/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-SemanticLbe-McrStrategy.epf -i ../../../trunk/examples/svcomp/pthread-atomic/peterson.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b981219 [2020-04-18 07:36:26,479 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-04-18 07:36:26,481 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-04-18 07:36:26,493 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-04-18 07:36:26,494 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-04-18 07:36:26,495 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-04-18 07:36:26,496 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-04-18 07:36:26,498 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-04-18 07:36:26,499 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-04-18 07:36:26,500 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-04-18 07:36:26,501 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-04-18 07:36:26,502 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-04-18 07:36:26,502 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-04-18 07:36:26,503 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-04-18 07:36:26,504 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-04-18 07:36:26,505 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-04-18 07:36:26,506 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-04-18 07:36:26,507 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-04-18 07:36:26,509 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-04-18 07:36:26,512 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-04-18 07:36:26,514 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-04-18 07:36:26,517 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-04-18 07:36:26,521 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-04-18 07:36:26,522 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-04-18 07:36:26,524 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-04-18 07:36:26,525 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-04-18 07:36:26,525 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-04-18 07:36:26,526 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-04-18 07:36:26,526 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-04-18 07:36:26,527 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-04-18 07:36:26,527 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-04-18 07:36:26,528 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-04-18 07:36:26,529 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-04-18 07:36:26,529 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-04-18 07:36:26,530 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-04-18 07:36:26,531 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-04-18 07:36:26,531 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-04-18 07:36:26,532 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-04-18 07:36:26,532 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-04-18 07:36:26,533 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-04-18 07:36:26,533 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-04-18 07:36:26,534 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-SemanticLbe-McrStrategy.epf [2020-04-18 07:36:26,548 INFO L113 SettingsManager]: Loading preferences was successful [2020-04-18 07:36:26,549 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-04-18 07:36:26,550 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-04-18 07:36:26,550 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-04-18 07:36:26,550 INFO L138 SettingsManager]: * Use SBE=true [2020-04-18 07:36:26,550 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-04-18 07:36:26,550 INFO L138 SettingsManager]: * sizeof long=4 [2020-04-18 07:36:26,551 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-04-18 07:36:26,551 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-04-18 07:36:26,551 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-04-18 07:36:26,551 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-04-18 07:36:26,551 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-04-18 07:36:26,552 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-04-18 07:36:26,552 INFO L138 SettingsManager]: * sizeof long double=12 [2020-04-18 07:36:26,552 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-04-18 07:36:26,552 INFO L138 SettingsManager]: * Use constant arrays=true [2020-04-18 07:36:26,552 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-04-18 07:36:26,553 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-04-18 07:36:26,553 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-04-18 07:36:26,553 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-04-18 07:36:26,553 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-04-18 07:36:26,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-18 07:36:26,554 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-04-18 07:36:26,554 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-04-18 07:36:26,554 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-04-18 07:36:26,554 INFO L138 SettingsManager]: * Trace refinement strategy=MCR [2020-04-18 07:36:26,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-04-18 07:36:26,555 INFO L138 SettingsManager]: * Trace refinement strategy used in MCR=CAMEL [2020-04-18 07:36:26,555 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-04-18 07:36:26,555 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-04-18 07:36:26,827 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-04-18 07:36:26,838 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-04-18 07:36:26,841 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-04-18 07:36:26,843 INFO L271 PluginConnector]: Initializing CDTParser... [2020-04-18 07:36:26,843 INFO L275 PluginConnector]: CDTParser initialized [2020-04-18 07:36:26,844 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/peterson.i [2020-04-18 07:36:26,916 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83c8f3d79/64fb0600d8df48c18a4e49655319f6a4/FLAGb8a626853 [2020-04-18 07:36:27,419 INFO L306 CDTParser]: