/usr/bin/java -Xmx16000000000 -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/VMCAI2021_PN.epf -i ../../../trunk/examples/svcomp/pthread/bigshot_p.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-11 16:24:47,879 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-11 16:24:47,881 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-11 16:24:47,906 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-11 16:24:47,906 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-11 16:24:47,907 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-11 16:24:47,908 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-11 16:24:47,910 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-11 16:24:47,912 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-11 16:24:47,913 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-11 16:24:47,913 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-11 16:24:47,915 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-11 16:24:47,915 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-11 16:24:47,916 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-11 16:24:47,917 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-11 16:24:47,918 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-11 16:24:47,919 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-11 16:24:47,919 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-11 16:24:47,921 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-11 16:24:47,923 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-11 16:24:47,924 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-11 16:24:47,925 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-11 16:24:47,929 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-11 16:24:47,930 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-11 16:24:47,936 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-11 16:24:47,938 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-11 16:24:47,938 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-11 16:24:47,939 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-11 16:24:47,940 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-11 16:24:47,942 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-11 16:24:47,942 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-11 16:24:47,943 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-11 16:24:47,944 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-11 16:24:47,944 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-11 16:24:47,947 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-11 16:24:47,947 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-11 16:24:47,948 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-11 16:24:47,948 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-11 16:24:47,948 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-11 16:24:47,949 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-11 16:24:47,950 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-11 16:24:47,951 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/VMCAI2021_PN.epf [2020-10-11 16:24:48,001 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-11 16:24:48,001 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-11 16:24:48,006 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-11 16:24:48,006 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-11 16:24:48,007 INFO L138 SettingsManager]: * Use SBE=true [2020-10-11 16:24:48,007 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-11 16:24:48,007 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-11 16:24:48,007 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-11 16:24:48,007 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-11 16:24:48,008 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-11 16:24:48,008 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-11 16:24:48,008 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-11 16:24:48,008 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-11 16:24:48,008 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-11 16:24:48,008 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-11 16:24:48,009 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-11 16:24:48,009 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-11 16:24:48,009 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-11 16:24:48,010 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-11 16:24:48,010 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-11 16:24:48,010 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-11 16:24:48,010 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-11 16:24:48,010 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-11 16:24:48,010 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-11 16:24:48,011 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-11 16:24:48,011 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-11 16:24:48,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-11 16:24:48,011 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-10-11 16:24:48,011 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-10-11 16:24:48,012 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-11 16:24:48,344 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-11 16:24:48,362 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-11 16:24:48,367 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-11 16:24:48,368 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-11 16:24:48,368 INFO L275 PluginConnector]: CDTParser initialized [2020-10-11 16:24:48,369 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/bigshot_p.i [2020-10-11 16:24:48,444 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d42cc6597/9523c971e34c443ab83c9a82df7ca43d/FLAGca29e4169 [2020-10-11 16:24:48,992 INFO L306 CDTParser]: Found 1 translation units. [2020-10-11 16:24:48,992 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/bigshot_p.i [2020-10-11 16:24:49,017 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d42cc6597/9523c971e34c443ab83c9a82df7ca43d/FLAGca29e4169 [2020-10-11 16:24:49,254 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d42cc6597/9523c971e34c443ab83c9a82df7ca43d [2020-10-11 16:24:49,264 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-11 16:24:49,266 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-11 16:24:49,269 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-11 16:24:49,269 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-11 16:24:49,273 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-11 16:24:49,274 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 04:24:49" (1/1) ... [2020-10-11 16:24:49,277 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1209bdcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:24:49, skipping insertion in model container [2020-10-11 16:24:49,278 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 04:24:49" (1/1) ... [2020-10-11 16:24:49,286 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-11 