/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/stateful01-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-0e22065b97d0a1f8b3904e080cebe0f05e88d2b7-0e22065 [2021-06-11 04:47:09,879 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-11 04:47:09,881 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-11 04:47:09,924 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-11 04:47:09,925 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-11 04:47:09,928 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-11 04:47:09,930 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-11 04:47:09,936 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-11 04:47:09,938 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-11 04:47:09,943 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-11 04:47:09,944 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-11 04:47:09,945 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-11 04:47:09,945 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-11 04:47:09,947 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-11 04:47:09,948 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-11 04:47:09,950 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-11 04:47:09,953 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-11 04:47:09,953 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-11 04:47:09,956 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-11 04:47:09,960 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-11 04:47:09,961 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-11 04:47:09,962 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-11 04:47:09,962 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-11 04:47:09,963 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-11 04:47:09,965 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-11 04:47:09,965 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-11 04:47:09,965 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-11 04:47:09,966 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-11 04:47:09,966 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-11 04:47:09,967 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-11 04:47:09,967 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-11 04:47:09,967 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-11 04:47:09,968 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-11 04:47:09,969 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-11 04:47:09,969 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-11 04:47:09,969 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-11 04:47:09,970 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-11 04:47:09,970 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-11 04:47:09,970 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-11 04:47:09,971 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-11 04:47:09,971 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-11 04:47:09,972 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-PN-RepeatedSemanticLbe.epf [2021-06-11 04:47:09,989 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-11 04:47:09,990 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-11 04:47:09,991 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-11 04:47:09,991 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-11 04:47:09,991 INFO L138 SettingsManager]: * Use SBE=true [2021-06-11 04:47:09,991 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-11 04:47:09,991 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-11 04:47:09,992 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-11 04:47:09,992 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-11 04:47:09,992 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-11 04:47:09,992 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-11 04:47:09,992 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-11 04:47:09,992 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-11 04:47:09,993 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-11 04:47:09,993 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-11 04:47:09,993 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-11 04:47:09,993 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-11 04:47:09,993 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-11 04:47:09,993 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-11 04:47:09,994 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-11 04:47:09,994 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-11 04:47:09,994 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-11 04:47:09,994 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-11 04:47:09,994 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-11 04:47:09,995 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-11 04:47:09,995 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-11 04:47:09,995 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-11 04:47:09,995 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-06-11 04:47:09,995 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-11 04:47:09,995 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-11 04:47:10,256 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-11 04:47:10,275 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-11 04:47:10,277 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-11 04:47:10,278 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-11 04:47:10,278 INFO L275 PluginConnector]: CDTParser initialized [2021-06-11 04:47:10,278 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stateful01-1.i [2021-06-11 04:47:10,333 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9b87d5a4/93d96739741c46e381db89e7c90fd283/FLAG0f03b98be [2021-06-11 04:47:10,792 INFO L306 CDTParser]: Found 1 translation units. [2021-06-11 04:47:10,792 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stateful01-1.i [2021-06-11 04:47:10,804 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9b87d5a4/93d96739741c46e381db89e7c90fd283/FLAG0f03b98be [2021-06-11 04:47:10,816 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9b87d5a4/93d96739741c46e381db89e7c90fd283 [2021-06-11 04:47:10,819 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-11 04:47:10,820 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-11 04:47:10,821 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-11 04:47:10,821 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-11 04:47:10,824 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-11 04:47:10,824 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.06 04:47:10" (1/1) ... [2021-06-11 04:47:10,825 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@640acfa1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:47:10, skipping insertion in model container [2021-06-11 04:47:10,825 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.06 04:47:10" (1/1) ... [2021-06-11 04:47:10,831 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-11 04:47:10,857 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-11 04:47:11,094 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stateful01-1.i[30826,30839] [2021-06-11 04:47:11,097 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-11 04:47:11,107 INFO L203 MainTranslator]: Completed