Found 1 translation units. [2020-04-18 07:36:27,420 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/peterson.i [2020-04-18 07:36:27,433 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83c8f3d79/64fb0600d8df48c18a4e49655319f6a4/FLAGb8a626853 [2020-04-18 07:36:27,726 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83c8f3d79/64fb0600d8df48c18a4e49655319f6a4 [2020-04-18 07:36:27,734 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-04-18 07:36:27,751 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-04-18 07:36:27,752 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-04-18 07:36:27,752 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-04-18 07:36:27,758 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-04-18 07:36:27,759 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 07:36:27" (1/1) ... [2020-04-18 07:36:27,762 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@675be5bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:36:27, skipping insertion in model container [2020-04-18 07:36:27,762 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 07:36:27" (1/1) ... [2020-04-18 07:36:27,770 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-04-18 07:36:27,826 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-04-18 07:36:28,332 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 07:36:28,345 INFO L203 MainTranslator]: Completed pre-run [2020-04-18 07:36:28,418 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 07:36:28,501 INFO L208 MainTranslator]: Completed translation [2020-04-18 07:36:28,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:36:28 WrapperNode [2020-04-18 07:36:28,502 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-04-18 07:36:28,503 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-04-18 07:36:28,503 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-04-18 07:36:28,504 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-04-18 07:36:28,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:36:28" (1/1) ... [2020-04-18 07:36:28,554 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:36:28" (1/1) ... [2020-04-18 07:36:28,573 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-04-18 07:36:28,574 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-04-18 07:36:28,574 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-04-18 07:36:28,574 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-04-18 07:36:28,582 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:36:28" (1/1) ... [2020-04-18 07:36:28,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:36:28" (1/1) ... [2020-04-18 07:36:28,585 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:36:28" (1/1) ... [2020-04-18 07:36:28,585 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:36:28" (1/1) ... [2020-04-18 07:36:28,590 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:36:28" (1/1) ... [2020-04-18 07:36:28,595 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:36:28" (1/1) ... [2020-04-18 07:36:28,596 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:36:28" (1/1) ... [2020-04-18 07:36:28,599 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-04-18 07:36:28,599 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-04-18 07:36:28,599 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-04-18 07:36:28,600 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-04-18 07:36:28,600 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:36:28" (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 [2020-04-18 07:36:28,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-04-18 07:36:28,659 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2020-04-18 07:36:28,659 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2020-04-18 07:36:28,659 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-04-18 07:36:28,660 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-04-18 07:36:28,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-04-18 07:36:28,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-04-18 07:36:28,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-04-18 07:36:28,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-04-18 07:36:28,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-04-18 07:36:28,662 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-04-18 07:36:29,001 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-04-18 07:36:29,001 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-04-18 07:36:29,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 07:36:29 BoogieIcfgContainer [2020-04-18 07:36:29,006 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-04-18 07:36:29,007 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-04-18 07:36:29,008 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-04-18 07:36:29,011 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-04-18 07:36:29,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 07:36:27" (1/3) ... [2020-04-18 07:36:29,013 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f3cc614 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 07:36:29, skipping insertion in model container [2020-04-18 07:36:29,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:36:28" (2/3) ... [2020-04-18 07:36:29,014 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f3cc614 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 07:36:29, skipping insertion in model container [2020-04-18 07:36:29,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 07:36:29" (3/3) ... [2020-04-18 07:36:29,016 INFO L109 eAbstractionObserver]: Analyzing ICFG peterson.i [2020-04-18 07:36:29,025 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-04-18 07:36:29,026 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-04-18 07:36:29,033 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-04-18 07:36:29,034 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-04-18 07:36:29,056 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:36:29,056 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:36:29,056 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:36:29,057 