/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-NoLbe-Before.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-ticket-6.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bf34d27 [2022-01-19 07:47:06,934 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-19 07:47:06,935 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-19 07:47:06,978 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-19 07:47:06,979 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-19 07:47:06,979 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-19 07:47:06,980 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-19 07:47:06,987 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-19 07:47:06,990 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-19 07:47:06,993 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-19 07:47:06,994 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-19 07:47:06,995 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-19 07:47:06,996 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-19 07:47:06,997 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-19 07:47:06,999 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-19 07:47:07,001 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-19 07:47:07,001 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-19 07:47:07,002 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-19 07:47:07,004 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-19 07:47:07,008 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-19 07:47:07,009 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-19 07:47:07,010 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-19 07:47:07,011 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-19 07:47:07,011 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-19 07:47:07,016 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-19 07:47:07,016 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-19 07:47:07,017 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-19 07:47:07,017 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-19 07:47:07,017 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-19 07:47:07,018 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-19 07:47:07,018 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-19 07:47:07,018 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-19 07:47:07,019 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-19 07:47:07,019 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-19 07:47:07,022 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-19 07:47:07,023 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-19 07:47:07,023 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-19 07:47:07,023 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-19 07:47:07,023 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-19 07:47:07,024 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-19 07:47:07,024 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-19 07:47:07,025 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-NoLbe-Before.epf [2022-01-19 07:47:07,048 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-19 07:47:07,048 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-19 07:47:07,049 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-19 07:47:07,049 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-19 07:47:07,049 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-19 07:47:07,049 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-19 07:47:07,050 INFO L138 SettingsManager]: * Use SBE=true [2022-01-19 07:47:07,050 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-19 07:47:07,050 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-19 07:47:07,050 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-19 07:47:07,050 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-19 07:47:07,050 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-19 07:47:07,050 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-19 07:47:07,051 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-19 07:47:07,051 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-19 07:47:07,051 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-19 07:47:07,051 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-19 07:47:07,051 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-19 07:47:07,051 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-19 07:47:07,051 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-19 07:47:07,051 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-19 07:47:07,051 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-19 07:47:07,051 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-19 07:47:07,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-19 07:47:07,052 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-19 07:47:07,052 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-19 07:47:07,052 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-19 07:47:07,052 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-19 07:47:07,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-19 07:47:07,052 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-19 07:47:07,052 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-19 07:47:07,052 INFO L138 SettingsManager]: * When to check the insufficient erros location relative to the other error locations=BEFORE [2022-01-19 07:47:07,052 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-19 07:47:07,229 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-19 07:47:07,254 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-19 07:47:07,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-19 07:47:07,256 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-19 07:47:07,260 INFO L275 PluginConnector]: CDTParser initialized [2022-01-19 07:47:07,261 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-ticket-6.wvr.c [2022-01-19 07:47:07,298 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c21e142d/f17003bb37354ad1b255f85753b1d912/FLAGc39ccfd2d [2022-01-19 07:47:07,663 INFO L306 CDTParser]: Found 1 translation units. [2022-01-19 07:47:07,664 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-6.wvr.c [2022-01-19 07:47:07,674 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c21e142d/f17003bb37354ad1b255f85753b1d912/FLAGc39ccfd2d [2022-01-19 07:47:07,682 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c21e142d/f17003bb37354ad1b255f85753b1d912 [2022-01-19 07:47:07,684 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-19 07:47:07,685 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-19 07:47:07,686 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-19 07:47:07,686 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-19 07:47:07,693 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-19 07:47:07,693 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.01 07:47:07" (1/1) ... [2022-01-19 07:47:07,694 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41f828f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 07:47:07, skipping insertion in model container [2022-01-19 07:47:07,694 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.01 07:47:07" (1/1) ... [2022-01-19 07:47:07,698 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-19 07:47:07,716 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-19 07:47:07,843 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-6.wvr.c[4400,4413] [2022-01-19 07:47:07,846 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-19 07:47:07,850 INFO L203 MainTranslator]: Completed pre-run [2022-01-19 07:47:07,867 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-6.wvr.c[4400,4413] [2022-01-19 07:47:07,868 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-19 07:47:07,876 INFO L208 MainTranslator]: Completed translation [2022-01-19 07:47:07,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 07:47:07 WrapperNode [2022-01-19 07:47:07,877 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-19 07:47:07,878 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-19 