/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-MCR.epf -i ../../../trunk/examples/svcomp/pthread/stateful01-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 23:30:20,227 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 23:30:20,231 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 23:30:20,249 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 23:30:20,249 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 23:30:20,252 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 23:30:20,253 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 23:30:20,264 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 23:30:20,267 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 23:30:20,270 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 23:30:20,272 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 23:30:20,274 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 23:30:20,274 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 23:30:20,276 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 23:30:20,279 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 23:30:20,280 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 23:30:20,282 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 23:30:20,282 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 23:30:20,284 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 23:30:20,289 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 23:30:20,293 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 23:30:20,298 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 23:30:20,299 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 23:30:20,300 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 23:30:20,302 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-27 23:30:20,302 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-27 23:30:20,303 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-27 23:30:20,305 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-27 23:30:20,306 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-27 23:30:20,307 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-27 23:30:20,307 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 23:30:20,309 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 23:30:20,310 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 23:30:20,311 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 23:30:20,313 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 23:30:20,313 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 23:30:20,313 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 23:30:20,314 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 23:30:20,314 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 23:30:20,315 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 23:30:20,316 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 23:30:20,317 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-MCR.epf [2019-12-27 23:30:20,346 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 23:30:20,346 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 23:30:20,354 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 23:30:20,354 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 23:30:20,354 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 23:30:20,355 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 23:30:20,357 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 23:30:20,358 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 23:30:20,358 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 23:30:20,358 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 23:30:20,358 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 23:30:20,358 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 23:30:20,359 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 23:30:20,359 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 23:30:20,359 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 23:30:20,359 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 23:30:20,359 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 23:30:20,360 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 23:30:20,361 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 23:30:20,361 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 23:30:20,361 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 23:30:20,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 23:30:20,362 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 23:30:20,362 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 23:30:20,362 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 23:30:20,362 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 23:30:20,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 23:30:20,363 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2019-12-27 23:30:20,363 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-27 23:30:20,363 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 23:30:20,364 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2019-12-27 23:30:20,364 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 23:30:20,630 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 23:30:20,650 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 23:30:20,653 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 23:30:20,654 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 23:30:20,654 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 23:30:20,655 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stateful01-2.i [2019-12-27 23:30:20,728 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e9ccf1ba/3d052e273cef4206898f614f87ed2818/FLAG798b78871 [2019-12-27 23:30:21,273 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 23:30:21,276 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stateful01-2.i [2019-12-27 23:30:21,292 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e9ccf1ba/3d052e273cef4206898f614f87ed2818/FLAG798b78871 [2019-12-27 23:30:21,581 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e9ccf1ba/3d052e273cef4206898f614f87ed2818 [2019-12-27 23:30:21,590 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 23:30:21,592 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 23:30:21,593 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 23:30:21,594 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 23:30:21,597 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 23:30:21,598 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 11:30:21" (1/1) ... [2019-12-27 23:30:21,601 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78830e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:30:21, skipping insertion in model container [2019-12-27 23:30:21,601 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 11:30:21" (1/1) ... [2019-12-27 23:30:21,608 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 23:30:21,659 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 23:30:22,140 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 23:30:22,162 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 23:30:22,246 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 23:30:22,320 INFO L208 MainTranslator]: Completed translation [2019-12-27 23:30:22,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:30:22 WrapperNode [2019-12-27 23:30:22,321 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 23:30:22,322 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 23:30:22,322 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 23:30:22,322 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 23:30:22,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:30:22" (1/1) ... [2019-12-27 23:30:22,356 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:30:22" (1/1) ... [2019-12-27 23:30:22,380 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 23:30:22,380 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 23:30:22,380 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 23:30:22,380 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 23:30:22,387 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:30:22" (1/1) ... [2019-12-27 23:30:22,388 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:30:22" (1/1) ... [2019-12-27 23:30:22,391 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:30:22" (1/1) ... [2019-12-27 23:30:22,391 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:30:22" (1/1) ... [2019-12-27 23:30:22,397 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:30:22" (1/1) ... [2019-12-27 23:30:22,400 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:30:22" (1/1) ... [2019-12-27 23:30:22,402 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:30:22" (1/1) ... [2019-12-27 23:30:22,405 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 23:30:22,406 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 23:30:22,406 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 23:30:22,406 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 23:30:22,407 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:30:22" (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 23:30:22,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-27 23:30:22,473 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2019-12-27 23:30:22,473 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2019-12-27 23:30:22,474 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2019-12-27 23:30:22,474 