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:36:29,057 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:36:29,058 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:36:29,058 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:36:29,059 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:36:29,059 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:36:29,059 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:36:29,060 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:36:29,060 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:36:29,064 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:36:29,064 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:36:29,064 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:36:29,065 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:36:29,070 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:36:29,070 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:36:29,070 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:36:29,071 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:36:29,091 INFO L251 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-04-18 07:36:29,106 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-18 07:36:29,107 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-18 07:36:29,107 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-18 07:36:29,107 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-18 07:36:29,107 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-18 07:36:29,108 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-18 07:36:29,108 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-18 07:36:29,108 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-18 07:36:29,123 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 61 places, 62 transitions, 146 flow [2020-04-18 07:36:29,125 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 61 places, 62 transitions, 146 flow [2020-04-18 07:36:29,163 INFO L129 PetriNetUnfolder]: 7/62 cut-off events. [2020-04-18 07:36:29,164 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-04-18 07:36:29,169 INFO L80 FinitePrefix]: Finished finitePrefix Result has 73 conditions, 62 events. 7/62 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 58 event pairs, 0 based on Foata normal form. 0/54 useless extension candidates. Maximal degree in co-relation 39. Up to 3 conditions per place. [2020-04-18 07:36:29,171 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 61 places, 62 transitions, 146 flow [2020-04-18 07:36:29,189 INFO L129 PetriNetUnfolder]: 7/62 cut-off events. [2020-04-18 07:36:29,190 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-04-18 07:36:29,191 INFO L80 FinitePrefix]: Finished finitePrefix Result has 73 conditions, 62 events. 7/62 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 58 event pairs, 0 based on Foata normal form. 0/54 useless extension candidates. Maximal degree in co-relation 39. Up to 3 conditions per place. [2020-04-18 07:36:29,193 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 756 [2020-04-18 07:36:29,194 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-04-18 07:36:30,103 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2020-04-18 07:36:30,168 INFO L206 etLargeBlockEncoding]: Checked pairs total: 1396 [2020-04-18 07:36:30,169 INFO L214 etLargeBlockEncoding]: Total number of compositions: 33 [2020-04-18 07:36:30,173 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 34 places, 34 transitions, 90 flow [2020-04-18 07:36:30,194 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 197 states. [2020-04-18 07:36:30,197 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states. [2020-04-18 07:36:30,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-04-18 07:36:30,203 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 07:36:30,204 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-04-18 07:36:30,204 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 07:36:30,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 07:36:30,210 INFO L82 PathProgramCache]: Analyzing trace with hash -1379963486, now seen corresponding path program 1 times [2020-04-18 07:36:30,217 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 07:36:30,217 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1797833539] [2020-04-18 07:36:30,231 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 07:36:30,243 INFO L259 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions. [2020-04-18 07:36:30,244 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2020-04-18 07:36:30,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-04-18 07:36:30,244 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 07:36:30,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 07:36:30,245 INFO L82 PathProgramCache]: Analyzing trace with hash -1379963486, now seen corresponding path program 2 times [2020-04-18 07:36:30,249 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 07:36:30,249 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009070557] [2020-04-18 07:36:30,249 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 07:36:30,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 07:36:30,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 07:36:30,404 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009070557] [2020-04-18 07:36:30,405 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 07:36:30,405 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-18 07:36:30,406 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 07:36:30,407 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 07:36:30,408 INFO L259 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions. [2020-04-18 07:36:30,408 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 07:36:30,412 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 07:36:30,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-04-18 07:36:30,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-18 07:36:30,418 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 2 states. [2020-04-18 07:36:30,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 07:36:30,421 INFO