07:47:07,878 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-19 07:47:07,878 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-19 07:47:07,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 07:47:07" (1/1) ... [2022-01-19 07:47:07,888 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 07:47:07" (1/1) ... [2022-01-19 07:47:07,911 INFO L137 Inliner]: procedures = 25, calls = 100, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 278 [2022-01-19 07:47:07,911 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-19 07:47:07,911 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-19 07:47:07,911 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-19 07:47:07,911 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-19 07:47:07,917 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 07:47:07" (1/1) ... [2022-01-19 07:47:07,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 07:47:07" (1/1) ... [2022-01-19 07:47:07,920 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 07:47:07" (1/1) ... [2022-01-19 07:47:07,921 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 07:47:07" (1/1) ... [2022-01-19 07:47:07,925 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 07:47:07" (1/1) ... [2022-01-19 07:47:07,926 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 07:47:07" (1/1) ... [2022-01-19 07:47:07,928 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 07:47:07" (1/1) ... [2022-01-19 07:47:07,929 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-19 07:47:07,930 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-19 07:47:07,930 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-19 07:47:07,930 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-19 07:47:07,941 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 07:47:07" (1/1) ... [2022-01-19 07:47:07,947 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-19 07:47:07,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 07:47:07,966 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-19 07:47:07,975 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-19 07:47:07,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-19 07:47:07,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-19 07:47:07,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-19 07:47:07,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-19 07:47:07,992 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-01-19 07:47:07,992 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-01-19 07:47:07,992 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-01-19 07:47:07,992 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-01-19 07:47:07,992 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-01-19 07:47:07,992 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-01-19 07:47:07,992 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-01-19 07:47:07,992 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-01-19 07:47:07,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-19 07:47:07,992 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2022-01-19 07:47:07,992 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2022-01-19 07:47:07,992 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2022-01-19 07:47:07,993 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2022-01-19 07:47:07,993 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-01-19 07:47:07,993 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-01-19 07:47:07,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-19 07:47:07,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-19 07:47:07,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-19 07:47:07,994 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-19 07:47:08,055 INFO L234 CfgBuilder]: Building ICFG [2022-01-19 07:47:08,056 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-19 07:47:08,266 INFO L275 CfgBuilder]: Performing block encoding [2022-01-19 07:47:08,364 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-19 07:47:08,365 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-19 07:47:08,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.01 07:47:08 BoogieIcfgContainer [2022-01-19 07:47:08,366 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-19 07:47:08,367 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-19 07:47:08,367 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-19 07:47:08,369 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-19 07:47:08,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.01 07:47:07" (1/3) ... [2022-01-19 07:47:08,370 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f128755 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.01 07:47:08, skipping insertion in model container [2022-01-19 07:47:08,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 07:47:07" (2/3) ... [2022-01-19 07:47:08,370 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f128755 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.01 07:47:08, skipping insertion in model container [2022-01-19 07:47:08,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.01 07:47:08" (3/3) ... [2022-01-19 07:47:08,371 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-ticket-6.wvr.c [2022-01-19 07:47:08,374 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-19 07:47:08,374 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-19 07:47:08,374 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-19 07:47:08,421 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,421 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,421 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,421 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,422 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,422 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,422 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,422 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,422 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,422 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,422 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,422 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,423 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,423 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,423 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,423 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,423 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,423 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,424 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,424 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,424 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,424 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,424 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,424 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,424 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,424 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,425 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,425 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,425 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,425 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,425 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,425 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,425 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,426 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,426 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,426 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,426 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,426 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,426 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,426 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,426 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,427 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,427 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,427 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,427 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,427 