/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/safe031_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-fae578e [2019-12-19 05:22:13,629 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-19 05:22:13,631 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-19 05:22:13,643 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-19 05:22:13,643 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-19 05:22:13,644 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-19 05:22:13,645 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-19 05:22:13,647 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-19 05:22:13,649 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-19 05:22:13,650 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-19 05:22:13,651 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-19 05:22:13,652 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-19 05:22:13,652 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-19 05:22:13,653 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-19 05:22:13,654 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-19 05:22:13,655 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-19 05:22:13,656 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-19 05:22:13,657 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-19 05:22:13,659 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-19 05:22:13,661 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-19 05:22:13,663 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-19 05:22:13,664 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-19 05:22:13,665 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-19 05:22:13,666 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-19 05:22:13,669 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-19 05:22:13,669 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-19 05:22:13,669 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-19 05:22:13,670 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-19 05:22:13,671 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-19 05:22:13,672 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-19 05:22:13,672 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-19 05:22:13,673 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-19 05:22:13,673 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-19 05:22:13,674 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-19 05:22:13,675 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-19 05:22:13,675 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-19 05:22:13,676 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-19 05:22:13,676 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-19 05:22:13,677 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-19 05:22:13,678 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-19 05:22:13,678 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-19 05:22:13,679 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 05:22:13,694 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-19 05:22:13,694 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-19 05:22:13,695 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-19 05:22:13,695 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-19 05:22:13,696 INFO L138 SettingsManager]: * Use SBE=true [2019-12-19 05:22:13,696 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-19 05:22:13,696 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-19 05:22:13,696 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-19 05:22:13,696 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-19 05:22:13,697 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-19 05:22:13,697 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-19 05:22:13,697 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-19 05:22:13,697 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-19 05:22:13,698 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-19 05:22:13,698 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-19 05:22:13,698 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-19 05:22:13,698 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-19 05:22:13,698 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-19 05:22:13,699 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-19 05:22:13,699 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-19 05:22:13,699 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-19 05:22:13,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-19 05:22:13,699 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-19 05:22:13,700 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-19 05:22:13,700 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-19 05:22:13,700 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-19 05:22:13,700 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-19 05:22:13,700 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-19 05:22:13,701 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-19 05:22:13,701 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-19 05:22:13,964 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-19 05:22:13,979 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-19 05:22:13,983 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-19 05:22:13,984 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-19 05:22:13,985 INFO L275 PluginConnector]: CDTParser initialized [2019-12-19 05:22:13,986 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe031_power.opt.i [2019-12-19 05:22:14,055 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4bf8ce13/87546f9b18ff44a19586cd3310e19e15/FLAGf9fe75d9d [2019-12-19 05:22:14,632 INFO L306 CDTParser]: Found 1 translation units. [2019-12-19 05:22:14,633 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe031_power.opt.i [2019-12-19 05:22:14,661 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4bf8ce13/87546f9b18ff44a19586cd3310e19e15/FLAGf9fe75d9d [2019-12-19 05:22:14,881 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4bf8ce13/87546f9b18ff44a19586cd3310e19e15 [2019-12-19 05:22:14,893 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-19 05:22:14,895 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-19 05:22:14,899 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-19 05:22:14,899 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-19 05:22:14,904 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-19 05:22:14,905 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 05:22:14" (1/1) ... [2019-12-19 