/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/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-SP.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe022_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-22 02:17:17,701 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-22 02:17:17,704 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-22 02:17:17,727 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-22 02:17:17,727 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-22 02:17:17,728 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-22 02:17:17,730 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-22 02:17:17,731 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-22 02:17:17,733 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-22 02:17:17,734 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-22 02:17:17,735 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-22 02:17:17,736 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-22 02:17:17,736 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-22 02:17:17,737 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-22 02:17:17,738 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-22 02:17:17,739 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-22 02:17:17,740 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-22 02:17:17,741 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-22 02:17:17,743 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-22 02:17:17,744 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-22 02:17:17,746 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-22 02:17:17,747 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-22 02:17:17,748 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-22 02:17:17,749 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-22 02:17:17,751 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-22 02:17:17,754 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-22 02:17:17,755 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-22 02:17:17,755 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-22 02:17:17,756 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-22 02:17:17,757 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-22 02:17:17,757 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-22 02:17:17,758 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-22 02:17:17,758 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-22 02:17:17,758 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-22 02:17:17,759 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-22 02:17:17,760 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-22 02:17:17,760 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-SP.epf [2020-10-22 02:17:17,783 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-22 02:17:17,784 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-22 02:17:17,785 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-22 02:17:17,785 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-22 02:17:17,785 INFO L138 SettingsManager]: * Use SBE=true [2020-10-22 02:17:17,786 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-22 02:17:17,786 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-22 02:17:17,786 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-22 02:17:17,786 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-22 02:17:17,786 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-22 02:17:17,787 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-22 02:17:17,787 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-22 02:17:17,787 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-22 02:17:17,787 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-22 02:17:17,787 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-22 02:17:17,787 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-22 02:17:17,788 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-22 02:17:17,788 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-22 02:17:17,788 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-22 02:17:17,788 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-22 02:17:17,788 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-22 02:17:17,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 02:17:17,789 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-22 02:17:17,789 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-22 02:17:17,789 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-22 02:17:17,789 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-22 02:17:17,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-22 02:17:17,790 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-22 02:17:17,790 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-22 02:17:17,790 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-22 02:17:17,790 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-22 02:17:18,089 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-22 02:17:18,101 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-22 02:17:18,105 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-22 02:17:18,106 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-22 02:17:18,107 INFO L275 PluginConnector]: CDTParser initialized [2020-10-22 02:17:18,108 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe022_tso.oepc.i [2020-10-22 02:17:18,178 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d498d032/423211709f3e4df6b91dc11702aebad4/FLAG59574cbd2 [2020-10-22 02:17:18,729 INFO L306 CDTParser]: Found 1 translation units. [2020-10-22 02:17:18,730 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe022_tso.oepc.i [2020-10-22 02:17:18,752 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d498d032/423211709f3e4df6b91dc11702aebad4/FLAG59574cbd2 [2020-10-22 02:17:19,027 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d498d032/423211709f3e4df6b91dc11702aebad4 [2020-10-22 02:17:19,036 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-22 02:17:19,044 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-22 02:17:19,045 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-22 02:17:19,045 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-22 02:17:19,049 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-22 02:17:19,050 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 02:17:19" (1/1) ... [2020-10-22 02:17:19,055 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72dba360 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:17:19, skipping insertion in model container [2020-10-22 02:17:19,056 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 02:17:19" (1/1) ... [2020-10-22 02:17:19,065 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-22 02:17:19,131 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-22 02:17:19,616 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 02:17:19,629 INFO L203 MainTranslator]: Completed pre-run [2020-10-22 02:17:19,707 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 02:17:19,800 INFO L208 MainTranslator]: Completed translation [2020-10-22 02:17:19,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:17:19 WrapperNode [2020-10-22 02:17:19,801 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-22 02:17:19,802 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-22 02:17:19,802 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-22 02:17:19,802 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-22 02:17:19,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:17:19" (1/1) ... [2020-10-22 02:17:19,827 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:17:19" (1/1) ... [2020-10-22 