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,427 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,427 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,428 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,428 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,428 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,428 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,428 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,428 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,429 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,429 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,429 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,429 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,429 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,429 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,429 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,430 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,430 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,430 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,430 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,430 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,430 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,431 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,431 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,431 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,431 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,431 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,433 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,433 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,434 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,434 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,434 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,434 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,434 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,435 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,435 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,435 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,435 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,435 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,435 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,435 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,436 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,436 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,436 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,436 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,436 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,437 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,437 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,437 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,437 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,437 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,437 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,437 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,438 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,438 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,438 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,438 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,438 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,438 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,438 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,439 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,439 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,439 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:47:08,445 INFO L148 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2022-01-19 07:47:08,484 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-19 07:47:08,489 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-19 07:47:08,489 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-01-19 07:47:08,499 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 205 places, 188 transitions, 424 flow [2022-01-19 07:47:08,553 INFO L129 PetriNetUnfolder]: 2/182 cut-off events. [2022-01-19 07:47:08,554 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-01-19 07:47:08,556 INFO L84 FinitePrefix]: Finished finitePrefix Result has 207 conditions, 182 events. 2/182 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 80 event pairs, 0 based on Foata normal form. 0/179 useless extension candidates. Maximal degree in co-relation 139. Up to 2 conditions per place. [2022-01-19 07:47:08,556 INFO L82 GeneralOperation]: Start removeDead. Operand has 205 places, 188 transitions, 424 flow [2022-01-19 07:47:08,560 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 182 places, 165 transitions, 366 flow [2022-01-19 07:47:08,586 INFO L129 PetriNetUnfolder]: 2/164 cut-off events. [2022-01-19 07:47:08,587 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-01-19 07:47:08,587 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 07:47:08,588 INFO L254 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 07:47:08,588 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-01-19 07:47:08,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 07:47:08,591 INFO L85 PathProgramCache]: Analyzing trace with hash 1163564544, now seen corresponding path program 1 times [2022-01-19 07:47:08,597 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 07:47:08,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086681689] [2022-01-19 07:47:08,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 07:47:08,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 07:47:08,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 07:47:09,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 07:47:09,462 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 07:47:09,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086681689] [2022-01-19 07:47:09,462 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086681689] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 07:47:09,463 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 07:47:09,471 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-19 07:47:09,474 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107298744] [2022-01-19 07:47:09,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 07:47:09,481 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-19 07:47:09,481 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 07:47:09,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-19 07:47:09,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-01-19 07:47:09,511 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 188 [2022-01-19 07:47:09,517 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 165 transitions, 366 flow. Second operand has 10 states, 10 states have (on average 138.9) internal successors, (1389), 10 states have internal predecessors, (1389), 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) [2022-01-19 07:47:09,517 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 07:47:09,517 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 188 [2022-01-19 07:47:09,518 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 07:47:26,464 INFO L129 PetriNetUnfolder]: 156365/219579 cut-off events. [2022-01-19 07:47:26,464 INFO L130 PetriNetUnfolder]: For 29442/29510 co-relation queries the response was YES. [2022-01-19 07:47:27,275 INFO L84 FinitePrefix]: Finished finitePrefix Result has 438504 conditions, 219579 events. 