/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-wmm/thin001_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-60655ea [2020-09-15 00:20:16,668 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-15 00:20:16,673 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-15 00:20:16,714 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-15 00:20:16,714 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-15 00:20:16,723 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-15 00:20:16,726 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-15 00:20:16,730 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-15 00:20:16,733 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-15 00:20:16,736 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-15 00:20:16,737 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-15 00:20:16,738 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-15 00:20:16,738 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-15 00:20:16,741 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-15 00:20:16,744 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-15 00:20:16,746 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-15 00:20:16,748 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-15 00:20:16,749 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-15 00:20:16,751 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-15 00:20:16,762 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-15 00:20:16,766 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-15 00:20:16,767 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-15 00:20:16,768 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-15 00:20:16,769 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-15 00:20:16,781 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-15 00:20:16,789 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-15 00:20:16,790 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-15 00:20:16,793 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-15 00:20:16,794 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-15 00:20:16,795 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-15 00:20:16,796 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-15 00:20:16,801 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-15 00:20:16,802 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-15 00:20:16,802 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-15 00:20:16,803 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-15 00:20:16,804 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-15 00:20:16,805 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-15 00:20:16,837 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-15 00:20:16,838 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-15 00:20:16,839 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-15 00:20:16,839 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-15 00:20:16,840 INFO L138 SettingsManager]: * Use SBE=true [2020-09-15 00:20:16,840 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-15 00:20:16,840 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-15 00:20:16,840 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-15 00:20:16,841 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-15 00:20:16,841 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-15 00:20:16,841 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-15 00:20:16,841 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-15 00:20:16,841 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-15 00:20:16,842 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-15 00:20:16,842 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-15 00:20:16,842 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-15 00:20:16,842 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-15 00:20:16,842 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-15 00:20:16,843 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-15 00:20:16,843 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-15 00:20:16,843 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-15 00:20:16,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-15 00:20:16,843 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-15 00:20:16,844 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-15 00:20:16,844 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-15 00:20:16,844 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-15 00:20:16,844 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-15 00:20:16,845 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-15 00:20:16,845 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-15 00:20:16,845 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-15 00:20:17,301 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-15 00:20:17,325 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-15 00:20:17,330 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-15 00:20:17,334 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-15 00:20:17,334 INFO L275 PluginConnector]: CDTParser initialized [2020-09-15 00:20:17,336 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/thin001_tso.oepc.i [2020-09-15 00:20:17,421 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/deabd93e1/e0dae031020044c282747aca0df4923c/FLAG376a589ee [2020-09-15 00:20:18,027 INFO L306 CDTParser]: Found 1 translation units. [2020-09-15 00:20:18,028 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-wmm/thin001_tso.oepc.i [2020-09-15 00:20:18,045 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/deabd93e1/e0dae031020044c282747aca0df4923c/FLAG376a589ee [2020-09-15 00:20:18,289 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/deabd93e1/e0dae031020044c282747aca0df4923c [2020-09-15 00:20:18,301 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-15 00:20:18,307 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-09-15 00:20:18,309 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-15 00:20:18,309 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-15 00:20:18,314 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-15 00:20:18,315 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 12:20:18" (1/1) ... [2020-09-15 00:20:18,320 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a0f7ff4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:20:18, skipping insertion in model container [2020-09-15 00:20:18,320 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 12:20:18" (1/1) ... [2020-09-15 00:20:18,327 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-15 00:20:18,377 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-15 00:20:18,905 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-15 00:20:18,926 INFO L203 MainTranslator]: Completed pre-run [2020-09-15 00:20:19,017 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-15 00:20:19,108 INFO L208 MainTranslator]: Completed translation [2020-09-15 00:20:19,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:20:19 WrapperNode [2020-09-15 00:20:19,109 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-15 00:20:19,110 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-09-15 00:20:19,110 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-09-15 00:20:19,111 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-09-15 00:20:19,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:20:19" (1/1) ... [2020-09-15 00:20:19,142 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:20:19" (1/1) ... [2020-09-15 00:20:19,167 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-09-15 00:20:19,167 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-15 00:20:19,167 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-15 00:20:19,167 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-15 00:20:19,177 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:20:19" (1/1) ... [2020-09-15 00:20:19,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:20:19" (1/1) ... [2020-09-15 00:20:19,180 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:20:19" (1/1) ... [2020-09-15 00:20:19,181 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:20:19" (1/1) ... [2020-09-15 00:20:19,188 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:20:19" (1/1) ... [2020-09-15 00:20:19,193 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:20:19" (1/1) ... [2020-09-15 00:20:19,195 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:20:19" (1/1) ... [2020-09-15 00:20:19,199 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-15 00:20:19,199 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-15 00:20:19,200 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-15 00:20:19,200 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-15 00:20:19,201 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:20:19" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-15 00:20:19,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-15 00:20:19,305 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-09-15 00:20:19,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-15 00:20:19,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-15 00:20:19,306 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-09-15 00:20:19,306 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-09-15 00:20:19,306 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-09-15 00:20:19,307 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-09-15 00:20:19,307 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-09-15 00:20:19,307 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-09-15 00:20:19,307 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-09-15 00:20:19,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-15 00:20:19,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-15 00:20:19,310 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-09-15 00:20:19,724 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-15 00:20:19,724 INFO L295 CfgBuilder]: Removed 8 assume(true) statements. [2020-09-15 00:20:19,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 12:20:19 BoogieIcfgContainer [2020-09-15 00:20:19,730 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-15 00:20:19,731 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-15 00:20:19,731 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-15 00:20:19,735 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-15 00:20:19,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 12:20:18" (1/3) ... [2020-09-15 00:20:19,737 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27d37eb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 12:20:19, skipping insertion in model container [2020-09-15 00:20:19,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:20:19" (2/3) ... [2020-09-15 00:20:19,737 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27d37eb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 12:20:19, skipping insertion in model container [2020-09-15 00:20:19,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 12:20:19" (3/3) ... [2020-09-15 00:20:19,740 INFO L109 eAbstractionObserver]: Analyzing ICFG thin001_tso.oepc.i [2020-09-15 00:20:19,752 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-09-15 00:20:19,752 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-15 00:20:19,763 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-15 00:20:19,764 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-09-15 00:20:19,794 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 00:20:19,795 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 00:20:19,795 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 00:20:19,795 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 00:20:19,796 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 00:20:19,796 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 00:20:19,797 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 00:20:19,797 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 00:20:19,797 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 00:20:19,797 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 00:20:19,798 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 00:20:19,798 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 00:20:19,799 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 00:20:19,799 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 00:20:19,799 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 00:20:19,799 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 00:20:19,800 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 00:20:19,800 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 00:20:19,805 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 00:20:19,805 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 00:20:19,805 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 00:20:19,806 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 00:20:19,816 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 00:20:19,816 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 00:20:19,816 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 00:20:19,817 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 00:20:19,820 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 00:20:19,821 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 00:20:19,821 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 00:20:19,821 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 00:20:19,847 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-09-15 00:20:19,871 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-15 00:20:19,871 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-15 00:20:19,871 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-15 00:20:19,871 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-15 00:20:19,872 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-15 00:20:19,872 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-15 00:20:19,872 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-15 00:20:19,872 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-15 00:20:19,890 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 71 transitions, 157 flow [2020-09-15 00:20:19,893 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 79 places, 71 transitions, 157 flow [2020-09-15 00:20:19,945 INFO L129 PetriNetUnfolder]: 2/68 cut-off events. [2020-09-15 00:20:19,946 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-09-15 00:20:19,952 INFO L80 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 68 events. 