/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-VariableLbe.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe019_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 07:47:06,677 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 07:47:06,680 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 07:47:06,692 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 07:47:06,692 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 07:47:06,693 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 07:47:06,695 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 07:47:06,697 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 07:47:06,698 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 07:47:06,699 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 07:47:06,700 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 07:47:06,701 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 07:47:06,701 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 07:47:06,702 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 07:47:06,703 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 07:47:06,704 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 07:47:06,705 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 07:47:06,706 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 07:47:06,708 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 07:47:06,710 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 07:47:06,711 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 07:47:06,712 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 07:47:06,713 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 07:47:06,714 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 07:47:06,716 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-27 07:47:06,717 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-27 07:47:06,717 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-27 07:47:06,718 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-27 07:47:06,718 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-27 07:47:06,719 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-27 07:47:06,719 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 07:47:06,720 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 07:47:06,721 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 07:47:06,721 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 07:47:06,722 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 07:47:06,723 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 07:47:06,723 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 07:47:06,723 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 07:47:06,724 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 07:47:06,724 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 07:47:06,725 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 07:47:06,726 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-VariableLbe.epf [2019-12-27 07:47:06,740 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 07:47:06,741 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 07:47:06,742 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 07:47:06,742 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 07:47:06,742 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 07:47:06,742 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 07:47:06,744 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 07:47:06,744 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 07:47:06,744 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 07:47:06,744 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 07:47:06,744 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 07:47:06,746 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 07:47:06,746 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 07:47:06,746 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 07:47:06,746 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 07:47:06,746 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 07:47:06,747 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 07:47:06,747 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 07:47:06,747 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 07:47:06,747 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 07:47:06,747 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 07:47:06,748 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 07:47:06,748 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 07:47:06,749 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 07:47:06,749 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 07:47:06,749 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 07:47:06,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 07:47:06,749 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2019-12-27 07:47:06,749 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 07:47:06,750 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 07:47:07,007 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 07:47:07,023 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 07:47:07,027 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 07:47:07,029 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 07:47:07,029 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 07:47:07,030 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe019_tso.oepc.i [2019-12-27 07:47:07,098 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/097256bf2/a19600e62640453a9864c97f80c3090f/FLAG32292fa3e [2019-12-27 07:47:07,652 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 07:47:07,654 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe019_tso.oepc.i [2019-12-27 07:47:07,672 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/097256bf2/a19600e62640453a9864c97f80c3090f/FLAG32292fa3e [2019-12-27 07:47:07,905 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/097256bf2/a19600e62640453a9864c97f80c3090f [2019-12-27 07:47:07,913 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 07:47:07,915 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 07:47:07,916 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 07:47:07,916 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 07:47:07,920 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 07:47:07,921 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 07:47:07" (1/1) ... [2019-12-27 07:47:07,924 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e24b6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:47:07, skipping insertion in model container [2019-12-27 07:47:07,924 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 07:47:07" (1/1) ... [2019-12-27 07:47:07,933 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 07:47:07,984 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 07:47:08,553 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 07:47:08,564 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 07:47:08,622 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 07:47:08,694 INFO L208 MainTranslator]: Completed translation [2019-12-27 07:47:08,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:47:08 WrapperNode [2019-12-27 07:47:08,695 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 07:47:08,696 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 07:47:08,696 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 07:47:08,696 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 07:47:08,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:47:08" (1/1) ... [2019-12-27 