156365/219579 cut-off events. For 29442/29510 co-relation queries the response was YES. Maximal size of possible extension queue 7240. Compared 1673362 event pairs, 112309 based on Foata normal form. 3/216432 useless extension candidates. Maximal degree in co-relation 354579. Up to 102416 conditions per place. [2022-01-19 07:47:28,126 INFO L132 encePairwiseOnDemand]: 169/188 looper letters, 103 selfloop transitions, 17 changer transitions 14/246 dead transitions. [2022-01-19 07:47:28,126 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 246 transitions, 853 flow [2022-01-19 07:47:28,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-19 07:47:28,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-01-19 07:47:28,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1612 transitions. [2022-01-19 07:47:28,143 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7794970986460348 [2022-01-19 07:47:28,144 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1612 transitions. [2022-01-19 07:47:28,144 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1612 transitions. [2022-01-19 07:47:28,148 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 07:47:28,149 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1612 transitions. [2022-01-19 07:47:28,155 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 146.54545454545453) internal successors, (1612), 11 states have internal predecessors, (1612), 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) [2022-01-19 07:47:28,163 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 188.0) internal successors, (2256), 12 states have internal predecessors, (2256), 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) [2022-01-19 07:47:28,165 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 188.0) internal successors, (2256), 12 states have internal predecessors, (2256), 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) [2022-01-19 07:47:28,166 INFO L186 Difference]: Start difference. First operand has 182 places, 165 transitions, 366 flow. Second operand 11 states and 1612 transitions. [2022-01-19 07:47:28,166 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 246 transitions, 853 flow [2022-01-19 07:47:28,459 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 246 transitions, 791 flow, removed 0 selfloop flow, removed 12 redundant places. [2022-01-19 07:47:28,464 INFO L242 Difference]: Finished difference. Result has 185 places, 172 transitions, 439 flow [2022-01-19 07:47:28,466 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=338, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=439, PETRI_PLACES=185, PETRI_TRANSITIONS=172} [2022-01-19 07:47:28,472 INFO L334 CegarLoopForPetriNet]: 182 programPoint places, 3 predicate places. [2022-01-19 07:47:28,472 INFO L470 AbstractCegarLoop]: Abstraction has has 185 places, 172 transitions, 439 flow [2022-01-19 07:47:28,473 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 138.9) internal successors, (1389), 10 states have internal predecessors, (1389), 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) [2022-01-19 07:47:28,473 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 07:47:28,473 INFO L254 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 07:47:28,474 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-19 07:47:28,474 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-01-19 07:47:28,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 07:47:28,475 INFO L85 PathProgramCache]: Analyzing trace with hash 191732472, now seen corresponding path program 2 times [2022-01-19 07:47:28,475 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 07:47:28,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609470994] [2022-01-19 07:47:28,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 07:47:28,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 07:47:28,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 07:47:28,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 07:47:28,889 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 07:47:28,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609470994] [2022-01-19 07:47:28,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609470994] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 07:47:28,889 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 07:47:28,889 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-01-19 07:47:28,889 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848244118] [2022-01-19 07:47:28,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 07:47:28,890 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-01-19 07:47:28,890 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 07:47:28,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-01-19 07:47:28,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-01-19 07:47:28,892 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 188 [2022-01-19 07:47:28,893 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 172 transitions, 439 flow. Second operand has 12 states, 12 states have (on average 132.58333333333334) internal successors, (1591), 12 states have internal predecessors, (1591), 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) [2022-01-19 07:47:28,893 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 07:47:28,893 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 188 [2022-01-19 07:47:28,894 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 07:47:44,695 INFO L129 PetriNetUnfolder]: 154565/222650 cut-off events. [2022-01-19 07:47:44,695 INFO L130 PetriNetUnfolder]: For 92325/92376 co-relation queries the response was YES. [2022-01-19 07:47:45,467 INFO L84 FinitePrefix]: Finished finitePrefix Result has 516389 conditions, 222650 events. 154565/222650 cut-off events. For 92325/92376 co-relation queries the response was YES. Maximal size of possible extension queue 7673. Compared 1786669 event pairs, 93610 based on Foata normal form. 1/218524 useless extension candidates. Maximal degree in co-relation 516376. Up to 134788 conditions per place. [2022-01-19 07:47:46,085 INFO L132 encePairwiseOnDemand]: 167/188 looper letters, 91 selfloop transitions, 27 changer transitions 57/281 dead transitions. [2022-01-19 07:47:46,086 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 281 transitions, 1122 flow [2022-01-19 07:47:46,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-19 07:47:46,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2022-01-19 07:47:46,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1702 transitions. [2022-01-19 07:47:46,089 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7544326241134752 [2022-01-19 07:47:46,089 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1702 transitions. [2022-01-19 07:47:46,089 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1702 transitions. [2022-01-19 07:47:46,089 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 07:47:46,089 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1702 transitions. [2022-01-19 07:47:46,092 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 141.83333333333334) internal successors, (1702), 12 states have internal predecessors, (1702), 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) [2022-01-19 07:47:46,095 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 188.0) internal successors, (2444), 13 states have internal predecessors, (2444), 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) [2022-01-19 07:47:46,095 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 188.0) internal successors, (2444), 13 states have internal predecessors, (2444), 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) [2022-01-19 07:47:46,096 INFO L186 Difference]: Start difference. First operand has 185 places, 172 transitions, 439 flow. Second operand 12 states and 1702 transitions. [2022-01-19 07:47:46,096 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 281 transitions, 1122 flow [2022-01-19 07:47:46,157 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 281 transitions, 1088 flow, removed 5 selfloop flow, removed 6 redundant places. [2022-01-19 07:47:46,163 INFO L242 Difference]: Finished difference. Result has 191 places, 189 transitions, 609 flow [2022-01-19 07:47:46,163 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=414, PETRI_DIFFERENCE_MINUEND_PLACES=173, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=172, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=150, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=609, PETRI_PLACES=191, PETRI_TRANSITIONS=189} [2022-01-19 07:47:46,164 INFO L334 CegarLoopForPetriNet]: 