05:22:14,908 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20f0f0d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:22:14, skipping insertion in model container [2019-12-19 05:22:14,909 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 05:22:14" (1/1) ... [2019-12-19 05:22:14,917 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-19 05:22:14,974 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-19 05:22:15,457 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-19 05:22:15,469 INFO L203 MainTranslator]: Completed pre-run [2019-12-19 05:22:15,559 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-19 05:22:15,632 INFO L208 MainTranslator]: Completed translation [2019-12-19 05:22:15,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:22:15 WrapperNode [2019-12-19 05:22:15,633 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-19 05:22:15,633 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-19 05:22:15,634 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-19 05:22:15,634 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-19 05:22:15,642 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:22:15" (1/1) ... [2019-12-19 05:22:15,663 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:22:15" (1/1) ... [2019-12-19 05:22:15,699 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-19 05:22:15,700 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-19 05:22:15,700 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-19 05:22:15,700 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-19 05:22:15,708 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:22:15" (1/1) ... [2019-12-19 05:22:15,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:22:15" (1/1) ... [2019-12-19 05:22:15,714 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:22:15" (1/1) ... [2019-12-19 05:22:15,714 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:22:15" (1/1) ... [2019-12-19 05:22:15,724 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:22:15" (1/1) ... [2019-12-19 05:22:15,728 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:22:15" (1/1) ... [2019-12-19 05:22:15,732 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:22:15" (1/1) ... [2019-12-19 05:22:15,737 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-19 05:22:15,738 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-19 05:22:15,738 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-19 05:22:15,738 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-19 05:22:15,739 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:22:15" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-19 05:22:15,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-19 05:22:15,805 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-19 05:22:15,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-19 05:22:15,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-19 05:22:15,805 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-19 05:22:15,805 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-19 05:22:15,805 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-19 05:22:15,806 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-19 05:22:15,806 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-19 05:22:15,806 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-19 05:22:15,806 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-19 05:22:15,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-19 05:22:15,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-19 05:22:15,808 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 05:22:16,541 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-19 05:22:16,541 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-19 05:22:16,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 05:22:16 BoogieIcfgContainer [2019-12-19 05:22:16,543 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-19 05:22:16,545 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-19 05:22:16,545 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-19 05:22:16,548 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-19 05:22:16,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 05:22:14" (1/3) ... [2019-12-19 05:22:16,549 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5553e6dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 05:22:16, skipping insertion in model container [2019-12-19 05:22:16,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:22:15" (2/3) ... [2019-12-19 05:22:16,550 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5553e6dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 05:22:16, skipping insertion in model container [2019-12-19 05:22:16,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 05:22:16" (3/3) ... [2019-12-19 05:22:16,552 INFO L109 eAbstractionObserver]: Analyzing ICFG safe031_power.opt.i [2019-12-19 05:22:16,564 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-19 05:22:16,564 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-19 05:22:16,575 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-12-19 05:22:16,577 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-19 05:22:16,617 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,618 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,618 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,619 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,619 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,619 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,620 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,620 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,620 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,621 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,621 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,621 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,621 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,622 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,622 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,622 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,623 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,623 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,623 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,623 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,624 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,624 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,624 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,631 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,631 