L93 Difference]: Finished difference Result 7 states and 6 transitions. [2020-04-18 07:36:30,422 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2020-04-18 07:36:30,422 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 07:36:30,423 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [1797833539] [2020-04-18 07:36:30,423 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 07:36:30,423 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2] total 2 [2020-04-18 07:36:30,424 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [1797833539] [2020-04-18 07:36:30,425 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-04-18 07:36:30,425 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 07:36:30,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-04-18 07:36:30,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-18 07:36:30,430 INFO L87 Difference]: Start difference. First operand 197 states. Second operand 2 states. [2020-04-18 07:36:30,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 07:36:30,443 INFO L93 Difference]: Finished difference Result 197 states and 454 transitions. [2020-04-18 07:36:30,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-04-18 07:36:30,445 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2020-04-18 07:36:30,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 07:36:30,458 INFO L225 Difference]: With dead ends: 197 [2020-04-18 07:36:30,458 INFO L226 Difference]: Without dead ends: 174 [2020-04-18 07:36:30,460 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-18 07:36:30,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2020-04-18 07:36:30,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2020-04-18 07:36:30,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2020-04-18 07:36:30,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 406 transitions. [2020-04-18 07:36:30,515 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 406 transitions. Word has length 6 [2020-04-18 07:36:30,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 07:36:30,516 INFO L479 AbstractCegarLoop]: Abstraction has 174 states and 406 transitions. [2020-04-18 07:36:30,516 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-04-18 07:36:30,516 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 406 transitions. [2020-04-18 07:36:30,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-04-18 07:36:30,517 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 07:36:30,517 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-04-18 07:36:30,517 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 07:36:30,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 07:36:30,518 INFO L82 PathProgramCache]: Analyzing trace with hash 170777462, now seen corresponding path program 1 times [2020-04-18 07:36:30,518 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 07:36:30,518 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [23006991] [2020-04-18 07:36:30,519 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 07:36:30,519 INFO L259 McrAutomatonBuilder]: Finished intersection with 8 states and 7 transitions. [2020-04-18 07:36:30,520 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2020-04-18 07:36:30,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-04-18 07:36:30,520 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 07:36:30,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 07:36:30,521 INFO L82 PathProgramCache]: Analyzing trace with hash 170777462, now seen corresponding path program 2 times [2020-04-18 07:36:30,521 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 07:36:30,521 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746748959] [2020-04-18 07:36:30,522 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 07:36:30,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 07:36:30,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 07:36:30,581 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746748959] [2020-04-18 07:36:30,581 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 07:36:30,582 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-18 07:36:30,582 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 07:36:30,582 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 07:36:30,583 INFO L259 McrAutomatonBuilder]: Finished intersection with 8 states and 7 transitions. [2020-04-18 07:36:30,584 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 07:36:30,590 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 07:36:30,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 07:36:30,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 07:36:30,591 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 3 states. [2020-04-18 07:36:30,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 07:36:30,599 INFO L93 Difference]: Finished difference Result 8 states and 7 transitions. [2020-04-18 07:36:30,599 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2020-04-18 07:36:30,600 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 07:36:30,600 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [23006991] [2020-04-18 07:36:30,600 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 07:36:30,601 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2] total 2 [2020-04-18 07:36:30,601 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [23006991] [2020-04-18 07:36:30,601 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-18 07:36:30,602 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 07:36:30,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 07:36:30,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 07:36:30,603 INFO L87 Difference]: Start difference. First operand 174 states and 406 transitions. Second operand 3 states. [2020-04-18 07:36:30,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 07:36:30,644 INFO L93 Difference]: Finished difference Result 189 states and 416 transitions. [2020-04-18 07:36:30,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-18 07:36:30,646 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-04-18 07:36:30,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 