pre-run [2021-06-11 04:47:11,163 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stateful01-1.i[30826,30839] [2021-06-11 04:47:11,164 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-11 04:47:11,233 INFO L208 MainTranslator]: Completed translation [2021-06-11 04:47:11,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:47:11 WrapperNode [2021-06-11 04:47:11,233 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-11 04:47:11,236 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-11 04:47:11,236 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-11 04:47:11,236 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-11 04:47:11,241 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:47:11" (1/1) ... [2021-06-11 04:47:11,270 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:47:11" (1/1) ... [2021-06-11 04:47:11,292 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-11 04:47:11,293 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-11 04:47:11,293 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-11 04:47:11,294 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-11 04:47:11,299 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:47:11" (1/1) ... [2021-06-11 04:47:11,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:47:11" (1/1) ... [2021-06-11 04:47:11,305 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:47:11" (1/1) ... [2021-06-11 04:47:11,305 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:47:11" (1/1) ... [2021-06-11 04:47:11,321 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:47:11" (1/1) ... [2021-06-11 04:47:11,322 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:47:11" (1/1) ... [2021-06-11 04:47:11,324 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:47:11" (1/1) ... [2021-06-11 04:47:11,325 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-11 04:47:11,326 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-11 04:47:11,326 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-11 04:47:11,326 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-11 04:47:11,327 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:47:11" (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 [2021-06-11 04:47:11,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-11 04:47:11,403 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-11 04:47:11,403 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-11 04:47:11,403 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-11 04:47:11,404 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-11 04:47:11,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-11 04:47:11,404 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-06-11 04:47:11,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-11 04:47:11,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-11 04:47:11,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-11 04:47:11,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-11 04:47:11,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-11 04:47:11,407 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-11 04:47:11,814 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-11 04:47:11,815 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-06-11 04:47:11,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 04:47:11 BoogieIcfgContainer [2021-06-11 04:47:11,816 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-11 04:47:11,817 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-11 04:47:11,817 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-11 04:47:11,820 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-11 04:47:11,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.06 04:47:10" (1/3) ... [2021-06-11 04:47:11,820 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39857865 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 04:47:11, skipping insertion in model container [2021-06-11 04:47:11,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:47:11" (2/3) ... [2021-06-11 04:47:11,821 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39857865 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 04:47:11, skipping insertion in model container [2021-06-11 04:47:11,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 04:47:11" (3/3) ... [2021-06-11 04:47:11,822 INFO L111 eAbstractionObserver]: Analyzing ICFG stateful01-1.i [2021-06-11 04:47:11,827 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-11 04:47:11,831 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-06-11 04:47:11,831 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-11 04:47:11,853 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 04:47:11,853 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 04:47:11,853 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 04:47:11,854 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 04:47:11,854 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 04:47:11,854 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 04:47:11,854 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 04:47:11,854 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 04:47:11,855 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 04:47:11,855 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 04:47:11,855 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 04:47:11,855 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 04:47:11,855 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 04:47:11,855 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 04:47:11,856 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 04:47:11,856 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 04:47:11,856 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 04:47:11,856 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 04:47:11,857 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 04:47:11,857 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 04:47:11,857 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 04:47:11,857 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 04:47:11,857 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 04:47:11,858 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 04:47:11,858 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 04:47:11,858 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 04:47:11,858 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 04:47:11,858 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 04:47:11,859 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 04:47:11,859 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 04:47:11,859 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 04:47:11,859 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 04:47:11,860 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 04:47:11,860 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 04:47:11,860 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 04:47:11,860 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 04:47:11,860 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 04:47:11,860 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 04:47:11,861 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 04:47:11,861 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 04:47:11,861 