-19 03:32:39,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332389 states. [2019-12-19 03:32:45,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332389 to 304585. [2019-12-19 03:32:45,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304585 states. Received shutdown request... [2019-12-19 03:32:57,281 WARN L527 AbstractCegarLoop]: Verification canceled [2019-12-19 03:32:57,287 WARN L227 ceAbstractionStarter]: Timeout [2019-12-19 03:32:57,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.12 03:32:57 BasicIcfg [2019-12-19 03:32:57,287 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-19 03:32:57,290 INFO L168 Benchmark]: Toolchain (without parser) took 182450.21 ms. Allocated memory was 144.2 MB in the beginning and 5.9 GB in the end (delta: 5.8 GB). Free memory was 100.2 MB in the beginning and 2.7 GB in the end (delta: -2.6 GB). Peak memory consumption was 4.5 GB. Max. memory is 7.1 GB. [2019-12-19 03:32:57,290 INFO L168 Benchmark]: CDTParser took 0.18 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: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-12-19 03:32:57,291 INFO L168 Benchmark]: CACSL2BoogieTranslator took 677.56 ms. Allocated memory was 144.2 MB in the beginning and 201.3 MB in the end (delta: 57.1 MB). Free memory was 99.7 MB in the beginning and 155.4 MB in the end (delta: -55.6 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. [2019-12-19 03:32:57,292 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.62 ms. Allocated memory is still 201.3 MB. Free memory was 154.7 MB in the beginning and 152.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2019-12-19 03:32:57,293 INFO L168 Benchmark]: Boogie Preprocessor took 55.32 ms. Allocated memory is still 201.3 MB. Free memory was 152.0 MB in the beginning and 150.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-19 03:32:57,294 INFO L168 Benchmark]: RCFGBuilder took 778.63 ms. Allocated memory is still 201.3 MB. Free memory was 149.3 MB in the beginning and 103.0 MB in the end (delta: 46.3 MB). Peak memory consumption was 46.3 MB. Max. memory is 7.1 GB. [2019-12-19 03:32:57,294 INFO L168 Benchmark]: TraceAbstraction took 180867.95 ms. Allocated memory was 201.3 MB in the beginning and 5.9 GB in the end (delta: 5.7 GB). Free memory was 103.0 MB in the beginning and 2.7 GB in the end (delta: -2.6 GB). Peak memory consumption was 4.4 GB. Max. memory is 7.1 GB. [2019-12-19 03:32:57,299 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 677.56 ms. Allocated memory was 144.2 MB in the beginning and 201.3 MB in the end (delta: 57.1 MB). Free memory was 99.7 MB in the beginning and 155.4 MB in the end (delta: -55.6 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 65.62 ms. Allocated memory is still 201.3 MB. Free memory was 154.7 MB in the beginning and 152.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 55.32 ms. Allocated memory is still 201.3 MB. Free memory was 152.0 MB in the beginning and 150.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 778.63 ms. Allocated memory is still 201.3 MB. Free memory was 149.3 MB in the beginning and 103.0 MB in the end (delta: 46.3 MB). Peak memory consumption was 46.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 180867.95 ms. Allocated memory was 201.3 MB in the beginning and 5.9 GB in the end (delta: 5.7 GB). Free memory was 103.0 MB in the beginning and 2.7 GB in the end (delta: -2.6 GB). Peak memory consumption was 4.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 4]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 4). Cancelled while ReachableStatesComputation was computing reachable states (123442 states constructedinput type DoubleDeckerAutomaton). - TimeoutResultAtElement [Line: 4]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 4). Cancelled while ReachableStatesComputation was computing reachable states (123442 states constructedinput type DoubleDeckerAutomaton). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 153 locations, 2 error locations. Result: TIMEOUT, OverallTime: 180.7s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 77.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 3413 SDtfs, 4301 SDslu, 8509 SDs, 0 SdLazy, 3746 SolverSat, 291 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 123 GetRequests, 31 SyntacticMatches, 2 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=224437occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 84.0s AutomataMinimizationTime, 10 MinimizatonAttempts, 238876 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 635 NumberOfCodeBlocks, 635 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 625 ConstructedInterpolants, 0 QuantifiedInterpolants, 91511 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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