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2019-12-27 23:30:22,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 23:30:22,474 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-12-27 23:30:22,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 23:30:22,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 23:30:22,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-27 23:30:22,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 23:30:22,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 23:30:22,477 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 23:30:22,877 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 23:30:22,877 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-12-27 23:30:22,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 11:30:22 BoogieIcfgContainer [2019-12-27 23:30:22,879 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 23:30:22,880 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 23:30:22,880 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 23:30:22,884 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 23:30:22,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 11:30:21" (1/3) ... [2019-12-27 23:30:22,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49e76df6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 11:30:22, skipping insertion in model container [2019-12-27 23:30:22,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:30:22" (2/3) ... [2019-12-27 23:30:22,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49e76df6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 11:30:22, skipping insertion in model container [2019-12-27 23:30:22,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 11:30:22" (3/3) ... [2019-12-27 23:30:22,887 INFO L109 eAbstractionObserver]: Analyzing ICFG stateful01-2.i [2019-12-27 23:30:22,898 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 23:30:22,898 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 23:30:22,906 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-27 23:30:22,907 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 23:30:22,937 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:22,938 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:22,938 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:22,939 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:22,939 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:22,940 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:22,940 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:22,940 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:22,941 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:22,941 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:22,941 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:22,942 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:22,942 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:22,942 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:22,943 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:22,943 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:22,943 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:22,944 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:22,944 WARN L315 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:22,944 WARN L315 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:22,944 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:22,945 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:22,945 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:22,946 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:22,946 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:22,946 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:22,951 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:22,951 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:22,952 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:22,952 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:22,952 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:22,952 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:22,953 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:22,953 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:22,959 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:22,959 WARN L315 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:22,960 WARN L315 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:22,960 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:22,960 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:22,960 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:22,984 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-27 23:30:23,006 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 23:30:23,006 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 23:30:23,006 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 23:30:23,007 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-27 23:30:23,007 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 23:30:23,007 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 23:30:23,007 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 23:30:23,007 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 23:30:23,020 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 82 places, 78 transitions [2019-12-27 23:30:23,070 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 747 states. [2019-12-27 23:30:23,073 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states. [2019-12-27 23:30:23,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-12-27 23:30:23,114 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 23:30:23,116 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 23:30:23,117 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 23:30:23,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 23:30:23,123 INFO L82 PathProgramCache]: Analyzing trace with hash 904462626, now seen corresponding path program 1 times [2019-12-27 23:30:23,136 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 23:30:23,136 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032298593] [2019-12-27 23:30:23,137 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 23:30:23,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 23:30:23,581 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 23:30:23,582 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032298593] [2019-12-27 23:30:23,583 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 23:30:23,583 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 23:30:23,584 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [766601922] [2019-12-27 23:30:23,585 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 23:30:23,648 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 23:30:23,802 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 211 states and 399 transitions. [2019-12-27 23:30:23,803 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 23:30:23,823 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 4 times. [2019-12-27 23:30:23,823 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 23:30:23,824 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 23:30:23,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 23:30:23,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 23:30:23,841 INFO L87 Difference]: Start difference. First operand 747 states. Second operand 3 states. [2019-12-27 23:30:23,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 23:30:23,946 INFO L93 Difference]: Finished difference Result 567 states and 1171 transitions. [2019-12-27 23:30:23,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 23:30:23,949 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2019-12-27 23:30:23,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 23:30:23,968 INFO L225 Difference]: With dead ends: 567 [2019-12-27 23:30:23,968 INFO L226 Difference]: Without dead ends: 559 [2019-12-27 23:30:23,972 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 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 23:30:24,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2019-12-27 23:30:24,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 559. [2019-12-27 23:30:24,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 559 states. [2019-12-27 23:30:24,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 559 states and 1163 transitions. [2019-12-27 23:30:24,111 INFO L78 Accepts]: Start accepts. Automaton has 559 states and 1163 transitions. Word has length 65 [2019-12-27 23:30:24,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 23:30:24,112 INFO L462 AbstractCegarLoop]: Abstraction has 559 states and 1163 transitions. [2019-12-27 23:30:24,112 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 23:30:24,112 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 1163 transitions. [2019-12-27 23:30:24,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-12-27 23:30:24,116 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 23:30:24,117 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 23:30:24,117 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 23:30:24,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 23:30:24,118 INFO L82 PathProgramCache]: Analyzing trace with hash -2136563226, now seen corresponding path program 2 times [2019-12-27 23:30:24,118 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 23:30:24,119 