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 04:47:11,861 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 04:47:11,861 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 04:47:11,862 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 04:47:11,862 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 04:47:11,862 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 04:47:11,862 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 04:47:11,863 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 04:47:11,863 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 04:47:11,863 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 04:47:11,863 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 04:47:11,863 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 04:47:11,865 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 04:47:11,865 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 04:47:11,866 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 04:47:11,866 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 04:47:11,866 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 04:47:11,866 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 04:47:11,866 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 04:47:11,867 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 04:47:11,870 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 04:47:11,870 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 04:47:11,871 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 04:47:11,871 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 04:47:11,871 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 04:47:11,871 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 04:47:11,876 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-06-11 04:47:11,892 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-06-11 04:47:11,909 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-11 04:47:11,910 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-11 04:47:11,910 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-11 04:47:11,910 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-11 04:47:11,910 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-11 04:47:11,910 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-11 04:47:11,910 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-11 04:47:11,910 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-11 04:47:11,919 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 87 places, 83 transitions, 188 flow [2021-06-11 04:47:11,954 INFO L129 PetriNetUnfolder]: 2/83 cut-off events. [2021-06-11 04:47:11,954 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-06-11 04:47:11,956 INFO L84 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 83 events. 2/83 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 51 event pairs, 0 based on Foata normal form. 0/81 useless extension candidates. Maximal degree in co-relation 28. Up to 3 conditions per place. [2021-06-11 04:47:11,957 INFO L82 GeneralOperation]: Start removeDead. Operand has 87 places, 83 transitions, 188 flow [2021-06-11 04:47:11,960 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 76 places, 71 transitions, 160 flow [2021-06-11 04:47:11,962 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 04:47:11,973 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 71 transitions, 160 flow [2021-06-11 04:47:11,976 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 71 transitions, 160 flow [2021-06-11 04:47:11,977 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 76 places, 71 transitions, 160 flow [2021-06-11 04:47:11,995 INFO L129 PetriNetUnfolder]: 1/73 cut-off events. [2021-06-11 04:47:11,996 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-06-11 04:47:11,996 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84 conditions, 73 events. 1/73 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 44 event pairs, 0 based on Foata normal form. 0/73 useless extension candidates. Maximal degree in co-relation 19. Up to 3 conditions per place. [2021-06-11 04:47:11,998 INFO L151 LiptonReduction]: Number of co-enabled transitions 680 [2021-06-11 04:47:12,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 04:47:12,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 04:47:12,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 04:47:12,178 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 04:47:12,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 04:47:12,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 04:47:12,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 04:47:12,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 04:47:12,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 04:47:12,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 04:47:12,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 04:47:12,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 04:47:12,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 04:47:12,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 04:47:12,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 04:47:12,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 04:47:12,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 04:47:12,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 04:47:12,830 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 04:47:12,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 04:47:12,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 04:47:12,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 04:47:12,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 04:47:12,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 04:47:12,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 04:47:12,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 04:47:12,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 04:47:12,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 04:47:13,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 04:47:13,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 04:47:13,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 04:47:13,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 04:47:13,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 04:47:13,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 04:47:13,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 04:47:13,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 04:47:13,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 04:47:13,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 04:47:13,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 04:47:13,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 04:47:13,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 04:47:13,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 04:47:13,533 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 04:47:13,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 04:47:13,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 04:47:13,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 04:47:13,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 04:47:13,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 04:47:13,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 04:47:13,733 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 