07:36:30,648 INFO L225 Difference]: With dead ends: 189 [2020-04-18 07:36:30,649 INFO L226 Difference]: Without dead ends: 154 [2020-04-18 07:36:30,650 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 07:36:30,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2020-04-18 07:36:30,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 140. [2020-04-18 07:36:30,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-04-18 07:36:30,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 317 transitions. [2020-04-18 07:36:30,677 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 317 transitions. Word has length 7 [2020-04-18 07:36:30,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 07:36:30,678 INFO L479 AbstractCegarLoop]: Abstraction has 140 states and 317 transitions. [2020-04-18 07:36:30,678 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-18 07:36:30,678 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 317 transitions. [2020-04-18 07:36:30,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-04-18 07:36:30,679 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 07:36:30,679 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 07:36:30,680 INFO L427 AbstractCegarLoop]: === Iteration 3 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 07:36:30,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 07:36:30,681 INFO L82 PathProgramCache]: Analyzing trace with hash -1618546552, now seen corresponding path program 1 times [2020-04-18 07:36:30,681 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 07:36:30,682 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [19275254] [2020-04-18 07:36:30,684 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 07:36:30,685 INFO L259 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2020-04-18 07:36:30,686 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2020-04-18 07:36:30,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-04-18 07:36:30,686 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 07:36:30,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 07:36:30,687 INFO L82 PathProgramCache]: Analyzing trace with hash -1618546552, now seen corresponding path program 2 times [2020-04-18 07:36:30,689 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 07:36:30,689 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068117089] [2020-04-18 07:36:30,689 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 07:36:30,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 07:36:30,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 07:36:30,769 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068117089] [2020-04-18 07:36:30,770 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 07:36:30,770 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-18 07:36:30,770 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 07:36:30,771 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 07:36:30,772 INFO L259 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2020-04-18 07:36:30,772 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 07:36:30,776 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 07:36:30,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 07:36:30,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 07:36:30,776 INFO L87 Difference]: Start difference. First operand 10 states. Second operand 3 states. [2020-04-18 07:36:30,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 07:36:30,779 INFO L93 Difference]: Finished difference Result 10 states and 9 transitions. [2020-04-18 07:36:30,779 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2020-04-18 07:36:30,780 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 07:36:30,780 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [19275254] [2020-04-18 07:36:30,780 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 07:36:30,781 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2] total 2 [2020-04-18 07:36:30,781 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [19275254] [2020-04-18 07:36:30,781 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-18 07:36:30,781 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 07:36:30,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 07:36:30,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 07:36:30,782 INFO L87 Difference]: Start difference. First operand 140 states and 317 transitions. Second operand 3 states. [2020-04-18 07:36:30,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 07:36:30,798 INFO L93 Difference]: Finished difference Result 135 states and 290 transitions. [2020-04-18 07:36:30,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-18 07:36:30,799 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-04-18 07:36:30,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 07:36:30,800 INFO L225 Difference]: With dead ends: 135 [2020-04-18 07:36:30,801 INFO L226 Difference]: Without dead ends: 96 [2020-04-18 07:36:30,801 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 07:36:30,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2020-04-18 07:36:30,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2020-04-18 07:36:30,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-04-18 07:36:30,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 204 transitions. [2020-04-18 07:36:30,809 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 204 transitions. Word has length 9 [2020-04-18 07:36:30,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 07:36:30,811 INFO L479 AbstractCegarLoop]: Abstraction has 96 states and 204 transitions. [2020-04-18 07:36:30,811 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-18 07:36:30,811 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 204 transitions. [2020-04-18 07:36:30,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-04-18 07:36:30,812 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 07:36:30,812 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 07:36:30,813 INFO L427 AbstractCegarLoop]: === Iteration 4 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 07:36:30,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 