2/68 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 51 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2020-09-15 00:20:19,955 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 79 places, 71 transitions, 157 flow [2020-09-15 00:20:19,976 INFO L129 PetriNetUnfolder]: 2/68 cut-off events. [2020-09-15 00:20:19,976 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-09-15 00:20:19,977 INFO L80 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 68 events. 2/68 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 51 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2020-09-15 00:20:19,979 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1260 [2020-09-15 00:20:19,981 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-09-15 00:20:21,576 INFO L206 etLargeBlockEncoding]: Checked pairs total: 2463 [2020-09-15 00:20:21,576 INFO L214 etLargeBlockEncoding]: Total number of compositions: 57 [2020-09-15 00:20:21,581 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 32 places, 23 transitions, 61 flow [2020-09-15 00:20:21,612 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 362 states. [2020-09-15 00:20:21,614 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states. [2020-09-15 00:20:21,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-09-15 00:20:21,624 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 00:20:21,625 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 00:20:21,625 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 00:20:21,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 00:20:21,632 INFO L82 PathProgramCache]: Analyzing trace with hash -691335731, now seen corresponding path program 1 times [2020-09-15 00:20:21,642 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 00:20:21,643 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636071234] [2020-09-15 00:20:21,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 00:20:21,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 00:20:21,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 00:20:21,841 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636071234] [2020-09-15 00:20:21,842 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 00:20:21,843 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-09-15 00:20:21,843 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617580217] [2020-09-15 00:20:21,850 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-09-15 00:20:21,850 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 00:20:21,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-09-15 00:20:21,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-09-15 00:20:21,872 INFO L87 Difference]: Start difference. First operand 362 states. Second operand 2 states. [2020-09-15 00:20:21,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 00:20:21,908 INFO L93 Difference]: Finished difference Result 362 states and 1072 transitions. [2020-09-15 00:20:21,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-09-15 00:20:21,910 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2020-09-15 00:20:21,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 00:20:21,931 INFO L225 Difference]: With dead ends: 362 [2020-09-15 00:20:21,932 INFO L226 Difference]: Without dead ends: 298 [2020-09-15 00:20:21,934 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-09-15 00:20:21,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2020-09-15 00:20:22,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 298. [2020-09-15 00:20:22,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-09-15 00:20:22,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 864 transitions. [2020-09-15 00:20:22,033 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 864 transitions. Word has length 8 [2020-09-15 00:20:22,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 00:20:22,037 INFO L479 AbstractCegarLoop]: Abstraction has 298 states and 864 transitions. [2020-09-15 00:20:22,037 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-09-15 00:20:22,037 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 864 transitions. [2020-09-15 00:20:22,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-09-15 00:20:22,039 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 00:20:22,041 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 00:20:22,042 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-15 00:20:22,042 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 00:20:22,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 00:20:22,043 INFO L82 PathProgramCache]: Analyzing trace with hash 43425274, now seen corresponding path program 1 times [2020-09-15 00:20:22,043 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 00:20:22,043 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153238402] [2020-09-15 00:20:22,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 00:20:22,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 00:20:22,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 00:20:22,229 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153238402] [2020-09-15 00:20:22,229 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 00:20:22,229 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-15 00:20:22,230 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826599913] [2020-09-15 00:20:22,231 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-15 00:20:22,232 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 00:20:22,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-15 00:20:22,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-15 00:20:22,233 INFO L87 Difference]: Start difference. First operand 298 states and 864 transitions. Second operand 5 states. [2020-09-15 00:20:22,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 00:20:22,316 INFO L93 Difference]: Finished difference Result 330 states and 912 transitions. [2020-09-15 00:20:22,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-15 00:20:22,317 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2020-09-15 00:20:22,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 00:20:22,320 INFO L225 Difference]: With dead ends: 330 [2020-09-15 00:20:22,320 INFO L226 