04:47:13,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 04:47:13,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 04:47:13,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 04:47:13,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 04:47:13,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 04:47:13,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 04:47:13,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 04:47:13,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 04:47:13,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 04:47:13,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 04:47:13,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 04:47:13,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 04:47:13,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 04:47:13,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 04:47:13,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 04:47:13,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 04:47:13,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 04:47:13,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 04:47:13,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 04:47:14,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 04:47:14,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 04:47:14,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 04:47:14,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 04:47:14,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 04:47:14,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 04:47:14,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 04:47:14,235 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 04:47:14,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 04:47:14,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 04:47:14,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 04:47:14,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 04:47:14,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 04:47:14,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 04:47:14,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 04:47:14,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-06-11 04:47:14,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-06-11 04:47:14,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 04:47:14,505 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 04:47:14,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 04:47:14,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 04:47:14,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 04:47:14,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 04:47:14,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 04:47:14,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 04:47:14,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 04:47:14,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 04:47:14,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 04:47:14,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 04:47:14,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 04:47:14,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 04:47:14,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 04:47:14,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 04:47:14,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 04:47:14,626 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2021-06-11 04:47:14,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 04:47:14,823 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 04:47:14,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 04:47:14,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-06-11 04:47:14,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-11 04:47:15,191 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 123 [2021-06-11 04:47:15,357 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2021-06-11 04:47:15,711 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 123 [2021-06-11 04:47:15,893 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2021-06-11 04:47:15,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 04:47:15,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 04:47:15,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 04:47:15,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 04:47:15,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 04:47:15,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 04:47:15,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 04:47:15,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 04:47:15,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 04:47:15,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 04:47:15,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 04:47:15,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 04:47:15,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 04:47:15,925 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 04:47:15,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 04:47:15,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 04:47:15,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 04:47:15,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-06-11 04:47:15,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-06-11 04:47:15,932 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 04:47:15,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 04:47:15,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-06-11 04:47:15,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-06-11 04:47:16,151 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2021-06-11 04:47:16,370 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2021-06-11 04:47:16,599 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2021-06-11 04:47:16,823 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2021-06-11 04:47:16,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 04:47:16,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 04:47:16,837 INFO L163 LiptonReduction]: Checked pairs total: 2299 [2021-06-11 04:47:16,837 INFO L165 LiptonReduction]: Total number of compositions: 46 [2021-06-11 04:47:16,839 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4878 [2021-06-11 04:47:16,861 INFO L129 PetriNetUnfolder]: 1/27 cut-off events. [2021-06-11 04:47:16,862 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-06-11 04:47:16,862 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 04:47:16,863 INFO L263 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] [2021-06-11 04:47:16,863 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 04:47:16,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 04:47:16,868 INFO L82 PathProgramCache]: Analyzing trace with hash 1706280515, now seen corresponding path program 1 times [2021-06-11 04:47:16,878 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 04:47:16,878 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193224928] [2021-06-11 04:47:16,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 04:47:17,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 04:47:17,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 04:47:17,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 04:47:17,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 