02:17:19,850 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-22 02:17:19,851 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-22 02:17:19,851 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-22 02:17:19,851 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-22 02:17:19,859 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:17:19" (1/1) ... [2020-10-22 02:17:19,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:17:19" (1/1) ... [2020-10-22 02:17:19,863 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:17:19" (1/1) ... [2020-10-22 02:17:19,863 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:17:19" (1/1) ... [2020-10-22 02:17:19,870 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:17:19" (1/1) ... [2020-10-22 02:17:19,873 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:17:19" (1/1) ... [2020-10-22 02:17:19,875 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:17:19" (1/1) ... [2020-10-22 02:17:19,878 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-22 02:17:19,881 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-22 02:17:19,881 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-22 02:17:19,882 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-22 02:17:19,882 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:17:19" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 02:17:19,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-22 02:17:19,948 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-22 02:17:19,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-22 02:17:19,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-22 02:17:19,948 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-22 02:17:19,948 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-22 02:17:19,949 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-22 02:17:19,949 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-22 02:17:19,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-22 02:17:19,950 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-22 02:17:19,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-22 02:17:19,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-22 02:17:19,954 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-22 02:17:20,328 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-22 02:17:20,329 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-22 02:17:20,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 02:17:20 BoogieIcfgContainer [2020-10-22 02:17:20,332 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-22 02:17:20,334 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-22 02:17:20,334 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-22 02:17:20,337 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-22 02:17:20,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 02:17:19" (1/3) ... [2020-10-22 02:17:20,339 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cd7a3e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 02:17:20, skipping insertion in model container [2020-10-22 02:17:20,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:17:19" (2/3) ... [2020-10-22 02:17:20,340 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cd7a3e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 02:17:20, skipping insertion in model container [2020-10-22 02:17:20,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 02:17:20" (3/3) ... [2020-10-22 02:17:20,342 INFO L111 eAbstractionObserver]: Analyzing ICFG safe022_tso.oepc.i [2020-10-22 02:17:20,355 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-22 02:17:20,355 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-22 02:17:20,363 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-22 02:17:20,364 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-22 02:17:20,393 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:17:20,393 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:17:20,394 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:17:20,396 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:17:20,396 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:17:20,397 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:17:20,397 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:17:20,398 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:17:20,398 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:17:20,398 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:17:20,399 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:17:20,399 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:17:20,403 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:17:20,403 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:17:20,404 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:17:20,404 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:17:20,412 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:17:20,413 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:17:20,413 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:17:20,413 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:17:20,416 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-22 02:17:20,431 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-22 02:17:20,453 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-22 02:17:20,454 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-22 02:17:20,454 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-22 02:17:20,454 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-22 02:17:20,455 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-22 02:17:20,455 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-22 02:17:20,455 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-22 02:17:20,455 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-22 02:17:20,470 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-22 02:17:20,470 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 65 transitions, 140 flow [2020-10-22 02:17:20,473 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 69 places, 65 transitions, 140 flow [2020-10-22 02:17:20,475 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 69 places, 65 transitions, 140 flow [2020-10-22 02:17:20,523 INFO L129 PetriNetUnfolder]: 3/63 cut-off events. [2020-10-22 02:17:20,523 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-22 02:17:20,528 INFO L80 FinitePrefix]: Finished finitePrefix Result has 70 conditions, 63 events. 3/63 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 43 event pairs, 0 based on Foata normal form. 0/59 useless extension candidates. Maximal degree in co-relation 46. Up to 2 conditions per place. [2020-10-22 02:17:20,531 INFO L116 LiptonReduction]: Number of co-enabled transitions 792 [2020-10-22 02:17:21,773 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-10-22 02:17:22,076 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2020-10-22 02:17:22,180 INFO L131 LiptonReduction]: Checked pairs total: 1892 [2020-10-22 02:17:22,180 INFO L133 LiptonReduction]: Total number of compositions: 66 [2020-10-22 02:17:22,187 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 23 places, 17 transitions, 44 flow [2020-10-22 02:17:22,201 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 90 states. [2020-10-22 02:17:22,204 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states. [2020-10-22 02:17:22,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-22 02:17:22,211 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:17:22,212 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-22 02:17:22,212 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:17:22,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:17:22,218 