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860359067] [2019-12-27 23:30:24,119 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 23:30:24,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 23:30:24,392 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 23:30:24,393 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860359067] [2019-12-27 23:30:24,393 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 23:30:24,394 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-27 23:30:24,394 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1261013960] [2019-12-27 23:30:24,394 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 23:30:24,411 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 23:30:24,605 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 301 states and 605 transitions. [2019-12-27 23:30:24,606 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 23:30:24,672 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 19 times. [2019-12-27 23:30:24,674 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-27 23:30:24,674 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 23:30:24,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-27 23:30:24,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-12-27 23:30:24,675 INFO L87 Difference]: Start difference. First operand 559 states and 1163 transitions. Second operand 8 states. [2019-12-27 23:30:24,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 23:30:24,839 INFO L93 Difference]: Finished difference Result 753 states and 1568 transitions. [2019-12-27 23:30:24,840 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-27 23:30:24,840 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 65 [2019-12-27 23:30:24,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 23:30:24,844 INFO L225 Difference]: With dead ends: 753 [2019-12-27 23:30:24,844 INFO L226 Difference]: Without dead ends: 382 [2019-12-27 23:30:24,845 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2019-12-27 23:30:24,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2019-12-27 23:30:24,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 382. [2019-12-27 23:30:24,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2019-12-27 23:30:24,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 777 transitions. [2019-12-27 23:30:24,859 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 777 transitions. Word has length 65 [2019-12-27 23:30:24,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 23:30:24,860 INFO L462 AbstractCegarLoop]: Abstraction has 382 states and 777 transitions. [2019-12-27 23:30:24,860 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-27 23:30:24,860 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 777 transitions. [2019-12-27 23:30:24,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-12-27 23:30:24,862 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 23:30:24,862 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 23:30:24,862 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 23:30:24,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 23:30:24,863 INFO L82 PathProgramCache]: Analyzing trace with hash -376649920, now seen corresponding path program 3 times [2019-12-27 23:30:24,864 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 23:30:24,864 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299586765] [2019-12-27 23:30:24,864 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 23:30:24,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 23:30:25,023 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 23:30:25,024 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299586765] [2019-12-27 23:30:25,024 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 23:30:25,025 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-27 23:30:25,025 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [854691754] [2019-12-27 23:30:25,025 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 23:30:25,042 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 23:30:25,179 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 190 states and 347 transitions. [2019-12-27 23:30:25,180 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 23:30:25,194 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 7 times. [2019-12-27 23:30:25,194 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-27 23:30:25,195 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 23:30:25,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-27 23:30:25,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-27 23:30:25,196 INFO L87 Difference]: Start difference. First operand 382 states and 777 transitions. Second operand 6 states. [2019-12-27 23:30:25,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 23:30:25,252 INFO L93 Difference]: Finished difference Result 380 states and 775 transitions. [2019-12-27 23:30:25,253 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-27 23:30:25,253 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2019-12-27 23:30:25,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 23:30:25,254 INFO L225 Difference]: With dead ends: 380 [2019-12-27 23:30:25,254 INFO L226 Difference]: Without dead ends: 0 [2019-12-27 23:30:25,255 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-12-27 23:30:25,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-27 23:30:25,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-27 23:30:25,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-27 23:30:25,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-27 23:30:25,258 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 65 [2019-12-27 23:30:25,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 23:30:25,259 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-27 23:30:25,259 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-27 23:30:25,259 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-27 23:30:25,259 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-27 23:30:25,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 11:30:25 BasicIcfg [2019-12-27 23:30:25,265 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-27 23:30:25,269 INFO L168 Benchmark]: Toolchain (without parser) took 3675.32 ms. Allocated memory was 138.9 MB in the beginning and 342.9 MB in the end (delta: 203.9 MB). Free memory was 101.2 MB in the beginning and 191.8 MB in the end (delta: -90.6 MB). Peak memory consumption was 113.3 MB. Max. memory is 7.1 GB. [2019-12-27 23:30:25,271 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 138.9 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-12-27 23:30:25,273 INFO L168 Benchmark]: CACSL2BoogieTranslator took 727.85 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 100.8 MB in the beginning and 162.3 MB in the end (delta: -61.5 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. [2019-12-27 23:30:25,274 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.35 ms. Allocated memory is still 203.4 MB. Free memory was 162.3 MB in the beginning and 160.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-27 23:30:25,275 INFO L168 Benchmark]: Boogie Preprocessor took 25.11 ms. Allocated memory is still 203.4 MB. Free memory was 160.3 MB in the beginning and 159.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-12-27 23:30:25,281 INFO L168 Benchmark]: RCFGBuilder took 473.36 ms. Allocated memory is still 203.4 MB. Free memory was 159.0 MB in the beginning and 135.3 MB in the end (delta: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. [2019-12-27 23:30:25,282 INFO L168 Benchmark]: TraceAbstraction took 2385.23 ms. Allocated memory was 203.4 MB in the beginning and 342.9 MB in the end (delta: 139.5 MB). Free memory was 134.6 MB in the beginning and 191.8 MB in the end (delta: -57.2 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. [2019-12-27 23:30:25,296 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 138.9 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 727.85 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 100.8 MB in the beginning and 162.3 MB in the end (delta: -61.5 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 58.35 ms. Allocated memory is still 203.4 MB. Free memory was 162.3 MB in the beginning and 160.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 25.11 ms. Allocated memory is still 203.4 MB. Free memory was 160.3 MB in the beginning and 159.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 473.36 ms. Allocated memory is still 203.4 MB. Free memory was 159.0 MB in the beginning and 135.3 MB in the end (delta: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2385.23 ms. Allocated memory was 203.4 MB in the beginning and 342.9 MB in the end (delta: 139.5 MB). Free memory was 134.6 MB in the beginning and 191.8 MB in the end (delta: -57.2 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 708]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 76 locations, 1 error locations. Result: SAFE, OverallTime: 2.2s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 270 SDtfs, 68 SDslu, 757 SDs, 0 SdLazy, 108 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 49 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=747occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 195 NumberOfCodeBlocks, 195 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 192 ConstructedInterpolants, 0 QuantifiedInterpolants, 45696 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...