04:47:17,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 04:47:17,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 04:47:17,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 04:47:17,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 04:47:17,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-06-11 04:47:17,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 04:47:17,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 04:47:17,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 04:47:17,166 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193224928] [2021-06-11 04:47:17,167 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 04:47:17,167 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 04:47:17,167 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578081300] [2021-06-11 04:47:17,174 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 04:47:17,174 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 04:47:17,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 04:47:17,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-11 04:47:17,196 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 129 [2021-06-11 04:47:17,199 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 27 transitions, 72 flow. Second operand has 5 states, 5 states have (on average 74.4) internal successors, (372), 5 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 04:47:17,199 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 04:47:17,199 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 129 [2021-06-11 04:47:17,200 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 04:47:17,255 INFO L129 PetriNetUnfolder]: 0/27 cut-off events. [2021-06-11 04:47:17,256 INFO L130 PetriNetUnfolder]: For 6/8 co-relation queries the response was YES. [2021-06-11 04:47:17,256 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 27 events. 0/27 cut-off events. For 6/8 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 29 event pairs, 0 based on Foata normal form. 2/27 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-06-11 04:47:17,257 INFO L132 encePairwiseOnDemand]: 124/129 looper letters, 4 selfloop transitions, 4 changer transitions 3/26 dead transitions. [2021-06-11 04:47:17,257 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 26 transitions, 83 flow [2021-06-11 04:47:17,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 04:47:17,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 04:47:17,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 374 transitions. [2021-06-11 04:47:17,267 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.57984496124031 [2021-06-11 04:47:17,267 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 374 transitions. [2021-06-11 04:47:17,267 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 374 transitions. [2021-06-11 04:47:17,269 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 04:47:17,270 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 374 transitions. [2021-06-11 04:47:17,274 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 74.8) internal successors, (374), 5 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 04:47:17,283 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 129.0) internal successors, (774), 6 states have internal predecessors, (774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 04:47:17,284 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 129.0) internal successors, (774), 6 states have internal predecessors, (774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 04:47:17,285 INFO L185 Difference]: Start difference. First operand has 32 places, 27 transitions, 72 flow. Second operand 5 states and 374 transitions. [2021-06-11 04:47:17,286 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 26 transitions, 83 flow [2021-06-11 04:47:17,287 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 26 transitions, 73 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-06-11 04:47:17,288 INFO L241 Difference]: Finished difference. Result has 32 places, 23 transitions, 58 flow [2021-06-11 04:47:17,289 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=57, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=58, PETRI_PLACES=32, PETRI_TRANSITIONS=23} [2021-06-11 04:47:17,290 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 0 predicate places. [2021-06-11 04:47:17,290 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 04:47:17,290 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 32 places, 23 transitions, 58 flow [2021-06-11 04:47:17,290 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 32 places, 23 transitions, 58 flow [2021-06-11 04:47:17,290 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 30 places, 23 transitions, 58 flow [2021-06-11 04:47:17,298 INFO L129 PetriNetUnfolder]: 0/23 cut-off events. [2021-06-11 04:47:17,298 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 04:47:17,298 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31 conditions, 23 events. 0/23 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 18 event pairs, 0 based on Foata normal form. 0/23 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-06-11 04:47:17,298 INFO L151 LiptonReduction]: Number of co-enabled transitions 180 [2021-06-11 04:47:17,300 INFO L163 LiptonReduction]: Checked pairs total: 236 [2021-06-11 04:47:17,300 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 04:47:17,300 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10 [2021-06-11 04:47:17,300 INFO L480 AbstractCegarLoop]: Abstraction has has 30 places, 23 transitions, 58 flow [2021-06-11 04:47:17,301 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 74.4) internal successors, (372), 5 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 04:47:17,301 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 04:47:17,301 INFO L263 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] [2021-06-11 04:47:17,301 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-11 04:47:17,301 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 04:47:17,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 04:47:17,302 INFO L82 PathProgramCache]: Analyzing trace with hash 394812083, now seen corresponding path program 1 times [2021-06-11 04:47:17,302 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 04:47:17,302 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841577096] [2021-06-11 04:47:17,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 04:47:17,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-11 04:47:17,333 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-11 04:47:17,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-11 04:47:17,369 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-11 04:47:17,395 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-11 04:47:17,395 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-06-11 04:47:17,396 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-11 04:47:17,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.06 04:47:17 BasicIcfg [2021-06-11 04:47:17,447 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-11 04:47:17,448 INFO L168 Benchmark]: Toolchain (without parser) took 6628.09 ms. Allocated memory was 388.0 MB in the beginning and 465.6 MB in the end (delta: 77.6 MB). Free memory was 350.6 MB in the beginning and 255.7 MB in the end (delta: 94.9 MB). Peak memory consumption was 175.5 MB. Max. memory is 16.0 GB. [2021-06-11 04:47:17,449 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 388.0 MB. Free memory was 368.7 MB in the beginning and 368.6 MB in the end (delta: 69.