INFO L82 PathProgramCache]: Analyzing trace with hash -1281927427, now seen corresponding path program 1 times [2020-10-22 02:17:22,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:17:22,237 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538976496] [2020-10-22 02:17:22,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:17:22,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:17:22,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:17:22,400 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538976496] [2020-10-22 02:17:22,401 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:17:22,401 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 02:17:22,402 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1279088143] [2020-10-22 02:17:22,403 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:17:22,406 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:17:22,420 INFO L252 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions. [2020-10-22 02:17:22,420 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:17:22,425 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:17:22,426 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-22 02:17:22,426 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:17:22,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-22 02:17:22,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-22 02:17:22,444 INFO L87 Difference]: Start difference. First operand 90 states. Second operand 2 states. [2020-10-22 02:17:22,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:17:22,454 INFO L93 Difference]: Finished difference Result 90 states and 200 transitions. [2020-10-22 02:17:22,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-22 02:17:22,456 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2020-10-22 02:17:22,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:17:22,466 INFO L225 Difference]: With dead ends: 90 [2020-10-22 02:17:22,466 INFO L226 Difference]: Without dead ends: 74 [2020-10-22 02:17:22,468 INFO L677 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 [2020-10-22 02:17:22,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-10-22 02:17:22,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2020-10-22 02:17:22,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-10-22 02:17:22,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 160 transitions. [2020-10-22 02:17:22,513 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 160 transitions. Word has length 6 [2020-10-22 02:17:22,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:17:22,514 INFO L481 AbstractCegarLoop]: Abstraction has 74 states and 160 transitions. [2020-10-22 02:17:22,514 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-22 02:17:22,514 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 160 transitions. [2020-10-22 02:17:22,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-22 02:17:22,515 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:17:22,515 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:17:22,516 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-22 02:17:22,516 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:17:22,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:17:22,516 INFO L82 PathProgramCache]: Analyzing trace with hash -1085050971, now seen corresponding path program 1 times [2020-10-22 02:17:22,518 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:17:22,518 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500267667] [2020-10-22 02:17:22,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:17:22,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:17:22,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:17:22,645 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500267667] [2020-10-22 02:17:22,646 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:17:22,646 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 02:17:22,646 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [653146116] [2020-10-22 02:17:22,646 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:17:22,647 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:17:22,649 INFO L252 McrAutomatonBuilder]: Finished intersection with 8 states and 7 transitions. [2020-10-22 02:17:22,649 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:17:22,650 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:17:22,651 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 02:17:22,652 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:17:22,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 02:17:22,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-22 02:17:22,653 INFO L87 Difference]: Start difference. First operand 74 states and 160 transitions. Second operand 4 states. [2020-10-22 02:17:22,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:17:22,687 INFO L93 Difference]: Finished difference Result 82 states and 166 transitions. [2020-10-22 02:17:22,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-22 02:17:22,687 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2020-10-22 02:17:22,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:17:22,689 INFO L225 Difference]: With dead ends: 82 [2020-10-22 02:17:22,689 INFO L226 Difference]: Without dead ends: 66 [2020-10-22 02:17:22,690 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-22 02:17:22,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-10-22 02:17:22,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2020-10-22 02:17:22,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-10-22 02:17:22,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 138 transitions. [2020-10-22 02:17:22,701 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 138 transitions. Word has length 7 [2020-10-22 02:17:22,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:17:22,701 INFO L481 AbstractCegarLoop]: Abstraction has 66 states and 138 transitions. [2020-10-22 02:17:22,701 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 02:17:22,701 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 138 transitions. [2020-10-22 02:17:22,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-22 02:17:22,702 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:17:22,703 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:17:22,703 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-22 02:17:22,703 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:17:22,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:17:22,704 INFO L82 PathProgramCache]: Analyzing trace with hash 722349434, now seen corresponding path program 1 times [2020-10-22 02:17:22,709 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:17:22,709 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583715959] [2020-10-22 02:17:22,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:17:22,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:17:22,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:17:22,786 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583715959] [2020-10-22 02:17:22,786 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:17:22,787 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 02:17:22,787 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [529100054] [2020-10-22 02:17:22,787 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:17:22,788 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:17:22,789 INFO L252 McrAutomatonBuilder]: Finished intersection with 10 states and 10 transitions. [2020-10-22 02:17:22,790 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:17:22,814 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:17:22,814 