07:47:08,723 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:47:08" (1/1) ... [2019-12-27 07:47:08,748 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 07:47:08,749 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 07:47:08,749 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 07:47:08,749 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 07:47:08,759 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:47:08" (1/1) ... [2019-12-27 07:47:08,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:47:08" (1/1) ... [2019-12-27 07:47:08,762 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:47:08" (1/1) ... [2019-12-27 07:47:08,763 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:47:08" (1/1) ... [2019-12-27 07:47:08,770 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:47:08" (1/1) ... [2019-12-27 07:47:08,772 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:47:08" (1/1) ... [2019-12-27 07:47:08,774 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:47:08" (1/1) ... [2019-12-27 07:47:08,778 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 07:47:08,778 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 07:47:08,779 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 07:47:08,779 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 07:47:08,780 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:47:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 07:47:08,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 07:47:08,868 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-27 07:47:08,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 07:47:08,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 07:47:08,869 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-27 07:47:08,869 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-27 07:47:08,869 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-27 07:47:08,870 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-27 07:47:08,871 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-27 07:47:08,871 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-27 07:47:08,872 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2019-12-27 07:47:08,872 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2019-12-27 07:47:08,872 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-27 07:47:08,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 07:47:08,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 07:47:08,874 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-27 07:47:09,280 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 07:47:09,280 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-27 07:47:09,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 07:47:09 BoogieIcfgContainer [2019-12-27 07:47:09,282 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 07:47:09,283 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 07:47:09,283 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 07:47:09,287 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 07:47:09,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 07:47:07" (1/3) ... [2019-12-27 07:47:09,288 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52d9ca99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 07:47:09, skipping insertion in model container [2019-12-27 07:47:09,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:47:08" (2/3) ... [2019-12-27 07:47:09,289 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52d9ca99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 07:47:09, skipping insertion in model container [2019-12-27 07:47:09,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 07:47:09" (3/3) ... [2019-12-27 07:47:09,291 INFO L109 eAbstractionObserver]: Analyzing ICFG safe019_tso.oepc.i [2019-12-27 07:47:09,302 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 07:47:09,302 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 07:47:09,310 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-27 07:47:09,312 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 07:47:09,343 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:47:09,344 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:47:09,344 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:47:09,345 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:47:09,345 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:47:09,345 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:47:09,346 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:47:09,346 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:47:09,346 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:47:09,346 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:47:09,347 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:47:09,347 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:47:09,347 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:47:09,348 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:47:09,348 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:47:09,348 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:47:09,348 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:47:09,349 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:47:09,349 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:47:09,349 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:47:09,350 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:47:09,350 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:47:09,350 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:47:09,353 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:47:09,358 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:47:09,358 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:47:09,358 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:47:09,359 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:47:09,366 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:47:09,366 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:47:09,366 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:47:09,367 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:47:09,369 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:47:09,370 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:47:09,370 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:47:09,370 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:47:09,374 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:47:09,375 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:47:09,375 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:47:09,376 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 07:47:09,397 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-12-27 07:47:09,420 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 07:47:09,420 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 07:47:09,420 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 07:47:09,420 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 07:47:09,421 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 07:47:09,421 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 07:47:09,421 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 07:47:09,421 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 07:47:09,440 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 64 transitions [2019-12-27 07:47:09,444 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 76 places, 64 transitions [2019-12-27 07:47:09,520 INFO L132 PetriNetUnfolder]: 1/60 cut-off events. [2019-12-27 07:47:09,520 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-27 07:47:09,527 INFO L76 FinitePrefix]: Finished finitePrefix Result has 73 conditions, 60 events. 