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,632 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,632 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,632 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,633 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,633 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,633 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,634 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,634 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,634 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,634 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,635 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,638 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,638 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,638 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,639 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,640 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,640 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,640 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,641 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,641 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,641 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,642 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,642 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,643 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,643 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,644 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,644 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,644 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,644 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,645 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,645 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,645 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,645 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,646 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,646 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,646 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,646 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,647 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,647 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,647 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,647 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,648 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,648 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,648 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,649 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,653 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,654 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,654 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,654 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,654 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,655 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,655 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,655 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,655 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,656 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,657 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,657 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,660 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,661 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,661 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,662 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,665 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,666 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,666 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,666 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,666 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,667 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,667 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,667 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,667 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,667 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:16,684 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-12-19 05:22:16,700 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-19 05:22:16,700 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-19 05:22:16,701 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-19 05:22:16,701 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-19 05:22:16,701 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-19 05:22:16,701 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-19 05:22:16,701 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-19 05:22:16,701 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-19 05:22:16,717 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 162 places, 193 transitions [2019-12-19 05:22:30,016 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 92465 states. [2019-12-19 05:22:30,018 INFO L276 IsEmpty]: Start isEmpty. Operand 92465 states. [2019-12-19 05:22:30,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-12-19 05:22:30,033 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:22:30,034 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 05:22:30,035 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 05:22:30,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:22:30,042 INFO L82 PathProgramCache]: Analyzing trace with hash 799143583, now seen corresponding path program 1 times [2019-12-19 05:22:30,050 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:22:30,051 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975619273] [2019-12-19 05:22:30,051 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:22:30,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:22:30,362 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 05:22:30,362 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975619273] [2019-12-19 05:22:30,363 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:22:30,364 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-19 05:22:30,365 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058212710] [2019-12-19 05:22:30,372 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-19 05:22:30,372 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:22:30,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-19 05:22:30,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-19 05:22:30,391 INFO L87 Difference]: Start difference. First operand 92465 states. Second operand 