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-22 02:17:22,814 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:17:22,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-22 02:17:22,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-22 02:17:22,815 INFO L87 Difference]: Start difference. First operand 66 states and 138 transitions. Second operand 5 states. [2020-10-22 02:17:22,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:17:22,862 INFO L93 Difference]: Finished difference Result 78 states and 155 transitions. [2020-10-22 02:17:22,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-22 02:17:22,863 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2020-10-22 02:17:22,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:17:22,864 INFO L225 Difference]: With dead ends: 78 [2020-10-22 02:17:22,864 INFO L226 Difference]: Without dead ends: 42 [2020-10-22 02:17:22,865 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-22 02:17:22,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-10-22 02:17:22,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2020-10-22 02:17:22,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-10-22 02:17:22,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 76 transitions. [2020-10-22 02:17:22,871 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 76 transitions. Word has length 8 [2020-10-22 02:17:22,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:17:22,871 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 76 transitions. [2020-10-22 02:17:22,871 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-22 02:17:22,871 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2020-10-22 02:17:22,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-22 02:17:22,872 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:17:22,873 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:17:22,873 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-22 02:17:22,873 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:17:22,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:17:22,873 INFO L82 PathProgramCache]: Analyzing trace with hash 1631439828, now seen corresponding path program 1 times [2020-10-22 02:17:22,874 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:17:22,875 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631241501] [2020-10-22 02:17:22,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:17:22,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:17:22,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:17:22,953 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631241501] [2020-10-22 02:17:22,953 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:17:22,954 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 02:17:22,954 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [796535662] [2020-10-22 02:17:22,954 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:17:22,955 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:17:22,957 INFO L252 McrAutomatonBuilder]: Finished intersection with 18 states and 24 transitions. [2020-10-22 02:17:22,958 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:17:23,031 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:17:23,031 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 02:17:23,032 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:17:23,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 02:17:23,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-22 02:17:23,032 INFO L87 Difference]: Start difference. First operand 42 states and 76 transitions. Second operand 4 states. [2020-10-22 02:17:23,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:17:23,062 INFO L93 Difference]: Finished difference Result 43 states and 68 transitions. [2020-10-22 02:17:23,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-22 02:17:23,062 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-10-22 02:17:23,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:17:23,063 INFO L225 Difference]: With dead ends: 43 [2020-10-22 02:17:23,063 INFO L226 Difference]: Without dead ends: 33 [2020-10-22 02:17:23,064 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-22 02:17:23,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-10-22 02:17:23,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-10-22 02:17:23,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-10-22 02:17:23,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 51 transitions. [2020-10-22 02:17:23,068 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 51 transitions. Word has length 10 [2020-10-22 02:17:23,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:17:23,068 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 51 transitions. [2020-10-22 02:17:23,069 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 02:17:23,069 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2020-10-22 02:17:23,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-22 02:17:23,069 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:17:23,070 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:17:23,070 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-22 02:17:23,070 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:17:23,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:17:23,071 INFO L82 PathProgramCache]: Analyzing trace with hash 215135871, now seen corresponding path program 1 times [2020-10-22 02:17:23,084 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:17:23,085 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792948960] [2020-10-22 02:17:23,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:17:23,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:17:23,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:17:23,173 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792948960] [2020-10-22 02:17:23,173 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:17:23,173 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-22 02:17:23,173 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [949528706] [2020-10-22 02:17:23,174 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:17:23,175 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:17:23,176 INFO L252 McrAutomatonBuilder]: Finished intersection with 20 states and 27 transitions. [2020-10-22 02:17:23,177 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:17:23,256 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:17:23,257 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-22 02:17:23,259 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:17:23,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-22 02:17:23,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-22 02:17:23,260 INFO L87 Difference]: Start difference. First operand 33 states and 51 transitions. Second operand 5 states. [2020-10-22 02:17:23,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:17:23,297 INFO L93 Difference]: Finished difference Result 28 states and 39 transitions. [2020-10-22 02:17:23,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-22 02:17:23,298 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-10-22 02:17:23,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:17:23,298 INFO L225 Difference]: With dead ends: 28 [2020-10-22 02:17:23,298 INFO L226 Difference]: Without dead ends: 23 [2020-10-22 02:17:23,299 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-22 02:17:23,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-10-22 02:17:23,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2020-10-22 02:17:23,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-10-22 