16:24:49,346 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-11 16:24:49,882 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 16:24:49,996 INFO L203 MainTranslator]: Completed pre-run [2020-10-11 16:24:50,078 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 16:24:50,247 INFO L208 MainTranslator]: Completed translation [2020-10-11 16:24:50,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:24:50 WrapperNode [2020-10-11 16:24:50,248 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-11 16:24:50,249 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-11 16:24:50,249 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-11 16:24:50,249 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-11 16:24:50,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:24:50" (1/1) ... [2020-10-11 16:24:50,280 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:24:50" (1/1) ... [2020-10-11 16:24:50,306 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-11 16:24:50,307 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-11 16:24:50,307 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-11 16:24:50,307 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-11 16:24:50,316 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:24:50" (1/1) ... [2020-10-11 16:24:50,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:24:50" (1/1) ... [2020-10-11 16:24:50,320 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:24:50" (1/1) ... [2020-10-11 16:24:50,321 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:24:50" (1/1) ... [2020-10-11 16:24:50,328 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:24:50" (1/1) ... [2020-10-11 16:24:50,333 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:24:50" (1/1) ... [2020-10-11 16:24:50,335 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:24:50" (1/1) ... [2020-10-11 16:24:50,339 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-11 16:24:50,340 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-11 16:24:50,340 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-11 16:24:50,340 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-11 16:24:50,341 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:24:50" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-11 16:24:50,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-11 16:24:50,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-11 16:24:50,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-11 16:24:50,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-11 16:24:50,405 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-11 16:24:50,405 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-11 16:24:50,406 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-11 16:24:50,406 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-11 16:24:50,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-11 16:24:50,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-11 16:24:50,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-11 16:24:50,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-11 16:24:50,408 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-11 16:24:50,808 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-11 16:24:50,808 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-11 16:24:50,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 04:24:50 BoogieIcfgContainer [2020-10-11 16:24:50,811 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-11 16:24:50,812 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-11 16:24:50,812 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-11 16:24:50,816 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-11 16:24:50,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 04:24:49" (1/3) ... [2020-10-11 16:24:50,817 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10369f09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 04:24:50, skipping insertion in model container [2020-10-11 16:24:50,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:24:50" (2/3) ... [2020-10-11 16:24:50,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10369f09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 04:24:50, skipping insertion in model container [2020-10-11 16:24:50,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 04:24:50" (3/3) ... [2020-10-11 16:24:50,820 INFO L111 eAbstractionObserver]: Analyzing ICFG bigshot_p.i [2020-10-11 16:24:50,831 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-11 16:24:50,840 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-11 16:24:50,841 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-11 16:24:50,869 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,869 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,869 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,869 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,870 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,870 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,870 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,871 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,871 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#ptr.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,871 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#product| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,871 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#sizeOfFields| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,872 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#amountOfFields| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,872 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#ptr.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,872 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#ptr.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,872 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,873 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,873 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,873 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,874 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,874 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,874 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,874 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,875 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,875 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,875 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,876 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,876 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,876 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,876 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,877 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,877 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,877 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,877 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,878 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,878 