07:36:30,813 INFO L82 PathProgramCache]: Analyzing trace with hash 1612301587, now seen corresponding path program 1 times [2020-04-18 07:36:30,813 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 07:36:30,814 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [857239107] [2020-04-18 07:36:30,814 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 07:36:30,815 INFO L259 McrAutomatonBuilder]: Finished intersection with 44 states and 73 transitions. [2020-04-18 07:36:30,816 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2020-04-18 07:36:30,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-04-18 07:36:30,817 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 07:36:30,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 07:36:30,817 INFO L82 PathProgramCache]: Analyzing trace with hash 1612627267, now seen corresponding path program 2 times [2020-04-18 07:36:30,818 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 07:36:30,818 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233043923] [2020-04-18 07:36:30,818 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 07:36:30,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 07:36:30,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 07:36:30,884 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233043923] [2020-04-18 07:36:30,885 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 07:36:30,885 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-18 07:36:30,885 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 07:36:30,887 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 07:36:30,889 INFO L259 McrAutomatonBuilder]: Finished intersection with 32 states and 48 transitions. [2020-04-18 07:36:30,890 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 07:36:30,897 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 2 times. [2020-04-18 07:36:30,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 07:36:30,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 07:36:30,898 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 3 states. [2020-04-18 07:36:30,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 07:36:30,903 INFO L93 Difference]: Finished difference Result 46 states and 74 transitions. [2020-04-18 07:36:30,903 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 74 transitions. [2020-04-18 07:36:30,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-04-18 07:36:30,905 INFO L105 Mcr]: ---- MCR iteration 1 ---- [2020-04-18 07:36:30,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 07:36:30,906 INFO L82 PathProgramCache]: Analyzing trace with hash 1612301587, now seen corresponding path program 3 times [2020-04-18 07:36:30,906 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 07:36:30,906 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189616792] [2020-04-18 07:36:30,906 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 07:36:30,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 07:36:31,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 07:36:31,007 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189616792] [2020-04-18 07:36:31,007 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 07:36:31,008 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-04-18 07:36:31,008 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 07:36:31,009 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 07:36:31,010 INFO L259 McrAutomatonBuilder]: Finished intersection with 26 states and 36 transitions. [2020-04-18 07:36:31,010 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 07:36:31,024 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 2 times. [2020-04-18 07:36:31,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-18 07:36:31,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-04-18 07:36:31,025 INFO L87 Difference]: Start difference. First operand 46 states and 74 transitions. Second operand 4 states. [2020-04-18 07:36:31,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 07:36:31,042 INFO L93 Difference]: Finished difference Result 63 states and 97 transitions. [2020-04-18 07:36:31,042 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 97 transitions. [2020-04-18 07:36:31,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-04-18 07:36:31,043 INFO L105 Mcr]: ---- MCR iteration 2 ---- [2020-04-18 07:36:31,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 07:36:31,044 INFO L82 PathProgramCache]: Analyzing trace with hash -1894970123, now seen corresponding path program 4 times [2020-04-18 07:36:31,044 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 07:36:31,044 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939124866] [2020-04-18 07:36:31,044 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 07:36:31,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 07:36:31,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 07:36:31,082 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939124866] [2020-04-18 07:36:31,082 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 07:36:31,082 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-04-18 07:36:31,082 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 07:36:31,083 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 07:36:31,085 INFO L259 McrAutomatonBuilder]: Finished intersection with 28 states and 37 transitions. [2020-04-18 07:36:31,085 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 07:36:31,107 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 1 times. [2020-04-18 07:36:31,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-18 07:36:31,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-04-18 07:36:31,107 INFO L87 Difference]: Start difference. First operand 63 states and 97 transitions. Second operand 4 states. [2020-04-18 07:36:31,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 07:36:31,120 INFO L93 Difference]: Finished difference Result 80 states and 120 transitions. [2020-04-18 07:36:31,121 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 120 transitions. [2020-04-18 07:36:31,121 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 