4 states. [2019-12-19 05:22:31,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:22:31,415 INFO L93 Difference]: Finished difference Result 96401 states and 448737 transitions. [2019-12-19 05:22:31,416 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-19 05:22:31,417 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 44 [2019-12-19 05:22:31,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:22:34,724 INFO L225 Difference]: With dead ends: 96401 [2019-12-19 05:22:34,724 INFO L226 Difference]: Without dead ends: 85521 [2019-12-19 05:22:34,727 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 05:22:35,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85521 states. [2019-12-19 05:22:37,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85521 to 85521. [2019-12-19 05:22:37,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85521 states. [2019-12-19 05:22:41,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85521 states to 85521 states and 400697 transitions. [2019-12-19 05:22:41,094 INFO L78 Accepts]: Start accepts. Automaton has 85521 states and 400697 transitions. Word has length 44 [2019-12-19 05:22:41,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:22:41,096 INFO L462 AbstractCegarLoop]: Abstraction has 85521 states and 400697 transitions. [2019-12-19 05:22:41,096 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-19 05:22:41,096 INFO L276 IsEmpty]: Start isEmpty. Operand 85521 states and 400697 transitions. [2019-12-19 05:22:41,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-19 05:22:41,107 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:22:41,107 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 05:22:41,108 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 05:22:41,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:22:41,108 INFO L82 PathProgramCache]: Analyzing trace with hash 727988385, now seen corresponding path program 1 times [2019-12-19 05:22:41,108 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:22:41,109 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754603202] [2019-12-19 05:22:41,109 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:22:41,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:22:41,237 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 05:22:41,238 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754603202] [2019-12-19 05:22:41,238 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:22:41,238 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-19 05:22:41,239 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654247074] [2019-12-19 05:22:41,241 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-19 05:22:41,241 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:22:41,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-19 05:22:41,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-19 05:22:41,242 INFO L87 Difference]: Start difference. First operand 85521 states and 400697 transitions. Second operand 5 states. [2019-12-19 05:22:46,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:22:46,273 INFO L93 Difference]: Finished difference Result 139649 states and 623533 transitions. [2019-12-19 05:22:46,273 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-19 05:22:46,273 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2019-12-19 05:22:46,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:22:46,823 INFO L225 Difference]: With dead ends: 139649 [2019-12-19 05:22:46,823 INFO L226 Difference]: Without dead ends: 138929 [2019-12-19 05:22:46,824 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 05:22:47,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138929 states. [2019-12-19 05:22:50,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138929 to 132785. [2019-12-19 05:22:50,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132785 states. [2019-12-19 05:22:56,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132785 states to 132785 states and 597161 transitions. [2019-12-19 05:22:56,752 INFO L78 Accepts]: Start accepts. Automaton has 132785 states and 597161 transitions. Word has length 51 [2019-12-19 05:22:56,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:22:56,752 INFO L462 AbstractCegarLoop]: Abstraction has 132785 states and 597161 transitions. [2019-12-19 05:22:56,753 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-19 05:22:56,753 INFO L276 IsEmpty]: Start isEmpty. Operand 132785 states and 597161 transitions. [2019-12-19 05:22:56,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-19 05:22:56,762 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:22:56,762 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 05:22:56,762 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 05:22:56,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:22:56,763 INFO L82 PathProgramCache]: Analyzing trace with hash 893608449, now seen corresponding path program 1 times [2019-12-19 05:22:56,763 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:22:56,763 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143206859] [2019-12-19 05:22:56,763 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:22:56,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:22:56,847 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 05:22:56,848 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143206859] [2019-12-19 05:22:56,848 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:22:56,848 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-19 05:22:56,849 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037542833] [2019-12-19 05:22:56,850 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-19 05:22:56,850 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:22:56,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-19 05:22:56,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-19 05:22:56,851 INFO L87 Difference]: Start difference. First operand 132785 states and 597161 transitions. Second operand 5 states. [2019-12-19 05:23:03,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:23:03,568 INFO L93 Difference]: Finished difference Result 161553 states and 717781 transitions. [2019-12-19 05:23:03,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-19 05:23:03,569 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2019-12-19 05:23:03,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:23:04,202 INFO L225 Difference]: With dead ends: 161553 [2019-12-19 05:23:04,203 INFO L226 Difference]: Without dead ends: 160753 [2019-12-19 05:23:04,203 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 