182 programPoint places, 9 predicate places. [2022-01-19 07:47:46,164 INFO L470 AbstractCegarLoop]: Abstraction has has 191 places, 189 transitions, 609 flow [2022-01-19 07:47:46,164 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 132.58333333333334) internal successors, (1591), 12 states have internal predecessors, (1591), 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) [2022-01-19 07:47:46,164 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 07:47:46,164 INFO L254 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 07:47:46,165 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-19 07:47:46,165 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-01-19 07:47:46,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 07:47:46,166 INFO L85 PathProgramCache]: Analyzing trace with hash 1824326984, now seen corresponding path program 3 times [2022-01-19 07:47:46,166 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 07:47:46,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537449018] [2022-01-19 07:47:46,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 07:47:46,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 07:47:46,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 07:47:46,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 07:47:46,303 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 07:47:46,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537449018] [2022-01-19 07:47:46,304 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537449018] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 07:47:46,304 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 07:47:46,304 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-19 07:47:46,304 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346598497] [2022-01-19 07:47:46,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 07:47:46,305 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-19 07:47:46,305 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 07:47:46,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-19 07:47:46,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-01-19 07:47:46,307 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 188 [2022-01-19 07:47:46,307 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 189 transitions, 609 flow. Second operand has 7 states, 7 states have (on average 145.28571428571428) internal successors, (1017), 7 states have internal predecessors, (1017), 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) [2022-01-19 07:47:46,307 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 07:47:46,307 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 188 [2022-01-19 07:47:46,308 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 07:48:02,591 INFO L129 PetriNetUnfolder]: 113917/203846 cut-off events. [2022-01-19 07:48:02,592 INFO L130 PetriNetUnfolder]: For 122545/148713 co-relation queries the response was YES. [2022-01-19 07:48:03,759 INFO L84 FinitePrefix]: Finished finitePrefix Result has 470687 conditions, 203846 events. 113917/203846 cut-off events. For 122545/148713 co-relation queries the response was YES. Maximal size of possible extension queue 10632. Compared 2351869 event pairs, 26695 based on Foata normal form. 2142/197254 useless extension candidates. Maximal degree in co-relation 470670. Up to 45162 conditions per place. [2022-01-19 07:48:04,916 INFO L132 encePairwiseOnDemand]: 172/188 looper letters, 93 selfloop transitions, 33 changer transitions 0/264 dead transitions. [2022-01-19 07:48:04,916 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 264 transitions, 1078 flow [2022-01-19 07:48:04,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-19 07:48:04,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-01-19 07:48:04,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1092 transitions. [2022-01-19 07:48:04,919 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8297872340425532 [2022-01-19 07:48:04,919 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1092 transitions. [2022-01-19 07:48:04,919 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1092 transitions. [2022-01-19 07:48:04,919 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 07:48:04,919 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1092 transitions. [2022-01-19 07:48:04,921 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 156.0) internal successors, (1092), 7 states have internal predecessors, (1092), 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) [2022-01-19 07:48:04,922 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 188.0) internal successors, (1504), 8 states have internal predecessors, (1504), 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) [2022-01-19 07:48:04,922 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 188.0) internal successors, (1504), 8 states have internal predecessors, (1504), 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) [2022-01-19 07:48:04,922 INFO L186 Difference]: Start difference. First operand has 191 places, 189 transitions, 609 flow. Second operand 7 states and 1092 transitions. [2022-01-19 07:48:04,922 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 264 transitions, 1078 flow [2022-01-19 07:48:05,967 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 264 transitions, 1028 flow, removed 13 selfloop flow, removed 8 redundant places. [2022-01-19 07:48:05,970 INFO L242 Difference]: Finished difference. Result has 187 places, 213 transitions, 749 flow [2022-01-19 07:48:05,970 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=559, PETRI_DIFFERENCE_MINUEND_PLACES=179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=189, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=168, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=749, PETRI_PLACES=187, PETRI_TRANSITIONS=213} [2022-01-19 07:48:05,971 INFO L334 CegarLoopForPetriNet]: 182 programPoint places, 5 predicate places. [2022-01-19 07:48:05,971 INFO L470 AbstractCegarLoop]: Abstraction has has 187 places, 213 transitions, 749 flow [2022-01-19 07:48:05,971 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 145.28571428571428) internal successors, (1017), 7 states have internal predecessors, (1017), 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) [2022-01-19 07:48:05,971 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 07:48:05,972 INFO L254 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 07:48:05,972 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-19 07:48:05,972 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-01-19 07:48:05,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 07:48:05,972 INFO L85 PathProgramCache]: Analyzing trace with hash 1824746584, now seen corresponding path program 4 times [2022-01-19 07:48:05,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 07:48:05,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695184737] [2022-01-19 07:48:05,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 07:48:05,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 07:48:06,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 07:48:06,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 07:48:06,039 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 07:48:06,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695184737] [2022-01-19 07:48:06,040 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695184737] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 07:48:06,040 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 07:48:06,040 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-19 07:48:06,040 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970990907] [2022-01-19 07:48:06,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 07:48:06,040 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-19 07:48:06,040 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 07:48:06,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-19 07:48:06,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-01-19 07:48:06,042 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 188 [2022-01-19 07:48:06,042 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 213 transitions, 749 flow. Second operand has 7 states, 7 states have (on average 145.28571428571428) internal successors, (1017), 7 states have internal predecessors, (1017), 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) [2022-01-19 07:48:06,042 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 07:48:06,043 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 188 [2022-01-19 07:48:06,043 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 07:48:23,585 INFO L129 PetriNetUnfolder]: 118841/211783 cut-off events. [2022-01-19 07:48:23,585 INFO L130 PetriNetUnfolder]: For 216444/250276 co-relation queries the response was YES. [2022-01-19 07:48:24,892 INFO L84 FinitePrefix]: Finished finitePrefix Result has 603634 conditions, 211783 events. 