07:36:31,122 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [857239107] [2020-04-18 07:36:31,125 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 07:36:31,125 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-04-18 07:36:31,125 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [857239107] [2020-04-18 07:36:31,126 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-04-18 07:36:31,126 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 07:36:31,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-04-18 07:36:31,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-04-18 07:36:31,127 INFO L87 Difference]: Start difference. First operand 96 states and 204 transitions. Second operand 7 states. [2020-04-18 07:36:31,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 07:36:31,282 INFO L93 Difference]: Finished difference Result 66 states and 152 transitions. [2020-04-18 07:36:31,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-04-18 07:36:31,283 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 13 [2020-04-18 07:36:31,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 07:36:31,283 INFO L225 Difference]: With dead ends: 66 [2020-04-18 07:36:31,284 INFO L226 Difference]: Without dead ends: 0 [2020-04-18 07:36:31,284 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-04-18 07:36:31,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-04-18 07:36:31,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-04-18 07:36:31,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-04-18 07:36:31,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-04-18 07:36:31,285 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2020-04-18 07:36:31,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 07:36:31,285 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-04-18 07:36:31,285 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-04-18 07:36:31,286 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-04-18 07:36:31,286 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 07:36:31,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 07:36:31 BasicIcfg [2020-04-18 07:36:31,290 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-04-18 07:36:31,292 INFO L168 Benchmark]: Toolchain (without parser) took 3556.22 ms. Allocated memory was 138.4 MB in the beginning and 250.1 MB in the end (delta: 111.7 MB). Free memory was 101.9 MB in the beginning and 180.7 MB in the end (delta: -78.7 MB). Peak memory consumption was 32.9 MB. Max. memory is 7.1 GB. [2020-04-18 07:36:31,293 INFO L168 Benchmark]: CDTParser took 0.45 ms. Allocated memory is still 138.4 MB. Free memory was 121.6 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. [2020-04-18 07:36:31,294 INFO L168 Benchmark]: CACSL2BoogieTranslator took 750.76 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 99.9 MB in the beginning and 162.2 MB in the end (delta: -62.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. [2020-04-18 07:36:31,294 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.51 ms. Allocated memory is still 202.4 MB. Free memory was 162.2 MB in the beginning and 160.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-04-18 07:36:31,295 INFO L168 Benchmark]: Boogie Preprocessor took 25.25 ms. Allocated memory is still 202.4 MB. Free memory was 160.2 MB in the beginning and 158.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-04-18 07:36:31,296 INFO L168 Benchmark]: RCFGBuilder took 407.15 ms. Allocated memory is still 202.4 MB. Free memory was 158.9 MB in the beginning and 138.9 MB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. [2020-04-18 07:36:31,297 INFO L168 Benchmark]: TraceAbstraction took 2282.36 ms. Allocated memory was 202.4 MB in the beginning and 250.1 MB in the end (delta: 47.7 MB). Free memory was 138.3 MB in the beginning and 180.7 MB in the end (delta: -42.4 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. [2020-04-18 07:36:31,301 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 ms. Allocated memory is still 138.4 MB. Free memory was 121.6 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 750.76 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 99.9 MB in the beginning and 162.2 MB in the end (delta: -62.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 70.51 ms. Allocated memory is still 202.4 MB. Free memory was 162.2 MB in the beginning and 160.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 25.25 ms. Allocated memory is still 202.4 MB. Free memory was 160.2 MB in the beginning and 158.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 407.15 ms. Allocated memory is still 202.4 MB. Free memory was 158.9 MB in the beginning and 138.9 MB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2282.36 ms. Allocated memory was 202.4 MB in the beginning and 250.1 MB in the end (delta: 47.7 MB). Free memory was 138.3 MB in the beginning and 180.7 MB in the end (delta: -42.4 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.0s, 61 ProgramPointsBefore, 34 ProgramPointsAfterwards, 62 TransitionsBefore, 34 TransitionsAfterwards, 756 CoEnabledTransitionPairs, 6 FixpointIterations, 17 TrivialSequentialCompositions, 11 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 1 ChoiceCompositions, 330 VarBasedMoverChecksPositive, 31 VarBasedMoverChecksNegative, 18 SemBasedMoverChecksPositive, 19 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.1s, 0 MoverChecksTotal, 1396 CheckedPairsTotal, 33 TotalNumberOfCompositions - PositiveResult [Line: 690]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 681]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 55 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.1s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.0s, HoareTripleCheckerStatistics: 124 SDtfs, 67 SDslu, 72 SDs, 0 SdLazy, 50 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 74 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=197occurred 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, 4 MinimizatonAttempts, 14 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, 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...