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-11 04:47:17,449 INFO L168 Benchmark]: CACSL2BoogieTranslator took 413.84 ms. Allocated memory is still 388.0 MB. Free memory was 350.4 MB in the beginning and 351.6 MB in the end (delta: -1.3 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.0 GB. [2021-06-11 04:47:17,449 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.10 ms. Allocated memory is still 388.0 MB. Free memory was 351.6 MB in the beginning and 349.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-11 04:47:17,450 INFO L168 Benchmark]: Boogie Preprocessor took 32.19 ms. Allocated memory is still 388.0 MB. Free memory was 349.5 MB in the beginning and 348.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-11 04:47:17,450 INFO L168 Benchmark]: RCFGBuilder took 489.75 ms. Allocated memory is still 388.0 MB. Free memory was 348.5 MB in the beginning and 323.3 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-06-11 04:47:17,451 INFO L168 Benchmark]: TraceAbstraction took 5629.97 ms. Allocated memory was 388.0 MB in the beginning and 465.6 MB in the end (delta: 77.6 MB). Free memory was 322.3 MB in the beginning and 255.7 MB in the end (delta: 66.5 MB). Peak memory consumption was 147.3 MB. Max. memory is 16.0 GB. [2021-06-11 04:47:17,453 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 388.0 MB. Free memory was 368.7 MB in the beginning and 368.6 MB in the end (delta: 69.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 413.84 ms. Allocated memory is still 388.0 MB. Free memory was 350.4 MB in the beginning and 351.6 MB in the end (delta: -1.3 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 57.10 ms. Allocated memory is still 388.0 MB. Free memory was 351.6 MB in the beginning and 349.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 32.19 ms. Allocated memory is still 388.0 MB. Free memory was 349.5 MB in the beginning and 348.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 489.75 ms. Allocated memory is still 388.0 MB. Free memory was 348.5 MB in the beginning and 323.3 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 5629.97 ms. Allocated memory was 388.0 MB in the beginning and 465.6 MB in the end (delta: 77.6 MB). Free memory was 322.3 MB in the beginning and 255.7 MB in the end (delta: 66.5 MB). Peak memory consumption was 147.3 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4861.3ms, 76 PlacesBefore, 32 PlacesAfterwards, 71 TransitionsBefore, 27 TransitionsAfterwards, 680 CoEnabledTransitionPairs, 7 FixpointIterations, 31 TrivialSequentialCompositions, 15 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 46 TotalNumberOfCompositions, 2299 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1138, positive: 981, positive conditional: 0, positive unconditional: 981, negative: 157, negative conditional: 0, negative unconditional: 157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 442, positive: 409, positive conditional: 0, positive unconditional: 409, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 442, positive: 409, positive conditional: 0, positive unconditional: 409, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 442, positive: 396, positive conditional: 0, positive unconditional: 396, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 46, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 144, positive: 33, positive conditional: 0, positive unconditional: 33, negative: 111, negative conditional: 0, negative unconditional: 111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1138, positive: 572, positive conditional: 0, positive unconditional: 572, negative: 124, negative conditional: 0, negative unconditional: 124, unknown: 442, unknown conditional: 0, unknown unconditional: 442] , Statistics on independence cache: Total cache size (in pairs): 628, Positive cache size: 595, Positive conditional cache size: 0, Positive unconditional cache size: 595, Negative cache size: 33, Negative conditional cache size: 0, Negative unconditional cache size: 33 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.5ms, 32 PlacesBefore, 30 PlacesAfterwards, 23 TransitionsBefore, 23 TransitionsAfterwards, 180 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 236 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 100, positive: 76, positive conditional: 0, positive unconditional: 76, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 100, positive: 72, positive conditional: 0, positive unconditional: 72, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 632, Positive cache size: 599, Positive conditional cache size: 0, Positive unconditional cache size: 599, Negative cache size: 33, Negative conditional cache size: 0, Negative unconditional cache size: 33 - CounterExampleResult [Line: 727]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L692] 0 pthread_mutex_t ma, mb; [L693] 0 int data1, data2; [L716] 0 pthread_t t1, t2; [L719] 0 data1 = 10 [L720] 0 data2 = 10 [L721] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [arg={0:0}, data1=10, data2=10, ma={7:0}, mb={5:0}] [L722] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [arg={0:0}, arg={0:0}, data1=10, data2=10, ma={7:0}, mb={5:0}] [L723] 0 \read(t1) VAL [arg={0:0}, arg={0:0}, data1=10, data2=10, ma={7:0}, mb={5:0}] [L697] 1 data1++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, data1=11, data2=10, ma={7:0}, mb={5:0}] [L700] 1 data2++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, data1=11, data2=11, ma={7:0}, mb={5:0}] [L702] 1 return 0; [L723] FCALL, JOIN 1 pthread_join(t1, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=11, data2=11, ma={7:0}, mb={5:0}] [L724] 0 \read(t2) VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=11, data2=11, ma={7:0}, mb={5:0}] [L707] 2 data1+=5 VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=11, ma={7:0}, mb={5:0}] [L710] 2 data2-=6 VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={7:0}, mb={5:0}] [L712] 2 return 0; [L724] FCALL, JOIN 2 pthread_join(t2, 0) VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={7:0}, mb={5:0}] [L725] COND TRUE 0 data1==16 && data2==5 [L727] 0 reach_error() VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={7:0}, mb={5:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 81 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 8.0ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 5490.3ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 99.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 4943.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 4 SDtfs, 11 SDslu, 2 SDs, 0 SdLazy, 11 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 29.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=72occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 10.5ms SsaConstructionTime, 94.6ms SatisfiabilityAnalysisTime, 144.0ms InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 113 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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...