05:23:05,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160753 states. [2019-12-19 05:23:07,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160753 to 139077. [2019-12-19 05:23:07,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139077 states. [2019-12-19 05:23:08,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139077 states to 139077 states and 623064 transitions. [2019-12-19 05:23:08,255 INFO L78 Accepts]: Start accepts. Automaton has 139077 states and 623064 transitions. Word has length 52 [2019-12-19 05:23:08,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:23:08,255 INFO L462 AbstractCegarLoop]: Abstraction has 139077 states and 623064 transitions. [2019-12-19 05:23:08,255 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-19 05:23:08,255 INFO L276 IsEmpty]: Start isEmpty. Operand 139077 states and 623064 transitions. [2019-12-19 05:23:08,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-12-19 05:23:08,293 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:23:08,293 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 05:23:08,293 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 05:23:08,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:23:08,294 INFO L82 PathProgramCache]: Analyzing trace with hash 472678915, now seen corresponding path program 1 times [2019-12-19 05:23:08,294 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:23:08,294 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851847542] [2019-12-19 05:23:08,294 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:23:09,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:23:09,499 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 05:23:09,500 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851847542] [2019-12-19 05:23:09,500 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:23:09,500 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-19 05:23:09,504 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602503037] [2019-12-19 05:23:09,504 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-19 05:23:09,504 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:23:09,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-19 05:23:09,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-19 05:23:09,505 INFO L87 Difference]: Start difference. First operand 139077 states and 623064 transitions. Second operand 6 states. [2019-12-19 05:23:11,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:23:11,259 INFO L93 Difference]: Finished difference Result 183581 states and 805090 transitions. [2019-12-19 05:23:11,260 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-12-19 05:23:11,260 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 59 [2019-12-19 05:23:11,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:23:18,660 INFO L225 Difference]: With dead ends: 183581 [2019-12-19 05:23:18,660 INFO L226 Difference]: Without dead ends: 182861 [2019-12-19 05:23:18,661 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 05:23:19,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182861 states. [2019-12-19 05:23:22,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182861 to 134929. [2019-12-19 05:23:22,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134929 states. [2019-12-19 05:23:22,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134929 states to 134929 states and 604573 transitions. [2019-12-19 05:23:22,745 INFO L78 Accepts]: Start accepts. Automaton has 134929 states and 604573 transitions. Word has length 59 [2019-12-19 05:23:22,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:23:22,746 INFO L462 AbstractCegarLoop]: Abstraction has 134929 states and 604573 transitions. [2019-12-19 05:23:22,746 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-19 05:23:22,746 INFO L276 IsEmpty]: Start isEmpty. Operand 134929 states and 604573 transitions. [2019-12-19 05:23:22,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-12-19 05:23:22,820 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:23:22,820 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 05:23:22,821 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 05:23:22,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:23:22,821 INFO L82 PathProgramCache]: Analyzing trace with hash 1134933375, now seen corresponding path program 1 times [2019-12-19 05:23:22,821 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:23:22,822 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769315648] [2019-12-19 05:23:22,822 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:23:22,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:23:22,911 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 05:23:22,912 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769315648] [2019-12-19 05:23:22,912 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:23:22,912 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-19 05:23:22,912 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897580316] [2019-12-19 05:23:22,913 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-19 05:23:22,913 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:23:22,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-19 05:23:22,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-19 05:23:22,914 INFO L87 Difference]: Start difference. First operand 134929 states and 604573 transitions. Second operand 6 states. [2019-12-19 05:23:25,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:23:25,329 INFO L93 Difference]: Finished difference Result 185113 states and 812727 transitions. [2019-12-19 05:23:25,329 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-12-19 05:23:25,329 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2019-12-19 05:23:25,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:23:25,929 INFO L225 Difference]: With dead ends: 185113 [2019-12-19 05:23:25,929 INFO L226 Difference]: Without dead ends: 183913 [2019-12-19 05:23:25,930 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 05:23:33,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183913 states. [2019-12-19 05:23:36,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183913 to 160429. [2019-12-19 05:23:36,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160429 states. [2019-12-19 05:23:36,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160429 states to 160429 states and 711514 transitions. [2019-12-19 05:23:36,964 INFO L78 Accepts]: Start accepts. Automaton has 160429 states and 711514 transitions. Word has length 66 [2019-12-19 