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,878 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,878 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,879 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,879 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,879 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,879 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,880 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,880 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,880 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,880 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,881 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,881 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,881 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,881 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,882 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,882 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,882 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,882 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,883 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,883 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,886 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,887 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,887 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#product| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,887 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,888 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,888 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,888 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#sizeOfFields| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,888 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#ptr.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,889 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,889 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#amountOfFields| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,889 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#ptr.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,899 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,900 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,900 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,900 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,901 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,901 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,901 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,901 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,902 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,902 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,902 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,902 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,903 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,903 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:24:50,927 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-11 16:24:50,949 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-11 16:24:50,949 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-11 16:24:50,949 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-11 16:24:50,950 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-11 16:24:50,950 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-11 16:24:50,950 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-11 16:24:50,950 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-11 16:24:50,950 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-11 16:24:50,965 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 72 places, 72 transitions, 166 flow [2020-10-11 16:24:51,012 INFO L129 PetriNetUnfolder]: 6/72 cut-off events. [2020-10-11 16:24:51,012 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-11 16:24:51,017 INFO L80 FinitePrefix]: Finished finitePrefix Result has 83 conditions, 72 events. 6/72 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 88 event pairs, 0 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 45. Up to 3 conditions per place. [2020-10-11 16:24:51,018 INFO L82 GeneralOperation]: Start removeDead. Operand has 72 places, 72 transitions, 166 flow [2020-10-11 16:24:51,024 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 60 places, 59 transitions, 136 flow [2020-10-11 16:24:51,054 INFO L129 PetriNetUnfolder]: 5/60 cut-off events. [2020-10-11 16:24:51,054 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-11 16:24:51,055 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 16:24:51,056 INFO L255 CegarLoopForPetriNet]: 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] [2020-10-11 16:24:51,056 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 16:24:51,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 16:24:51,063 INFO L82 PathProgramCache]: Analyzing trace with hash 867763907, now seen corresponding path program 1 times [2020-10-11 16:24:51,072 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 16:24:51,073 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751460417] [2020-10-11 16:24:51,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 16:24:51,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 16:24:51,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 16:24:51,474 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751460417] [2020-10-11 16:24:51,475 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 16:24:51,475 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-11 16:24:51,477 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155574490] [2020-10-11 16:24:51,488 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-11 16:24:51,488 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 16:24:51,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-11 16:24:51,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-11 16:24:51,815 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 72 [2020-10-11 16:24:51,817 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 59 transitions, 136 flow. Second operand 5 states. [2020-10-11 16:24:51,818 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 16:24:51,818 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 72 [2020-10-11 16:24:51,819 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 16:24:51,917 INFO L129 PetriNetUnfolder]: 14/143 cut-off events. [2020-10-11 16:24:51,917 INFO L130 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2020-10-11 16:24:51,918 INFO L80 FinitePrefix]: Finished finitePrefix Result has 196 conditions, 143 events. 