Difference]: Without dead ends: 266 [2020-09-15 00:20:22,322 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-15 00:20:22,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-09-15 00:20:22,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2020-09-15 00:20:22,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-09-15 00:20:22,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 752 transitions. [2020-09-15 00:20:22,343 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 752 transitions. Word has length 9 [2020-09-15 00:20:22,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 00:20:22,343 INFO L479 AbstractCegarLoop]: Abstraction has 266 states and 752 transitions. [2020-09-15 00:20:22,343 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-15 00:20:22,343 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 752 transitions. [2020-09-15 00:20:22,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-09-15 00:20:22,345 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 00:20:22,345 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 00:20:22,345 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-15 00:20:22,346 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 00:20:22,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 00:20:22,346 INFO L82 PathProgramCache]: Analyzing trace with hash 1226466257, now seen corresponding path program 1 times [2020-09-15 00:20:22,346 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 00:20:22,347 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065126502] [2020-09-15 00:20:22,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 00:20:22,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 00:20:22,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 00:20:22,502 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065126502] [2020-09-15 00:20:22,502 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 00:20:22,502 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-15 00:20:22,502 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677232659] [2020-09-15 00:20:22,503 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-15 00:20:22,503 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 00:20:22,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-15 00:20:22,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-09-15 00:20:22,504 INFO L87 Difference]: Start difference. First operand 266 states and 752 transitions. Second operand 6 states. [2020-09-15 00:20:22,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 00:20:22,618 INFO L93 Difference]: Finished difference Result 350 states and 940 transitions. [2020-09-15 00:20:22,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-15 00:20:22,618 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2020-09-15 00:20:22,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 00:20:22,620 INFO L225 Difference]: With dead ends: 350 [2020-09-15 00:20:22,620 INFO L226 Difference]: Without dead ends: 182 [2020-09-15 00:20:22,621 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-09-15 00:20:22,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2020-09-15 00:20:22,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2020-09-15 00:20:22,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2020-09-15 00:20:22,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 458 transitions. [2020-09-15 00:20:22,632 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 458 transitions. Word has length 10 [2020-09-15 00:20:22,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 00:20:22,633 INFO L479 AbstractCegarLoop]: Abstraction has 182 states and 458 transitions. [2020-09-15 00:20:22,633 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-15 00:20:22,633 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 458 transitions. [2020-09-15 00:20:22,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-09-15 00:20:22,634 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 00:20:22,635 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 00:20:22,635 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-15 00:20:22,635 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 00:20:22,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 00:20:22,635 INFO L82 PathProgramCache]: Analyzing trace with hash 1670897012, now seen corresponding path program 1 times [2020-09-15 00:20:22,636 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 00:20:22,636 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897977059] [2020-09-15 00:20:22,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 00:20:22,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 00:20:22,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 00:20:22,781 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897977059] [2020-09-15 00:20:22,781 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 00:20:22,781 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-15 00:20:22,781 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295195181] [2020-09-15 00:20:22,784 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-15 00:20:22,785 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 00:20:22,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-15 00:20:22,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-15 00:20:22,786 INFO L87 Difference]: Start difference. First operand 182 states and 458 transitions. Second operand 5 states. [2020-09-15 00:20:22,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 00:20:22,849 INFO L93 Difference]: Finished difference Result 233 states and 559 transitions. [2020-09-15 00:20:22,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-15 00:20:22,850 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-09-15 00:20:22,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 00:20:22,851 INFO L225 Difference]: With dead ends: 233 [2020-09-15 00:20:22,851 INFO L226 Difference]: Without dead ends: 92 [2020-09-15 00:20:22,853 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-09-15 00:20:22,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2020-09-15 00:20:22,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2020-09-15 00:20:22,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-09-15 00:20:22,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 210 transitions. [2020-09-15 00:20:22,858 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 210 transitions. Word has length 12 [2020-09-15 00:20:22,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 00:20:22,859 INFO L479 AbstractCegarLoop]: Abstraction has 92 states and 210 transitions. [2020-09-15 00:20:22,859 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-15 00:20:22,859 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 210 transitions. [2020-09-15 00:20:22,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-09-15 00:20:22,860 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 00:20:22,860 