118841/211783 cut-off events. For 216444/250276 co-relation queries the response was YES. Maximal size of possible extension queue 11103. Compared 2436425 event pairs, 27630 based on Foata normal form. 8380/210091 useless extension candidates. Maximal degree in co-relation 173554. Up to 49407 conditions per place. [2022-01-19 07:48:25,930 INFO L132 encePairwiseOnDemand]: 172/188 looper letters, 93 selfloop transitions, 42 changer transitions 0/273 dead transitions. [2022-01-19 07:48:25,930 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 273 transitions, 1250 flow [2022-01-19 07:48:25,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-19 07:48:25,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-01-19 07:48:25,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1092 transitions. [2022-01-19 07:48:25,932 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8297872340425532 [2022-01-19 07:48:25,933 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1092 transitions. [2022-01-19 07:48:25,933 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1092 transitions. [2022-01-19 07:48:25,933 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 07:48:25,933 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1092 transitions. [2022-01-19 07:48:25,935 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 156.0) internal successors, (1092), 7 states have internal predecessors, (1092), 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) [2022-01-19 07:48:25,937 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 188.0) internal successors, (1504), 8 states have internal predecessors, (1504), 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) [2022-01-19 07:48:25,937 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 188.0) internal successors, (1504), 8 states have internal predecessors, (1504), 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) [2022-01-19 07:48:25,937 INFO L186 Difference]: Start difference. First operand has 187 places, 213 transitions, 749 flow. Second operand 7 states and 1092 transitions. [2022-01-19 07:48:25,938 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 273 transitions, 1250 flow [2022-01-19 07:48:25,970 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 273 transitions, 1246 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-01-19 07:48:25,973 INFO L242 Difference]: Finished difference. Result has 193 places, 223 transitions, 922 flow [2022-01-19 07:48:25,973 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=745, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=213, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=922, PETRI_PLACES=193, PETRI_TRANSITIONS=223} [2022-01-19 07:48:25,974 INFO L334 CegarLoopForPetriNet]: 182 programPoint places, 11 predicate places. [2022-01-19 07:48:25,974 INFO L470 AbstractCegarLoop]: Abstraction has has 193 places, 223 transitions, 922 flow [2022-01-19 07:48:25,975 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 145.28571428571428) internal successors, (1017), 7 states have internal predecessors, (1017), 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) [2022-01-19 07:48:25,975 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 07:48:25,975 INFO L254 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 07:48:25,975 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-19 07:48:25,975 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-01-19 07:48:25,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 07:48:25,975 INFO L85 PathProgramCache]: Analyzing trace with hash -2033990134, now seen corresponding path program 5 times [2022-01-19 07:48:25,975 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 07:48:25,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484389866] [2022-01-19 07:48:25,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 07:48:25,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 07:48:26,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 07:48:26,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 07:48:26,069 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 07:48:26,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484389866] [2022-01-19 07:48:26,069 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484389866] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 07:48:26,070 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 07:48:26,070 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-19 07:48:26,070 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765188084] [2022-01-19 07:48:26,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 07:48:26,070 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-19 07:48:26,070 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 07:48:26,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-19 07:48:26,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-01-19 07:48:26,071 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 188 [2022-01-19 07:48:26,072 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 223 transitions, 922 flow. Second operand has 8 states, 8 states have (on average 144.5) internal successors, (1156), 8 states have internal predecessors, (1156), 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) [2022-01-19 07:48:26,072 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 07:48:26,072 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 188 [2022-01-19 07:48:26,072 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 07:48:50,499 INFO L129 PetriNetUnfolder]: 168276/278681 cut-off events. [2022-01-19 07:48:50,499 INFO L130 PetriNetUnfolder]: For 472490/530823 co-relation queries the response was YES. [2022-01-19 07:48:52,124 INFO L84 FinitePrefix]: Finished finitePrefix Result has 931620 conditions, 278681 events. 168276/278681 cut-off events. For 472490/530823 co-relation queries the response was YES. Maximal size of possible extension queue 15523. Compared 3046845 event pairs, 33618 based on Foata normal form. 7978/270830 useless extension candidates. Maximal degree in co-relation 442458. Up to 70374 conditions per place. [2022-01-19 07:48:53,773 INFO L132 encePairwiseOnDemand]: 172/188 looper letters, 116 selfloop transitions, 106 changer transitions 0/360 dead transitions. [2022-01-19 07:48:53,774 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 200 places, 360 transitions, 2053 flow [2022-01-19 07:48:53,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-19 07:48:53,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-01-19 07:48:53,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1262 transitions. [2022-01-19 07:48:53,776 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.839095744680851 [2022-01-19 07:48:53,776 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1262 transitions. [2022-01-19 07:48:53,776 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1262 transitions. [2022-01-19 07:48:53,776 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 07:48:53,777 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1262 transitions. [2022-01-19 07:48:53,778 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 157.75) internal successors, (1262), 8 states