14/143 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 507 event pairs, 1 based on Foata normal form. 11/147 useless extension candidates. Maximal degree in co-relation 109. Up to 20 conditions per place. [2020-10-11 16:24:51,921 INFO L132 encePairwiseOnDemand]: 64/72 looper letters, 9 selfloop transitions, 8 changer transitions 1/66 dead transitions. [2020-10-11 16:24:51,921 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 66 transitions, 186 flow [2020-10-11 16:24:51,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-11 16:24:51,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-11 16:24:51,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 378 transitions. [2020-10-11 16:24:51,939 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.875 [2020-10-11 16:24:51,940 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 378 transitions. [2020-10-11 16:24:51,941 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 378 transitions. [2020-10-11 16:24:51,943 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 16:24:51,947 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 378 transitions. [2020-10-11 16:24:51,954 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-11 16:24:51,978 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-11 16:24:51,978 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-11 16:24:51,984 INFO L185 Difference]: Start difference. First operand has 60 places, 59 transitions, 136 flow. Second operand 6 states and 378 transitions. [2020-10-11 16:24:51,985 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 66 transitions, 186 flow [2020-10-11 16:24:51,995 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 66 transitions, 174 flow, removed 0 selfloop flow, removed 4 redundant places. [2020-10-11 16:24:52,004 INFO L241 Difference]: Finished difference. Result has 64 places, 64 transitions, 176 flow [2020-10-11 16:24:52,008 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=72, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=176, PETRI_PLACES=64, PETRI_TRANSITIONS=64} [2020-10-11 16:24:52,010 INFO L341 CegarLoopForPetriNet]: 60 programPoint places, 4 predicate places. [2020-10-11 16:24:52,010 INFO L481 AbstractCegarLoop]: Abstraction has has 64 places, 64 transitions, 176 flow [2020-10-11 16:24:52,010 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-11 16:24:52,010 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 16:24:52,011 INFO L255 CegarLoopForPetriNet]: 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] [2020-10-11 16:24:52,011 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-11 16:24:52,012 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 16:24:52,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 16:24:52,012 INFO L82 PathProgramCache]: Analyzing trace with hash 1476936145, now seen corresponding path program 2 times [2020-10-11 16:24:52,012 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 16:24:52,013 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243705569] [2020-10-11 16:24:52,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 16:24:52,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 16:24:52,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 16:24:52,150 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243705569] [2020-10-11 16:24:52,151 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 16:24:52,151 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-11 16:24:52,151 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981200568] [2020-10-11 16:24:52,153 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-11 16:24:52,153 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 16:24:52,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-11 16:24:52,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-11 16:24:52,251 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 72 [2020-10-11 16:24:52,251 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 64 transitions, 176 flow. Second operand 4 states. [2020-10-11 16:24:52,252 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 16:24:52,252 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 72 [2020-10-11 16:24:52,252 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 16:24:52,290 INFO L129 PetriNetUnfolder]: 14/149 cut-off events. [2020-10-11 16:24:52,291 INFO L130 PetriNetUnfolder]: For 21/22 co-relation queries the response was YES. [2020-10-11 16:24:52,292 INFO L80 FinitePrefix]: Finished finitePrefix Result has 220 conditions, 149 events. 14/149 cut-off events. For 21/22 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 557 event pairs, 1 based on Foata normal form. 3/147 useless extension candidates. Maximal degree in co-relation 180. Up to 23 conditions per place. [2020-10-11 16:24:52,293 INFO L132 encePairwiseOnDemand]: 69/72 looper letters, 4 selfloop transitions, 2 changer transitions 0/65 dead transitions. [2020-10-11 16:24:52,293 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 65 transitions, 190 flow [2020-10-11 16:24:52,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-11 16:24:52,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-11 16:24:52,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 267 transitions. [2020-10-11 16:24:52,296 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9270833333333334 [2020-10-11 16:24:52,296 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 267 transitions. [2020-10-11 16:24:52,296 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 267 transitions. [2020-10-11 16:24:52,296 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 16:24:52,297 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 267 transitions. [2020-10-11 16:24:52,298 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 5 states. [2020-10-11 16:24:52,299 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 5 states. [2020-10-11 16:24:52,300 INFO L81 ComplementDD]: Finished complementDD. Result 5 states. [2020-10-11 16:24:52,300 INFO L185 Difference]: Start difference. First operand has 64 places, 64 transitions, 176 flow. Second operand 4 states and 267 transitions. [2020-10-11 16:24:52,300 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 65 transitions, 190 flow [2020-10-11 16:24:52,302 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 65 transitions, 185 flow, removed 1 selfloop flow, removed 2 redundant places. [2020-10-11 16:24:52,304 INFO L241 Difference]: Finished difference. Result has 66 places, 64 transitions, 178 flow [2020-10-11 16:24:52,305 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=72, PETRI_DIFFERENCE_MINUEND_FLOW=171, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=178, PETRI_PLACES=66, PETRI_TRANSITIONS=64} [2020-10-11 16:24:52,306 INFO L341 CegarLoopForPetriNet]: 60 programPoint places, 6 predicate places. [2020-10-11 16:24:52,306 INFO L481 AbstractCegarLoop]: Abstraction has has 66 places, 64 transitions, 178 flow [2020-10-11 16:24:52,306 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-11 16:24:52,306 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 16:24:52,306 INFO L255 CegarLoopForPetriNet]: 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] [2020-10-11 16:24:52,307 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-11 16:24:52,307 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 16:24:52,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 16:24:52,307 INFO L82 PathProgramCache]: Analyzing trace with hash 