05:23:36,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:23:36,964 INFO L462 AbstractCegarLoop]: Abstraction has 160429 states and 711514 transitions. [2019-12-19 05:23:36,964 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-19 05:23:36,964 INFO L276 IsEmpty]: Start isEmpty. Operand 160429 states and 711514 transitions. [2019-12-19 05:23:37,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-12-19 05:23:37,073 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:23:37,073 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 05:23:37,073 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 05:23:37,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:23:37,074 INFO L82 PathProgramCache]: Analyzing trace with hash 770590772, now seen corresponding path program 1 times [2019-12-19 05:23:37,074 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:23:37,074 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176937660] [2019-12-19 05:23:37,074 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:23:37,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:23:37,141 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 05:23:37,142 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176937660] [2019-12-19 05:23:37,142 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:23:37,142 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-19 05:23:37,142 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663016861] [2019-12-19 05:23:37,143 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-19 05:23:37,143 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:23:37,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-19 05:23:37,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-19 05:23:37,144 INFO L87 Difference]: Start difference. First operand 160429 states and 711514 transitions. Second operand 3 states. [2019-12-19 05:23:39,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:23:39,312 INFO L93 Difference]: Finished difference Result 202237 states and 884074 transitions. [2019-12-19 05:23:39,312 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-19 05:23:39,312 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2019-12-19 05:23:39,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:23:47,265 INFO L225 Difference]: With dead ends: 202237 [2019-12-19 05:23:47,265 INFO L226 Difference]: Without dead ends: 202237 [2019-12-19 05:23:47,265 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 05:23:48,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202237 states. [2019-12-19 05:23:51,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202237 to 176149. [2019-12-19 05:23:51,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176149 states. [2019-12-19 05:23:53,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176149 states to 176149 states and 777056 transitions. [2019-12-19 05:23:53,090 INFO L78 Accepts]: Start accepts. Automaton has 176149 states and 777056 transitions. Word has length 68 [2019-12-19 05:23:53,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:23:53,091 INFO L462 AbstractCegarLoop]: Abstraction has 176149 states and 777056 transitions. [2019-12-19 05:23:53,091 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-19 05:23:53,091 INFO L276 IsEmpty]: Start isEmpty. Operand 176149 states and 777056 transitions. [2019-12-19 05:23:53,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-12-19 05:23:53,280 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:23:53,280 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 05:23:53,280 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 05:23:53,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:23:53,281 INFO L82 PathProgramCache]: Analyzing trace with hash -262866000, now seen corresponding path program 1 times [2019-12-19 05:23:53,281 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:23:53,281 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758535546] [2019-12-19 05:23:53,282 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:23:53,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:23:53,404 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 05:23:53,405 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758535546] [2019-12-19 05:23:53,405 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:23:53,405 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-19 05:23:53,406 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783758112] [2019-12-19 05:23:53,406 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-19 05:23:53,406 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:23:53,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-19 05:23:53,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-19 05:23:53,408 INFO L87 Difference]: Start difference. First operand 176149 states and 777056 transitions. Second operand 7 states. [2019-12-19 05:24:01,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:24:01,506 INFO L93 Difference]: Finished difference Result 224101 states and 971732 transitions. [2019-12-19 05:24:01,507 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-12-19 05:24:01,507 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 72 [2019-12-19 05:24:01,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:24:02,356 INFO L225 Difference]: With dead ends: 224101 [2019-12-19 05:24:02,357 INFO L226 Difference]: Without dead ends: 222901 [2019-12-19 05:24:02,357 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 05:24:04,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222901 states. [2019-12-19 05:24:08,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222901 to 180725. [2019-12-19 05:24:08,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180725 states. [2019-12-19 05:24:08,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180725 states to 180725 states and 796148 transitions. [2019-12-19 05:24:08,894 INFO L78 Accepts]: Start accepts. Automaton has 180725 states and 796148 transitions. Word has length 72 [2019-12-19 05:24:08,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:24:08,894 INFO L462 AbstractCegarLoop]: Abstraction has 180725 states and 796148 transitions. [2019-12-19 05:24:08,895 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-19 05:24:08,895 INFO L276 IsEmpty]: Start isEmpty. Operand 180725 states and 796148 transitions. [2019-12-19 05:24:09,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-12-19 05:24:09,049 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:24:09,049 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 05:24:09,050 