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 00:20:22,861 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-15 00:20:22,861 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 00:20:22,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 00:20:22,861 INFO L82 PathProgramCache]: Analyzing trace with hash -1277780743, now seen corresponding path program 1 times [2020-09-15 00:20:22,862 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 00:20:22,862 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148470123] [2020-09-15 00:20:22,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 00:20:22,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 00:20:22,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 00:20:22,937 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148470123] [2020-09-15 00:20:22,937 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 00:20:22,938 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-15 00:20:22,938 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170100255] [2020-09-15 00:20:22,938 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-15 00:20:22,938 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 00:20:22,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-15 00:20:22,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-15 00:20:22,939 INFO L87 Difference]: Start difference. First operand 92 states and 210 transitions. Second operand 5 states. [2020-09-15 00:20:22,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 00:20:22,976 INFO L93 Difference]: Finished difference Result 77 states and 170 transitions. [2020-09-15 00:20:22,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-15 00:20:22,977 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-09-15 00:20:22,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 00:20:22,977 INFO L225 Difference]: With dead ends: 77 [2020-09-15 00:20:22,977 INFO L226 Difference]: Without dead ends: 0 [2020-09-15 00:20:22,978 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-09-15 00:20:22,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-15 00:20:22,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-15 00:20:22,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-15 00:20:22,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-15 00:20:22,979 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2020-09-15 00:20:22,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 00:20:22,979 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-15 00:20:22,980 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-15 00:20:22,980 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-15 00:20:22,980 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-15 00:20:22,980 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-15 00:20:22,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.09 12:20:22 BasicIcfg [2020-09-15 00:20:22,985 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-15 00:20:22,989 INFO L168 Benchmark]: Toolchain (without parser) took 4684.65 ms. Allocated memory was 140.5 MB in the beginning and 245.9 MB in the end (delta: 105.4 MB). Free memory was 102.2 MB in the beginning and 185.0 MB in the end (delta: -82.8 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. [2020-09-15 00:20:22,989 INFO L168 Benchmark]: CDTParser took 0.57 ms. Allocated memory is still 140.5 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.7 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-15 00:20:22,991 INFO L168 Benchmark]: CACSL2BoogieTranslator took 801.28 ms. Allocated memory was 140.5 MB in the beginning and 204.5 MB in the end (delta: 64.0 MB). Free memory was 101.5 MB in the beginning and 161.6 MB in the end (delta: -60.1 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. [2020-09-15 00:20:22,991 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.65 ms. Allocated memory is still 204.5 MB. Free memory was 161.6 MB in the beginning and 159.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-09-15 00:20:22,992 INFO L168 Benchmark]: Boogie Preprocessor took 31.89 ms. Allocated memory is still 204.5 MB. Free memory was 159.7 MB in the beginning and 158.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-09-15 00:20:22,993 INFO L168 Benchmark]: RCFGBuilder took 530.31 ms. Allocated memory is still 204.5 MB. Free memory was 157.7 MB in the beginning and 135.4 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. [2020-09-15 00:20:22,994 INFO L168 Benchmark]: TraceAbstraction took 3253.89 ms. Allocated memory was 204.5 MB in the beginning and 245.9 MB in the end (delta: 41.4 MB). Free memory was 135.4 MB in the beginning and 185.0 MB in the end (delta: -49.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-15 00:20:22,998 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57 ms. Allocated memory is still 140.5 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.7 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 801.28 ms. Allocated memory was 140.5 MB in the beginning and 204.5 MB in the end (delta: 64.0 MB). Free memory was 101.5 MB in the beginning and 161.6 MB in the end (delta: -60.1 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 56.65 ms. Allocated memory is still 204.5 MB. Free memory was 161.6 MB in the beginning and 159.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 31.89 ms. Allocated memory is still 204.5 MB. Free memory was 159.7 MB in the beginning and 158.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 530.31 ms. Allocated memory is still 204.5 MB. Free memory was 157.7 MB in the beginning and 135.4 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3253.89 ms. Allocated memory was 204.5 MB in the beginning and 245.9 MB in the end (delta: 41.4 MB). Free memory was 135.4 MB in the beginning and 185.0 MB in the end (delta: -49.5 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.6s, 79 ProgramPointsBefore, 32 ProgramPointsAfterwards, 71 TransitionsBefore, 23 TransitionsAfterwards, 1260 CoEnabledTransitionPairs, 6 FixpointIterations, 15 TrivialSequentialCompositions, 32 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 10 ConcurrentYvCompositions, 1 ChoiceCompositions, 688 VarBasedMoverChecksPositive, 31 VarBasedMoverChecksNegative, 17 SemBasedMoverChecksPositive, 29 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.3s, 0 MoverChecksTotal, 2463 CheckedPairsTotal, 57 TotalNumberOfCompositions - PositiveResult [Line: 7]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 70 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.1s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.7s, HoareTripleCheckerStatistics: 101 SDtfs, 164 SDslu, 177 SDs, 0 SdLazy, 84 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=362occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 48 ConstructedInterpolants, 0 QuantifiedInterpolants, 2061 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...