1499338005, now seen corresponding path program 1 times [2020-10-11 16:24:52,308 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 16:24:52,308 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290410295] [2020-10-11 16:24:52,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 16:24:52,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 16:24:52,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 16:24:52,398 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290410295] [2020-10-11 16:24:52,399 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 16:24:52,399 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-11 16:24:52,399 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203423281] [2020-10-11 16:24:52,400 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-11 16:24:52,401 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 16:24:52,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-11 16:24:52,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-11 16:24:52,500 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 72 [2020-10-11 16:24:52,501 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 64 transitions, 178 flow. Second operand 5 states. [2020-10-11 16:24:52,501 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 16:24:52,501 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 72 [2020-10-11 16:24:52,501 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 16:24:52,562 INFO L129 PetriNetUnfolder]: 12/157 cut-off events. [2020-10-11 16:24:52,562 INFO L130 PetriNetUnfolder]: For 21/22 co-relation queries the response was YES. [2020-10-11 16:24:52,564 INFO L80 FinitePrefix]: Finished finitePrefix Result has 244 conditions, 157 events. 12/157 cut-off events. For 21/22 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 607 event pairs, 1 based on Foata normal form. 3/154 useless extension candidates. Maximal degree in co-relation 182. Up to 23 conditions per place. [2020-10-11 16:24:52,566 INFO L132 encePairwiseOnDemand]: 68/72 looper letters, 8 selfloop transitions, 0 changer transitions 4/67 dead transitions. [2020-10-11 16:24:52,566 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 67 transitions, 208 flow [2020-10-11 16:24:52,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-11 16:24:52,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-11 16:24:52,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 308 transitions. [2020-10-11 16:24:52,569 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.8555555555555555 [2020-10-11 16:24:52,570 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 308 transitions. [2020-10-11 16:24:52,570 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 308 transitions. [2020-10-11 16:24:52,570 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 16:24:52,570 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 308 transitions. [2020-10-11 16:24:52,572 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 6 states. [2020-10-11 16:24:52,575 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 6 states. [2020-10-11 16:24:52,575 INFO L81 ComplementDD]: Finished complementDD. Result 6 states. [2020-10-11 16:24:52,579 INFO L185 Difference]: Start difference. First operand has 66 places, 64 transitions, 178 flow. Second operand 5 states and 308 transitions. [2020-10-11 16:24:52,580 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 67 transitions, 208 flow [2020-10-11 16:24:52,584 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 67 transitions, 205 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-11 16:24:52,587 INFO L241 Difference]: Finished difference. Result has 71 places, 63 transitions, 179 flow [2020-10-11 16:24:52,593 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=72, PETRI_DIFFERENCE_MINUEND_FLOW=175, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=179, PETRI_PLACES=71, PETRI_TRANSITIONS=63} [2020-10-11 16:24:52,594 INFO L341 CegarLoopForPetriNet]: 60 programPoint places, 11 predicate places. [2020-10-11 16:24:52,594 INFO L481 AbstractCegarLoop]: Abstraction has has 71 places, 63 transitions, 179 flow [2020-10-11 16:24:52,594 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-11 16:24:52,594 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 16:24:52,595 INFO L255 CegarLoopForPetriNet]: 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] [2020-10-11 16:24:52,595 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-11 16:24:52,595 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 16:24:52,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 16:24:52,596 INFO L82 PathProgramCache]: Analyzing trace with hash 1736776088, now seen corresponding path program 1 times [2020-10-11 16:24:52,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 16:24:52,597 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235230870] [2020-10-11 16:24:52,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 16:24:52,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-11 16:24:52,647 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-11 16:24:52,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-11 16:24:52,668 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-11 16:24:52,700 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-11 16:24:52,700 INFO L519 BasicCegarLoop]: Counterexample might be feasible [2020-10-11 16:24:52,701 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-11 16:24:52,730 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 16:24:52,731 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 16:24:52,732 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 16:24:52,732 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 16:24:52,733 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 16:24:52,733 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 16:24:52,734 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 16:24:52,734 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 16:24:52,735 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 16:24:52,735 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 16:24:52,735 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 16:24:52,736 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 16:24:52,736 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 16:24:52,737 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 16:24:52,737 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 16:24:52,738 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 16:24:52,738 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 16:24:52,738 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 16:24:52,739 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 16:24:52,739 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 16:24:52,740 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 16:24:52,740 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 16:24:52,741 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 16:24:52,741 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 