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 05:24:09,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:24:09,050 INFO L82 PathProgramCache]: Analyzing trace with hash 2144184833, now seen corresponding path program 1 times [2019-12-19 05:24:09,050 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:24:09,050 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575998783] [2019-12-19 05:24:09,051 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:24:09,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:24:10,804 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 05:24:10,804 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575998783] [2019-12-19 05:24:10,805 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:24:10,805 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-19 05:24:10,805 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651224071] [2019-12-19 05:24:10,806 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-19 05:24:10,806 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:24:10,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-19 05:24:10,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-19 05:24:10,806 INFO L87 Difference]: Start difference. First operand 180725 states and 796148 transitions. Second operand 7 states. [2019-12-19 05:24:20,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:24:20,569 INFO L93 Difference]: Finished difference Result 220861 states and 957730 transitions. [2019-12-19 05:24:20,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-12-19 05:24:20,569 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 73 [2019-12-19 05:24:20,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:24:21,400 INFO L225 Difference]: With dead ends: 220861 [2019-12-19 05:24:21,400 INFO L226 Difference]: Without dead ends: 219861 [2019-12-19 05:24:21,400 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 05:24:22,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219861 states. [2019-12-19 05:24:26,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219861 to 184237. [2019-12-19 05:24:26,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184237 states. [2019-12-19 05:24:27,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184237 states to 184237 states and 810266 transitions. [2019-12-19 05:24:27,522 INFO L78 Accepts]: Start accepts. Automaton has 184237 states and 810266 transitions. Word has length 73 [2019-12-19 05:24:27,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:24:27,523 INFO L462 AbstractCegarLoop]: Abstraction has 184237 states and 810266 transitions. [2019-12-19 05:24:27,523 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-19 05:24:27,523 INFO L276 IsEmpty]: Start isEmpty. Operand 184237 states and 810266 transitions. [2019-12-19 05:24:27,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-12-19 05:24:27,694 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:24:27,694 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 05:24:27,694 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 05:24:27,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:24:27,694 INFO L82 PathProgramCache]: Analyzing trace with hash 698442490, now seen corresponding path program 1 times [2019-12-19 05:24:27,695 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:24:27,695 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567522361] [2019-12-19 05:24:27,695 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:24:27,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:24:27,827 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 05:24:27,827 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567522361] [2019-12-19 05:24:27,827 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:24:27,827 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-19 05:24:27,828 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086180988] [2019-12-19 05:24:27,828 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-19 05:24:27,828 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:24:27,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-19 05:24:27,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-19 05:24:27,829 INFO L87 Difference]: Start difference. First operand 184237 states and 810266 transitions. Second operand 6 states. [2019-12-19 05:24:38,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:24:38,397 INFO L93 Difference]: Finished difference Result 262765 states and 1148126 transitions. [2019-12-19 05:24:38,398 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-19 05:24:38,398 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 75 [2019-12-19 05:24:38,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:24:39,411 INFO L225 Difference]: With dead ends: 262765 [2019-12-19 05:24:39,411 INFO L226 Difference]: Without dead ends: 260189 [2019-12-19 05:24:39,412 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 05:24:40,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260189 states. [2019-12-19 05:24:45,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260189 to 224437. [2019-12-19 05:24:45,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224437 states. [2019-12-19 05:24:47,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224437 states to 224437 states and 986536 transitions. [2019-12-19 05:24:47,026 INFO L78 Accepts]: Start accepts. Automaton has 224437 states and 986536 transitions. Word has length 75 [2019-12-19 05:24:47,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:24:47,026 INFO L462 AbstractCegarLoop]: Abstraction has 224437 states and 986536 transitions. [2019-12-19 05:24:47,026 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-19 05:24:47,026 INFO L276 IsEmpty]: Start isEmpty. Operand 224437 states and 986536 transitions. [2019-12-19 05:24:47,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-12-19 05:24:47,274 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:24:47,274 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 05:24:47,274 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 05:24:47,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:24:47,274 INFO L82 PathProgramCache]: Analyzing trace with hash 1660056507, now seen corresponding path program 1 times [2019-12-19 05:24:47,274 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:24:47,275 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011561881] [2019-12-19 05:24:47,275 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:24:47,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:24:47,418 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 