02:17:23,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 31 transitions. [2020-10-22 02:17:23,302 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 31 transitions. Word has length 11 [2020-10-22 02:17:23,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:17:23,302 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 31 transitions. [2020-10-22 02:17:23,302 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-22 02:17:23,302 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2020-10-22 02:17:23,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-22 02:17:23,303 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:17:23,303 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:17:23,303 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-22 02:17:23,304 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:17:23,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:17:23,304 INFO L82 PathProgramCache]: Analyzing trace with hash 536770965, now seen corresponding path program 1 times [2020-10-22 02:17:23,306 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:17:23,306 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157567688] [2020-10-22 02:17:23,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:17:23,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:17:23,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:17:23,360 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157567688] [2020-10-22 02:17:23,360 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:17:23,361 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-22 02:17:23,361 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1940855526] [2020-10-22 02:17:23,361 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:17:23,362 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:17:23,364 INFO L252 McrAutomatonBuilder]: Finished intersection with 22 states and 29 transitions. [2020-10-22 02:17:23,364 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:17:23,453 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:17:23,453 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-22 02:17:23,454 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:17:23,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-22 02:17:23,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-22 02:17:23,454 INFO L87 Difference]: Start difference. First operand 23 states and 31 transitions. Second operand 5 states. [2020-10-22 02:17:23,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:17:23,493 INFO L93 Difference]: Finished difference Result 22 states and 30 transitions. [2020-10-22 02:17:23,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-22 02:17:23,494 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-10-22 02:17:23,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:17:23,495 INFO L225 Difference]: With dead ends: 22 [2020-10-22 02:17:23,495 INFO L226 Difference]: Without dead ends: 0 [2020-10-22 02:17:23,496 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-22 02:17:23,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-22 02:17:23,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-22 02:17:23,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-22 02:17:23,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-22 02:17:23,496 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2020-10-22 02:17:23,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:17:23,497 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-22 02:17:23,497 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-22 02:17:23,497 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-22 02:17:23,497 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-22 02:17:23,497 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-22 02:17:23,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 02:17:23 BasicIcfg [2020-10-22 02:17:23,500 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-22 02:17:23,502 INFO L168 Benchmark]: Toolchain (without parser) took 4464.42 ms. Allocated memory was 140.0 MB in the beginning and 246.9 MB in the end (delta: 107.0 MB). Free memory was 101.5 MB in the beginning and 166.2 MB in the end (delta: -64.7 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2020-10-22 02:17:23,503 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-22 02:17:23,504 INFO L168 Benchmark]: CACSL2BoogieTranslator took 756.43 ms. Allocated memory was 140.0 MB in the beginning and 202.4 MB in the end (delta: 62.4 MB). Free memory was 100.7 MB in the beginning and 158.5 MB in the end (delta: -57.8 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. [2020-10-22 02:17:23,505 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.86 ms. Allocated memory is still 202.4 MB. Free memory was 158.5 MB in the beginning and 156.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-22 02:17:23,505 INFO L168 Benchmark]: Boogie Preprocessor took 27.69 ms. Allocated memory is still 202.4 MB. Free memory was 156.5 MB in the beginning and 155.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-10-22 02:17:23,506 INFO L168 Benchmark]: RCFGBuilder took 451.21 ms. Allocated memory is still 202.4 MB. Free memory was 155.2 MB in the beginning and 133.5 MB in the end (delta: 21.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. [2020-10-22 02:17:23,507 INFO L168 Benchmark]: TraceAbstraction took 3166.94 ms. Allocated memory was 202.4 MB in the beginning and 246.9 MB in the end (delta: 44.6 MB). Free memory was 132.9 MB in the beginning and 166.2 MB in the end (delta: -33.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2020-10-22 02:17:23,512 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 756.43 ms. Allocated memory was 140.0 MB in the beginning and 202.4 MB in the end (delta: 62.4 MB). Free memory was 100.7 MB in the beginning and 158.5 MB in the end (delta: -57.8 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 48.86 ms. Allocated memory is still 202.4 MB. Free memory was 158.5 MB in the beginning and 156.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 27.69 ms. Allocated memory is still 202.4 MB. Free memory was 156.5 MB in the beginning and 155.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 451.21 ms. Allocated memory is still 202.4 MB. Free memory was 155.2 MB in the beginning and 133.5 MB in the end (delta: 21.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3166.94 ms. Allocated memory was 202.4 MB in the beginning and 246.9 MB in the end (delta: 44.6 MB). Free memory was 132.9 MB in the beginning and 166.2 MB in the end (delta: -33.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 448 VarBasedMoverChecksPositive, 14 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 22 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.7s, 69 PlacesBefore, 23 PlacesAfterwards, 65 TransitionsBefore, 17 TransitionsAfterwards, 792 CoEnabledTransitionPairs, 7 FixpointIterations, 17 TrivialSequentialCompositions, 32 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 15 ConcurrentYvCompositions, 2 ChoiceCompositions, 66 TotalNumberOfCompositions, 1892 MoverChecksTotal - PositiveResult [Line: 17]: 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 3 procedures, 63 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.0s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.7s, HoareTripleCheckerStatistics: 87 SDtfs, 56 SDslu, 112 SDs, 0 SdLazy, 55 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=90occurred 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: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 49 ConstructedInterpolants, 0 QuantifiedInterpolants, 1395 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...