16:24:52,741 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 16:24:52,742 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 16:24:52,742 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 16:24:52,743 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 16:24:52,743 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 16:24:52,743 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 16:24:52,744 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 16:24:52,744 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 16:24:52,745 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 16:24:52,745 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 16:24:52,746 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 16:24:52,746 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 16:24:52,746 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 16:24:52,747 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 16:24:52,747 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 16:24:52,747 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 16:24:52,748 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 16:24:52,748 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 16:24:52,749 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 16:24:52,749 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 16:24:52,749 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 16:24:52,750 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 16:24:52,750 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 16:24:52,750 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 16:24:52,751 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 16:24:52,751 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 16:24:52,752 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 16:24:52,752 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 16:24:52,752 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 16:24:52,752 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 16:24:52,753 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 16:24:52,753 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 16:24:52,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 04:24:52 BasicIcfg [2020-10-11 16:24:52,780 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-11 16:24:52,783 INFO L168 Benchmark]: Toolchain (without parser) took 3516.00 ms. Allocated memory was 251.1 MB in the beginning and 361.2 MB in the end (delta: 110.1 MB). Free memory was 207.3 MB in the beginning and 170.7 MB in the end (delta: 36.6 MB). Peak memory consumption was 146.7 MB. Max. memory is 14.2 GB. [2020-10-11 16:24:52,784 INFO L168 Benchmark]: CDTParser took 1.35 ms. Allocated memory is still 251.1 MB. Free memory was 229.2 MB in the beginning and 228.4 MB in the end (delta: 838.9 kB). Peak memory consumption was 838.9 kB. Max. memory is 14.2 GB. [2020-10-11 16:24:52,785 INFO L168 Benchmark]: CACSL2BoogieTranslator took 979.88 ms. Allocated memory was 251.1 MB in the beginning and 315.1 MB in the end (delta: 64.0 MB). Free memory was 207.3 MB in the beginning and 234.0 MB in the end (delta: -26.8 MB). Peak memory consumption was 47.7 MB. Max. memory is 14.2 GB. [2020-10-11 16:24:52,786 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.18 ms. Allocated memory is still 315.1 MB. Free memory was 234.0 MB in the beginning and 231.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 14.2 GB. [2020-10-11 16:24:52,789 INFO L168 Benchmark]: Boogie Preprocessor took 32.90 ms. Allocated memory is still 315.1 MB. Free memory was 231.5 MB in the beginning and 229.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. [2020-10-11 16:24:52,790 INFO L168 Benchmark]: RCFGBuilder took 471.05 ms. Allocated memory is still 315.1 MB. Free memory was 229.8 MB in the beginning and 204.4 MB in the end (delta: 25.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 14.2 GB. [2020-10-11 16:24:52,792 INFO L168 Benchmark]: TraceAbstraction took 1967.59 ms. Allocated memory was 315.1 MB in the beginning and 361.2 MB in the end (delta: 46.1 MB). Free memory was 204.4 MB in the beginning and 170.7 MB in the end (delta: 33.7 MB). Peak memory consumption was 79.8 MB. Max. memory is 14.2 GB. [2020-10-11 16:24:52,802 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.35 ms. Allocated memory is still 251.1 MB. Free memory was 229.2 MB in the beginning and 228.4 MB in the end (delta: 838.9 kB). Peak memory consumption was 838.9 kB. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 979.88 ms. Allocated memory was 251.1 MB in the beginning and 315.1 MB in the end (delta: 64.0 MB). Free memory was 207.3 MB in the beginning and 234.0 MB in the end (delta: -26.8 MB). Peak memory consumption was 47.7 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 57.18 ms. Allocated memory is still 315.1 MB. Free memory was 234.0 MB in the beginning and 231.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 32.90 ms. Allocated memory is still 315.1 MB. Free memory was 231.5 MB in the beginning and 229.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. * RCFGBuilder took 471.05 ms. Allocated memory is still 315.1 MB. Free memory was 229.8 MB in the beginning and 204.4 MB in the end (delta: 25.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 14.2 GB. * TraceAbstraction took 1967.59 ms. Allocated memory was 315.1 MB in the beginning and 361.2 MB in the end (delta: 46.1 MB). Free memory was 204.4 MB in the beginning and 170.7 MB in the end (delta: 33.7 MB). Peak memory consumption was 79.8 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1088]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L1089] 0 char *v; VAL [v={0:0}] [L1102] 0 pthread_t t1, t2; VAL [v={0:0}] [L1103] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [v={0:0}] [L1104] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [v={0:0}] [L1097] COND FALSE 2 !(\read(*v)) VAL [v={0:0}] [L1092] 1 v = calloc(8, sizeof(char)) VAL [v={3:0}] [L1093] 1 return 0; VAL [v={3:0}] [L1105] 0 \read(t1) VAL [v={3:0}] [L1105] FCALL, JOIN 1 pthread_join(t1, 0) VAL [v={3:0}] [L1106] 0 \read(t2) VAL [v={3:0}] [L1098] 2 return 0; VAL [v={3:0}] [L1106] FCALL, JOIN 2 pthread_join(t2, 0) VAL [v={3:0}] [L1107] 0 !v || v[0] == 'B' VAL [v={3:0}] [L1107] EXPR 0 v[0] VAL [v={3:0}] [L1107] 0 !v || v[0] == 'B' VAL [v={3:0}] [L1088] COND TRUE 0 !expression VAL [v={3:0}] [L1088] 0 __VERIFIER_error() VAL [v={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 66 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 1.7s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 72 SDtfs, 56 SDslu, 78 SDs, 0 SdLazy, 154 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=179occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 158 NumberOfCodeBlocks, 158 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 114 ConstructedInterpolants, 0 QuantifiedInterpolants, 9310 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, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...