05:24:47,419 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011561881] [2019-12-19 05:24:47,419 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:24:47,419 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-19 05:24:47,419 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168620623] [2019-12-19 05:24:47,420 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-19 05:24:47,420 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:24:47,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-19 05:24:47,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-12-19 05:24:47,420 INFO L87 Difference]: Start difference. First operand 224437 states and 986536 transitions. Second operand 7 states. [2019-12-19 05:24:56,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:24:56,998 INFO L93 Difference]: Finished difference Result 332389 states and 1421212 transitions. [2019-12-19 05:24:56,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-12-19 05:24:56,999 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 75 [2019-12-19 05:24:56,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:24:58,187 INFO L225 Difference]: With dead ends: 332389 [2019-12-19 05:24:58,187 INFO L226 Difference]: Without dead ends: 332389 [2019-12-19 05:24:58,187 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2019-12-19 05:25:00,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332389 states. [2019-12-19 05:25:12,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332389 to 304585. [2019-12-19 05:25:12,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304585 states. [2019-12-19 05:25:14,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304585 states to 304585 states and 1311827 transitions. [2019-12-19 05:25:14,220 INFO L78 Accepts]: Start accepts. Automaton has 304585 states and 1311827 transitions. Word has length 75 [2019-12-19 05:25:14,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:25:14,221 INFO L462 AbstractCegarLoop]: Abstraction has 304585 states and 1311827 transitions. [2019-12-19 05:25:14,221 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-19 05:25:14,221 INFO L276 IsEmpty]: Start isEmpty. Operand 304585 states and 1311827 transitions. Received shutdown request... [2019-12-19 05:25:23,917 WARN L527 AbstractCegarLoop]: Verification canceled [2019-12-19 05:25:23,922 WARN L227 ceAbstractionStarter]: Timeout [2019-12-19 05:25:23,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.12 05:25:23 BasicIcfg [2019-12-19 05:25:23,922 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-19 05:25:23,926 INFO L168 Benchmark]: Toolchain (without parser) took 189029.85 ms. Allocated memory was 136.8 MB in the beginning and 5.8 GB in the end (delta: 5.6 GB). Free memory was 98.9 MB in the beginning and 3.1 GB in the end (delta: -3.0 GB). Peak memory consumption was 4.3 GB. Max. memory is 7.1 GB. [2019-12-19 05:25:23,927 INFO L168 Benchmark]: CDTParser took 1.33 ms. Allocated memory is still 136.8 MB. Free memory was 118.7 MB in the beginning and 118.5 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-12-19 05:25:23,928 INFO L168 Benchmark]: CACSL2BoogieTranslator took 734.06 ms. Allocated memory was 136.8 MB in the beginning and 200.3 MB in the end (delta: 63.4 MB). Free memory was 98.4 MB in the beginning and 154.5 MB in the end (delta: -56.0 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. [2019-12-19 05:25:23,935 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.21 ms. Allocated memory is still 200.3 MB. Free memory was 154.5 MB in the beginning and 151.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2019-12-19 05:25:23,935 INFO L168 Benchmark]: Boogie Preprocessor took 37.78 ms. Allocated memory is still 200.3 MB. Free memory was 151.6 MB in the beginning and 148.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2019-12-19 05:25:23,936 INFO L168 Benchmark]: RCFGBuilder took 805.27 ms. Allocated memory is still 200.3 MB. Free memory was 148.8 MB in the beginning and 102.7 MB in the end (delta: 46.0 MB). Peak memory consumption was 46.0 MB. Max. memory is 7.1 GB. [2019-12-19 05:25:23,937 INFO L168 Benchmark]: TraceAbstraction took 187377.81 ms. Allocated memory was 200.3 MB in the beginning and 5.8 GB in the end (delta: 5.6 GB). Free memory was 102.1 MB in the beginning and 3.1 GB in the end (delta: -3.0 GB). Peak memory consumption was 4.3 GB. Max. memory is 7.1 GB. [2019-12-19 05:25:23,941 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.33 ms. Allocated memory is still 136.8 MB. Free memory was 118.7 MB in the beginning and 118.5 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 734.06 ms. Allocated memory was 136.8 MB in the beginning and 200.3 MB in the end (delta: 63.4 MB). Free memory was 98.4 MB in the beginning and 154.5 MB in the end (delta: -56.0 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 66.21 ms. Allocated memory is still 200.3 MB. Free memory was 154.5 MB in the beginning and 151.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 37.78 ms. Allocated memory is still 200.3 MB. Free memory was 151.6 MB in the beginning and 148.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 805.27 ms. Allocated memory is still 200.3 MB. Free memory was 148.8 MB in the beginning and 102.7 MB in the end (delta: 46.0 MB). Peak memory consumption was 46.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 187377.81 ms. Allocated memory was 200.3 MB in the beginning and 5.8 GB in the end (delta: 5.6 GB). Free memory was 102.1 MB in the beginning and 3.1 GB in the end (delta: -3.0 GB). Peak memory consumption was 4.3 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 IsEmpty was searching accepting run (input had 304585 states). - TimeoutResultAtElement [Line: 4]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 4). Cancelled while IsEmpty was searching accepting run (input had 304585 states). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 153 locations, 2 error locations. Result: TIMEOUT, OverallTime: 187.2s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 81.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 3510 SDtfs, 4232 SDslu, 8656 SDs, 0 SdLazy, 3743 SolverSat, 295 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 123 GetRequests, 31 SyntacticMatches, 2 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=304585occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 77.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 266680 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.5s 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