have internal predecessors, (1262), 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) [2022-01-19 07:48:53,780 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 188.0) internal successors, (1692), 9 states have internal predecessors, (1692), 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) [2022-01-19 07:48:53,780 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 188.0) internal successors, (1692), 9 states have internal predecessors, (1692), 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) [2022-01-19 07:48:53,780 INFO L186 Difference]: Start difference. First operand has 193 places, 223 transitions, 922 flow. Second operand 8 states and 1262 transitions. [2022-01-19 07:48:53,780 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 200 places, 360 transitions, 2053 flow [2022-01-19 07:48:53,895 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 196 places, 360 transitions, 1976 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-01-19 07:48:53,898 INFO L242 Difference]: Finished difference. Result has 199 places, 288 transitions, 1683 flow [2022-01-19 07:48:53,899 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=872, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=223, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=168, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1683, PETRI_PLACES=199, PETRI_TRANSITIONS=288} [2022-01-19 07:48:53,899 INFO L334 CegarLoopForPetriNet]: 182 programPoint places, 17 predicate places. [2022-01-19 07:48:53,899 INFO L470 AbstractCegarLoop]: Abstraction has has 199 places, 288 transitions, 1683 flow [2022-01-19 07:48:53,900 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 144.5) internal successors, (1156), 8 states have internal predecessors, (1156), 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) [2022-01-19 07:48:53,900 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 07:48:53,900 INFO L254 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 07:48:53,900 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-19 07:48:53,900 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-01-19 07:48:53,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 07:48:53,900 INFO L85 PathProgramCache]: Analyzing trace with hash -1506512914, now seen corresponding path program 6 times [2022-01-19 07:48:53,900 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 07:48:53,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886983334] [2022-01-19 07:48:53,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 07:48:53,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 07:48:53,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 07:48:53,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 07:48:53,992 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 07:48:53,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886983334] [2022-01-19 07:48:53,992 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886983334] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 07:48:53,992 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 07:48:53,992 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-19 07:48:53,992 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636788211] [2022-01-19 07:48:53,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 07:48:53,993 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-19 07:48:53,993 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 07:48:53,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-19 07:48:53,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-01-19 07:48:53,994 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 188 [2022-01-19 07:48:53,995 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 199 places, 288 transitions, 1683 flow. Second operand has 9 states, 9 states have (on average 143.88888888888889) internal successors, (1295), 9 states have internal predecessors, (1295), 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) [2022-01-19 07:48:53,995 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 07:48:53,995 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 188 [2022-01-19 07:48:53,995 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 07:49:22,342 INFO L129 PetriNetUnfolder]: 177333/287469 cut-off events. [2022-01-19 07:49:22,342 INFO L130 PetriNetUnfolder]: For 960297/1051302 co-relation queries the response was YES. [2022-01-19 07:49:24,372 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1138974 conditions, 287469 events. 177333/287469 cut-off events. For 960297/1051302 co-relation queries the response was YES. Maximal size of possible extension queue 15964. Compared 3053798 event pairs, 29288 based on Foata normal form. 15363/283129 useless extension candidates. Maximal degree in co-relation 267750. Up to 73281 conditions per place. [2022-01-19 07:49:26,475 INFO L132 encePairwiseOnDemand]: 172/188 looper letters, 135 selfloop transitions, 276 changer transitions 0/549 dead transitions. [2022-01-19 07:49:26,475 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 549 transitions, 4397 flow [2022-01-19 07:49:26,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-19 07:49:26,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-01-19 07:49:26,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1581 transitions. [2022-01-19 07:49:26,478 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8409574468085106 [2022-01-19 07:49:26,478 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1581 transitions. [2022-01-19 07:49:26,478 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1581 transitions. [2022-01-19 07:49:26,479 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 07:49:26,479 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1581 transitions. [2022-01-19 07:49:26,481 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 158.1) internal successors, (1581), 10 states have internal predecessors, (1581), 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) [2022-01-19 07:49:26,483 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 188.0) internal successors, (2068), 11 states have internal predecessors, (2068), 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) [2022-01-19 07:49:26,484 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 188.0) internal successors, (2068), 11 states have internal predecessors, (2068), 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) [2022-01-19 07:49:26,484 INFO L186 Difference]: Start difference. First operand has 199 places, 288 transitions, 1683 flow. Second operand 10 states and 1581 transitions. [2022-01-19 07:49:26,484 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 549 transitions, 4397 flow [2022-01-19 07:49:27,195 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 549 transitions, 4327 flow, removed 33 selfloop flow, removed 2 redundant places. [2022-01-19 07:49:27,224 INFO L242 Difference]: Finished difference. Result has 209 places, 467 transitions, 4102 flow [2022-01-19 07:49:27,224 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=1649, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=288, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=117, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=168, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=4102, PETRI_PLACES=209, PETRI_TRANSITIONS=467} [2022-01-19 07:49:27,225 INFO L334 CegarLoopForPetriNet]: 182 programPoint places, 27 predicate places. [2022-01-19 07:49:27,225 INFO L470 AbstractCegarLoop]: Abstraction has has 209 places, 467 transitions, 4102 flow [2022-01-19 07:49:27,225 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 143.88888888888889) internal successors, (1295), 9 states have internal predecessors, (1295), 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) [2022-01-19 07:49:27,225 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 07:49:27,226 INFO L254 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 07:49:27,226 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-19 07:49:27,226 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-01-19 