1/60 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 27 event pairs. 0/58 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2019-12-27 07:47:09,533 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 76 places, 64 transitions [2019-12-27 07:47:09,571 INFO L132 PetriNetUnfolder]: 1/60 cut-off events. [2019-12-27 07:47:09,572 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-27 07:47:09,574 INFO L76 FinitePrefix]: Finished finitePrefix Result has 73 conditions, 60 events. 1/60 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 27 event pairs. 0/58 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2019-12-27 07:47:09,577 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 732 [2019-12-27 07:47:09,578 INFO L182 etLargeBlockEncoding]: Variable Check. [2019-12-27 07:47:11,110 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2019-12-27 07:47:11,162 INFO L206 etLargeBlockEncoding]: Checked pairs total: 721 [2019-12-27 07:47:11,162 INFO L214 etLargeBlockEncoding]: Total number of compositions: 48 [2019-12-27 07:47:11,167 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 27 places, 19 transitions [2019-12-27 07:47:11,180 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 94 states. [2019-12-27 07:47:11,182 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states. [2019-12-27 07:47:11,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-27 07:47:11,190 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 07:47:11,191 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 07:47:11,191 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 07:47:11,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 07:47:11,197 INFO L82 PathProgramCache]: Analyzing trace with hash -989464989, now seen corresponding path program 1 times [2019-12-27 07:47:11,208 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 07:47:11,209 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748556959] [2019-12-27 07:47:11,209 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 07:47:11,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 07:47:11,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 07:47:11,467 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748556959] [2019-12-27 07:47:11,468 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 07:47:11,469 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-27 07:47:11,471 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945102949] [2019-12-27 07:47:11,477 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 07:47:11,478 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 07:47:11,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 07:47:11,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 07:47:11,496 INFO L87 Difference]: Start difference. First operand 94 states. Second operand 3 states. [2019-12-27 07:47:11,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 07:47:11,539 INFO L93 Difference]: Finished difference Result 86 states and 212 transitions. [2019-12-27 07:47:11,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 07:47:11,542 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-12-27 07:47:11,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 07:47:11,570 INFO L225 Difference]: With dead ends: 86 [2019-12-27 07:47:11,570 INFO L226 Difference]: Without dead ends: 70 [2019-12-27 07:47:11,573 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 07:47:11,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2019-12-27 07:47:11,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2019-12-27 07:47:11,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2019-12-27 07:47:11,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 164 transitions. [2019-12-27 07:47:11,635 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 164 transitions. Word has length 10 [2019-12-27 07:47:11,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 07:47:11,641 INFO L462 AbstractCegarLoop]: Abstraction has 70 states and 164 transitions. [2019-12-27 07:47:11,642 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 07:47:11,642 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 164 transitions. [2019-12-27 07:47:11,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-27 07:47:11,652 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 07:47:11,652 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 07:47:11,652 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 07:47:11,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 07:47:11,653 INFO L82 PathProgramCache]: Analyzing trace with hash -1170715911, now seen corresponding path program 1 times [2019-12-27 07:47:11,653 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 07:47:11,653 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260178428] [2019-12-27 07:47:11,653 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 07:47:11,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 07:47:11,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 07:47:11,761 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260178428] [2019-12-27 07:47:11,761 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 07:47:11,762 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 07:47:11,762 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261000512] [2019-12-27 07:47:11,764 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 07:47:11,764 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 07:47:11,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 07:47:11,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 07:47:11,765 INFO L87 Difference]: Start difference. First operand 70 states and 164 transitions. Second operand 4 states. [2019-12-27 07:47:11,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 07:47:11,811 INFO L93 Difference]: Finished difference Result 84 states and 183 transitions. [2019-12-27 07:47:11,814 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-27 07:47:11,814 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-12-27 07:47:11,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 07:47:11,815 INFO L225 Difference]: With dead ends: 84 [2019-12-27 07:47:11,815 INFO L226 Difference]: Without dead ends: 54 [2019-12-27 07:47:11,817 INFO L631 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 [2019-12-27 07:47:11,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2019-12-27 07:47:11,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2019-12-27 07:47:11,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2019-12-27 07:47:11,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 113 transitions. [2019-12-27 07:47:11,829 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 113 transitions. Word has length 11 [2019-12-27 07:47:11,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 07:47:11,829 INFO L462 AbstractCegarLoop]: Abstraction has 54 states and 113 transitions. [2019-12-27 07:47:11,831 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 07:47:11,831 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 113 transitions. [2019-12-27 07:47:11,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-27 07:47:11,832 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 07:47:11,832 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 07:47:11,833 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 07:47:11,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 07:47:11,833 INFO L82 PathProgramCache]: Analyzing trace with hash -1709122238, now seen corresponding path program 1 times [2019-12-27 07:47:11,833 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 07:47:11,834 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316936951] [2019-12-27 07:47:11,834 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 07:47:11,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 07:47:11,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 07:47:11,949 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316936951] [2019-12-27 07:47:11,949 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 07:47:11,949 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 07:47:11,950 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116093407] [2019-12-27 07:47:11,950 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 07:47:11,950 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 07:47:11,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 07:47:11,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 07:47:11,951 INFO L87 Difference]: Start difference. First operand 54 states and 113 transitions. Second operand 4 states. [2019-12-27 07:47:11,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 07:47:11,977 INFO L93 Difference]: Finished difference Result 70 states and 129 transitions. [2019-12-27 07:47:11,977 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-27 07:47:11,977 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2019-12-27 07:47:11,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 07:47:11,978 INFO L225 Difference]: With dead ends: 70 [2019-12-27 07:47:11,978 INFO L226 Difference]: Without dead ends: 46 [2019-12-27 07:47:11,979 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-27 07:47:11,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-12-27 07:47:11,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 44. [2019-12-27 07:47:11,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2019-12-27 07:47:11,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 78 transitions. [2019-12-27 07:47:11,985 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 78 transitions. Word has length 12 [2019-12-27 07:47:11,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 07:47:11,985 INFO L462 AbstractCegarLoop]: Abstraction has 44 states and 78 transitions. [2019-12-27 07:47:11,985 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 07:47:11,985 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 78 transitions. [2019-12-27 07:47:11,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-27 07:47:11,986 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 07:47:11,986 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 07:47:11,986 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 07:47:11,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 07:47:11,986 INFO L82 PathProgramCache]: Analyzing trace with hash -1688092520, now seen corresponding path program 1 times [2019-12-27 07:47:11,987 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 07:47:11,987 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467103994] [2019-12-27 07:47:11,987 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 07:47:12,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 07:47:12,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 07:47:12,055 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467103994] [2019-12-27 07:47:12,056 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 07:47:12,056 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-27 07:47:12,056 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864050076] [2019-12-27 07:47:12,056 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 07:47:12,057 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 07:47:12,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 07:47:12,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 07:47:12,057 INFO L87 Difference]: Start difference. First operand 44 states and 78 transitions. Second operand 3 states. [2019-12-27 07:47:12,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 07:47:12,063 INFO L93 Difference]: Finished difference Result 42 states and 73 transitions. [2019-12-27 07:47:12,063 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 07:47:12,063 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2019-12-27 07:47:12,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 07:47:12,064 INFO L225 Difference]: With dead ends: 42 [2019-12-27 07:47:12,064 INFO L226 Difference]: Without dead ends: 34 [2019-12-27 07:47:12,064 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 07:47:12,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2019-12-27 07:47:12,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2019-12-27 07:47:12,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2019-12-27 07:47:12,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 57 transitions. [2019-12-27 07:47:12,067 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 57 transitions. Word has length 12 [2019-12-27 07:47:12,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 07:47:12,068 INFO L462 AbstractCegarLoop]: Abstraction has 34 states and 57 transitions. [2019-12-27 07:47:12,068 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 07:47:12,068 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 57 transitions. [2019-12-27 07:47:12,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-27 07:47:12,068 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 07:47:12,069 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 07:47:12,069 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 07:47:12,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 07:47:12,069 INFO L82 PathProgramCache]: Analyzing trace with hash -1395075125, now seen corresponding path program 1 times [2019-12-27 07:47:12,069 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 07:47:12,070 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11372984] [2019-12-27 07:47:12,070 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 07:47:12,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 07:47:12,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 07:47:12,150 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11372984] [2019-12-27 07:47:12,150 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 07:47:12,150 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 07:47:12,150 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681036202] [2019-12-27 07:47:12,150 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 07:47:12,151 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 07:47:12,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 07:47:12,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 07:47:12,151 INFO L87 Difference]: Start difference. First operand 34 states and 57 transitions. Second operand 4 states. [2019-12-27 07:47:12,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 07:47:12,172 INFO L93 Difference]: Finished difference Result 41 states and 64 transitions. [2019-12-27 07:47:12,172 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-27 07:47:12,173 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2019-12-27 07:47:12,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 07:47:12,173 INFO L225 Difference]: With dead ends: 41 [2019-12-27 07:47:12,173 INFO L226 Difference]: Without dead ends: 25 [2019-12-27 07:47:12,174 INFO L631 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 [2019-12-27 07:47:12,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2019-12-27 07:47:12,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2019-12-27 07:47:12,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-12-27 07:47:12,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 34 transitions. [2019-12-27 07:47:12,177 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 34 transitions. Word has length 13 [2019-12-27 07:47:12,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 07:47:12,177 INFO L462 AbstractCegarLoop]: Abstraction has 25 states and 34 transitions. [2019-12-27 07:47:12,177 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 07:47:12,177 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2019-12-27 07:47:12,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-27 07:47:12,178 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 07:47:12,178 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 07:47:12,178 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 07:47:12,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 07:47:12,179 INFO L82 PathProgramCache]: Analyzing trace with hash -534290396, now seen corresponding path program 1 times [2019-12-27 07:47:12,179 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 07:47:12,179 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898310004] [2019-12-27 07:47:12,179 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 07:47:12,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 07:47:12,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 07:47:12,256 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898310004] [2019-12-27 07:47:12,256 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 07:47:12,257 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 07:47:12,257 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854533914] [2019-12-27 07:47:12,257 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 07:47:12,257 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 07:47:12,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 07:47:12,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 07:47:12,259 INFO L87 Difference]: Start difference. First operand 25 states and 34 transitions. Second operand 4 states. [2019-12-27 07:47:12,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 07:47:12,278 INFO L93 Difference]: Finished difference Result 24 states and 33 transitions. [2019-12-27 07:47:12,278 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-27 07:47:12,278 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2019-12-27 07:47:12,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 07:47:12,278 INFO L225 Difference]: With dead ends: 24 [2019-12-27 07:47:12,278 INFO L226 Difference]: Without dead ends: 0 [2019-12-27 07:47:12,279 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-27 07:47:12,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-27 07:47:12,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-27 07:47:12,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-27 07:47:12,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-27 07:47:12,280 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2019-12-27 07:47:12,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 07:47:12,280 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-27 07:47:12,280 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 07:47:12,280 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-27 07:47:12,280 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-27 07:47:12,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 07:47:12 BasicIcfg [2019-12-27 07:47:12,287 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-27 07:47:12,291 INFO L168 Benchmark]: Toolchain (without parser) took 4374.41 ms. Allocated memory was 137.9 MB in the beginning and 247.5 MB in the end (delta: 109.6 MB). Free memory was 99.9 MB in the beginning and 123.5 MB in the end (delta: -23.5 MB). Peak memory consumption was 86.1 MB. Max. memory is 7.1 GB. [2019-12-27 07:47:12,292 INFO L168 Benchmark]: CDTParser took 0.72 ms. Allocated memory is still 137.9 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-12-27 07:47:12,297 INFO L168 Benchmark]: CACSL2BoogieTranslator took 779.14 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 99.5 MB in the beginning and 157.9 MB in the end (delta: -58.3 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. [2019-12-27 07:47:12,298 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.63 ms. Allocated memory is still 201.3 MB. Free memory was 157.9 MB in the beginning and 155.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-27 07:47:12,298 INFO L168 Benchmark]: Boogie Preprocessor took 29.47 ms. Allocated memory is still 201.3 MB. Free memory was 155.9 MB in the beginning and 154.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-12-27 07:47:12,301 INFO L168 Benchmark]: RCFGBuilder took 503.51 ms. Allocated memory is still 201.3 MB. Free memory was 153.9 MB in the beginning and 132.0 MB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. [2019-12-27 07:47:12,302 INFO L168 Benchmark]: TraceAbstraction took 3004.26 ms. Allocated memory was 201.3 MB in the beginning and 247.5 MB in the end (delta: 46.1 MB). Free memory was 132.0 MB in the beginning and 123.5 MB in the end (delta: 8.5 MB). Peak memory consumption was 54.6 MB. Max. memory is 7.1 GB. [2019-12-27 07:47:12,311 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.72 ms. Allocated memory is still 137.9 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 779.14 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 99.5 MB in the beginning and 157.9 MB in the end (delta: -58.3 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 52.63 ms. Allocated memory is still 201.3 MB. Free memory was 157.9 MB in the beginning and 155.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 29.47 ms. Allocated memory is still 201.3 MB. Free memory was 155.9 MB in the beginning and 154.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 503.51 ms. Allocated memory is still 201.3 MB. Free memory was 153.9 MB in the beginning and 132.0 MB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3004.26 ms. Allocated memory was 201.3 MB in the beginning and 247.5 MB in the end (delta: 46.1 MB). Free memory was 132.0 MB in the beginning and 123.5 MB in the end (delta: 8.5 MB). Peak memory consumption was 54.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.7s, 76 ProgramPointsBefore, 27 ProgramPointsAfterwards, 64 TransitionsBefore, 19 TransitionsAfterwards, 732 CoEnabledTransitionPairs, 6 FixpointIterations, 14 TrivialSequentialCompositions, 32 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 1 ChoiceCompositions, 352 VarBasedMoverChecksPositive, 14 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 721 CheckedPairsTotal, 48 TotalNumberOfCompositions - PositiveResult [Line: 4]: 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 5 procedures, 64 locations, 1 error locations. Result: SAFE, OverallTime: 2.8s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 93 SDtfs, 43 SDslu, 89 SDs, 0 SdLazy, 36 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=94occurred 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, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 66 ConstructedInterpolants, 0 QuantifiedInterpolants, 1972 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, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...