07:49:27,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 07:49:27,226 INFO L85 PathProgramCache]: Analyzing trace with hash 792415110, now seen corresponding path program 7 times [2022-01-19 07:49:27,226 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 07:49:27,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249171441] [2022-01-19 07:49:27,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 07:49:27,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 07:49:27,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 07:49:27,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 07:49:27,365 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 07:49:27,365 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249171441] [2022-01-19 07:49:27,365 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249171441] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 07:49:27,365 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 07:49:27,365 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-19 07:49:27,365 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722688049] [2022-01-19 07:49:27,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 07:49:27,368 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-19 07:49:27,368 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 07:49:27,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-19 07:49:27,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2022-01-19 07:49:27,369 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 188 [2022-01-19 07:49:27,370 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 467 transitions, 4102 flow. Second operand has 10 states, 10 states have (on average 143.4) internal successors, (1434), 10 states have internal predecessors, (1434), 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) [2022-01-19 07:49:27,370 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 07:49:27,370 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 188 [2022-01-19 07:49:27,370 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 07:50:00,917 INFO L129 PetriNetUnfolder]: 180887/290484 cut-off events. [2022-01-19 07:50:00,917 INFO L130 PetriNetUnfolder]: For 1612125/1728617 co-relation queries the response was YES. [2022-01-19 07:50:03,102 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1350513 conditions, 290484 events. 180887/290484 cut-off events. For 1612125/1728617 co-relation queries the response was YES. Maximal size of possible extension queue 15788. Compared 3042616 event pairs, 25691 based on Foata normal form. 16693/287160 useless extension candidates. Maximal degree in co-relation 443978. Up to 73691 conditions per place. [2022-01-19 07:50:04,971 INFO L132 encePairwiseOnDemand]: 172/188 looper letters, 131 selfloop transitions, 508 changer transitions 2/779 dead transitions. [2022-01-19 07:50:04,971 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 218 places, 779 transitions, 8498 flow [2022-01-19 07:50:04,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-19 07:50:04,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-01-19 07:50:04,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1581 transitions. [2022-01-19 07:50:04,976 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8409574468085106 [2022-01-19 07:50:04,976 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1581 transitions. [2022-01-19 07:50:04,976 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1581 transitions. [2022-01-19 07:50:04,976 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 07:50:04,976 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1581 transitions. [2022-01-19 07:50:04,978 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 158.1) internal successors, (1581), 10 states have internal predecessors, (1581), 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) [2022-01-19 07:50:04,980 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 188.0) internal successors, (2068), 11 states have internal predecessors, (2068), 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) [2022-01-19 07:50:04,980 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 188.0) internal successors, (2068), 11 states have internal predecessors, (2068), 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) [2022-01-19 07:50:04,980 INFO L186 Difference]: Start difference. First operand has 209 places, 467 transitions, 4102 flow. Second operand 10 states and 1581 transitions. [2022-01-19 07:50:04,981 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 218 places, 779 transitions, 8498 flow [2022-01-19 07:50:16,379 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 216 places, 779 transitions, 8068 flow, removed 213 selfloop flow, removed 2 redundant places. [2022-01-19 07:50:16,387 INFO L242 Difference]: Finished difference. Result has 218 places, 693 transitions, 7843 flow [2022-01-19 07:50:16,388 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=3900, PETRI_DIFFERENCE_MINUEND_PLACES=207, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=467, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=293, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=168, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=7843, PETRI_PLACES=218, PETRI_TRANSITIONS=693} [2022-01-19 07:50:16,388 INFO L334 CegarLoopForPetriNet]: 182 programPoint places, 36 predicate places. [2022-01-19 07:50:16,388 INFO L470 AbstractCegarLoop]: Abstraction has has 218 places, 693 transitions, 7843 flow [2022-01-19 07:50:16,389 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 143.4) internal successors, (1434), 10 states have internal predecessors, (1434), 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) [2022-01-19 07:50:16,389 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 07:50:16,389 INFO L254 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 07:50:16,389 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-19 07:50:16,389 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-01-19 07:50:16,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 07:50:16,389 INFO L85 PathProgramCache]: Analyzing trace with hash 276378748, now seen corresponding path program 8 times [2022-01-19 07:50:16,389 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 07:50:16,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252439208] [2022-01-19 07:50:16,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 07:50:16,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 07:50:16,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 07:50:16,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 07:50:16,475 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 07:50:16,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252439208] [2022-01-19 07:50:16,475 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252439208] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 07:50:16,475 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 07:50:16,475 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-19 07:50:16,475 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675226091] [2022-01-19 07:50:16,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 07:50:16,476 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-19 07:50:16,476 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 07:50:16,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-19 07:50:16,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-01-19 07:50:16,477 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 188 [2022-01-19 07:50:16,478 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 693 transitions, 7843 flow. Second operand has 9 states, 9 states have (on average 143.88888888888889) internal successors, (1295), 9 states have internal predecessors, (1295), 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) [2022-01-19 07:50:16,478 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 07:50:16,478 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 188 [2022-01-19 07:50:16,478 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand