/usr/bin/java -Xmx8000000000 -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-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-bakery-4.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 05:16:18,119 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 05:16:18,120 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 05:16:18,139 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 05:16:18,140 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 05:16:18,141 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 05:16:18,141 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 05:16:18,142 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 05:16:18,146 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 05:16:18,150 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 05:16:18,151 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 05:16:18,153 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 05:16:18,154 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 05:16:18,156 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 05:16:18,157 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 05:16:18,158 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 05:16:18,158 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 05:16:18,159 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 05:16:18,163 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 05:16:18,166 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 05:16:18,167 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 05:16:18,168 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 05:16:18,169 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 05:16:18,169 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 05:16:18,175 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 05:16:18,175 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 05:16:18,175 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 05:16:18,177 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 05:16:18,177 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 05:16:18,177 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 05:16:18,178 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 05:16:18,179 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 05:16:18,180 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 05:16:18,181 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 05:16:18,181 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 05:16:18,181 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 05:16:18,182 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 05:16:18,182 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 05:16:18,182 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 05:16:18,183 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 05:16:18,183 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 05:16:18,184 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-RepeatedSemanticLbeWithPredicates.epf [2022-12-06 05:16:18,216 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 05:16:18,216 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 05:16:18,217 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 05:16:18,218 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 05:16:18,218 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 05:16:18,218 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 05:16:18,218 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 05:16:18,218 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 05:16:18,219 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 05:16:18,219 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 05:16:18,219 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 05:16:18,219 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 05:16:18,219 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 05:16:18,220 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 05:16:18,220 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 05:16:18,220 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 05:16:18,220 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 05:16:18,220 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 05:16:18,220 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 05:16:18,220 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 05:16:18,220 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 05:16:18,220 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 05:16:18,220 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 05:16:18,221 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 05:16:18,221 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 05:16:18,221 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 05:16:18,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 05:16:18,221 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 05:16:18,221 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-06 05:16:18,509 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 05:16:18,523 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 05:16:18,525 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 05:16:18,525 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 05:16:18,526 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 05:16:18,527 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-bakery-4.wvr.c [2022-12-06 05:16:19,474 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 05:16:19,724 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 05:16:19,725 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-bakery-4.wvr.c [2022-12-06 05:16:19,741 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17d59a40f/2b2b52f9422f464eaff0312180ada6b4/FLAG1f8068917 [2022-12-06 05:16:19,759 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17d59a40f/2b2b52f9422f464eaff0312180ada6b4 [2022-12-06 05:16:19,762 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 05:16:19,763 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 05:16:19,766 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 05:16:19,766 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 05:16:19,768 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 05:16:19,768 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:16:19" (1/1) ... [2022-12-06 05:16:19,769 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4658b944 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:19, skipping insertion in model container [2022-12-06 05:16:19,769 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:16:19" (1/1) ... [2022-12-06 05:16:19,774 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 05:16:19,806 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 05:16:19,936 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:19,937 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:19,937 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:19,939 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:19,939 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:19,940 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:19,941 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:19,941 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:19,942 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:19,943 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:19,943 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:19,943 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:19,943 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:19,944 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:19,945 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:19,946 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:19,946 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:19,946 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:19,946 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:19,951 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:19,951 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:19,951 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:19,951 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:19,953 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:19,953 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:19,953 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:19,953 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:19,954 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:19,954 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:19,955 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:19,957 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:19,959 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:19,959 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:19,960 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:19,960 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:19,961 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:19,961 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:19,963 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:19,963 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:19,963 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:19,963 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:19,963 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:19,964 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:19,964 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:19,964 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:19,965 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:19,965 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:19,966 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:19,966 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:19,967 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:19,967 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:19,968 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:19,969 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:19,970 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:19,971 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:19,971 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:19,971 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:19,971 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:19,971 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:19,971 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:19,972 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:19,973 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:19,973 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:19,976 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:19,976 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:19,976 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:19,977 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:19,978 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:19,978 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:19,978 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:19,979 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:19,979 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:19,979 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:19,980 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:19,980 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:19,980 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:19,981 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:19,981 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:19,981 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:19,982 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:19,982 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:19,982 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:19,982 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:19,983 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:19,983 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:19,984 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:19,984 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:19,984 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:19,984 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:19,985 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:19,986 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:19,987 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:19,987 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:19,988 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:19,988 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:19,989 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:19,989 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:19,989 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:19,989 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:19,989 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:19,989 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:19,990 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:19,990 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:19,990 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:19,990 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:19,990 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:19,991 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:19,991 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:19,991 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:19,993 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:19,993 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:19,993 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:19,993 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:19,994 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:19,994 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:19,995 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:19,995 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:19,996 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:19,996 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:19,996 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:20,014 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-bakery-4.wvr.c[7978,7991] [2022-12-06 05:16:20,019 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 05:16:20,025 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 05:16:20,033 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:20,034 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:20,034 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:20,034 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:20,034 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:20,034 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:20,035 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:20,035 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:20,035 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:20,035 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:20,035 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:20,035 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:20,035 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:20,036 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:20,036 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:20,036 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:20,036 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:20,036 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:20,036 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:20,037 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:20,037 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:20,037 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:20,037 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:20,038 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:20,038 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:20,038 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:20,038 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:20,038 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:20,038 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:20,038 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:20,039 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:20,039 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:20,039 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:20,039 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:20,039 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:20,040 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:20,040 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:20,040 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:20,040 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:20,040 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:20,040 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:20,041 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:20,041 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:20,041 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:20,041 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:20,042 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:20,042 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:20,042 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:20,042 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:20,043 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:20,043 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:20,043 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:20,046 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:20,047 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:20,052 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:20,053 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:20,053 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:20,053 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:20,053 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:20,054 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:20,055 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:20,063 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:20,063 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:20,063 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:20,064 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:20,064 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:20,064 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:20,064 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:20,064 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:20,064 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:20,064 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:20,065 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:20,065 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:20,065 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:20,065 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:20,066 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:20,066 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:20,066 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:20,066 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:20,066 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:20,066 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:20,067 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:20,067 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:20,067 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:20,067 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:20,067 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:20,067 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:20,067 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:20,068 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:20,068 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:20,068 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:20,068 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:20,068 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:20,069 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:20,069 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:20,069 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:20,069 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:20,069 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:20,069 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:20,069 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:20,070 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:20,070 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:20,070 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:20,070 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:20,070 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:20,070 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:20,070 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:20,071 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:20,071 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:20,071 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:20,071 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:20,071 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:20,072 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:20,072 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:20,072 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:20,072 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:20,072 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:20,072 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:20,072 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:16:20,073 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:16:20,078 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-bakery-4.wvr.c[7978,7991] [2022-12-06 05:16:20,092 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 05:16:20,102 INFO L208 MainTranslator]: Completed translation [2022-12-06 05:16:20,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:20 WrapperNode [2022-12-06 05:16:20,102 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 05:16:20,103 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 05:16:20,103 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 05:16:20,103 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 05:16:20,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:20" (1/1) ... [2022-12-06 05:16:20,119 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:20" (1/1) ... [2022-12-06 05:16:20,153 INFO L138 Inliner]: procedures = 23, calls = 176, calls flagged for inlining = 28, calls inlined = 28, statements flattened = 392 [2022-12-06 05:16:20,153 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 05:16:20,154 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 05:16:20,154 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 05:16:20,154 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 05:16:20,173 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:20" (1/1) ... [2022-12-06 05:16:20,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:20" (1/1) ... [2022-12-06 05:16:20,177 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:20" (1/1) ... [2022-12-06 05:16:20,177 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:20" (1/1) ... [2022-12-06 05:16:20,183 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:20" (1/1) ... [2022-12-06 05:16:20,186 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:20" (1/1) ... [2022-12-06 05:16:20,203 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:20" (1/1) ... [2022-12-06 05:16:20,205 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:20" (1/1) ... [2022-12-06 05:16:20,207 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 05:16:20,208 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 05:16:20,208 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 05:16:20,208 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 05:16:20,209 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:20" (1/1) ... [2022-12-06 05:16:20,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 05:16:20,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 05:16:20,247 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) [2022-12-06 05:16:20,276 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 [2022-12-06 05:16:20,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 05:16:20,287 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-06 05:16:20,288 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-06 05:16:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-06 05:16:20,288 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-06 05:16:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-06 05:16:20,288 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-06 05:16:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-12-06 05:16:20,288 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-12-06 05:16:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 05:16:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 05:16:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 05:16:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-06 05:16:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-06 05:16:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 05:16:20,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 05:16:20,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-06 05:16:20,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 05:16:20,291 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-06 05:16:20,356 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 05:16:20,358 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 05:16:20,700 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 05:16:20,800 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 05:16:20,800 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-06 05:16:20,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:16:20 BoogieIcfgContainer [2022-12-06 05:16:20,802 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 05:16:20,805 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 05:16:20,805 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 05:16:20,807 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 05:16:20,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 05:16:19" (1/3) ... [2022-12-06 05:16:20,807 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@451c5fbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:16:20, skipping insertion in model container [2022-12-06 05:16:20,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:20" (2/3) ... [2022-12-06 05:16:20,808 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@451c5fbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:16:20, skipping insertion in model container [2022-12-06 05:16:20,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:16:20" (3/3) ... [2022-12-06 05:16:20,808 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-bakery-4.wvr.c [2022-12-06 05:16:20,820 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 05:16:20,820 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-06 05:16:20,820 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 05:16:20,884 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-12-06 05:16:20,916 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 206 places, 195 transitions, 422 flow [2022-12-06 05:16:21,000 INFO L130 PetriNetUnfolder]: 2/191 cut-off events. [2022-12-06 05:16:21,001 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-12-06 05:16:21,005 INFO L83 FinitePrefix]: Finished finitePrefix Result has 208 conditions, 191 events. 2/191 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 204 event pairs, 0 based on Foata normal form. 0/188 useless extension candidates. Maximal degree in co-relation 145. Up to 2 conditions per place. [2022-12-06 05:16:21,005 INFO L82 GeneralOperation]: Start removeDead. Operand has 206 places, 195 transitions, 422 flow [2022-12-06 05:16:21,011 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 190 places, 179 transitions, 382 flow [2022-12-06 05:16:21,012 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 05:16:21,027 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 190 places, 179 transitions, 382 flow [2022-12-06 05:16:21,033 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 190 places, 179 transitions, 382 flow [2022-12-06 05:16:21,077 INFO L130 PetriNetUnfolder]: 2/179 cut-off events. [2022-12-06 05:16:21,078 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-12-06 05:16:21,079 INFO L83 FinitePrefix]: Finished finitePrefix Result has 196 conditions, 179 events. 2/179 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 203 event pairs, 0 based on Foata normal form. 0/177 useless extension candidates. Maximal degree in co-relation 145. Up to 2 conditions per place. [2022-12-06 05:16:21,083 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 190 places, 179 transitions, 382 flow [2022-12-06 05:16:21,083 INFO L188 LiptonReduction]: Number of co-enabled transitions 5712 [2022-12-06 05:16:26,912 INFO L203 LiptonReduction]: Total number of compositions: 110 [2022-12-06 05:16:26,922 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 05:16:26,926 INFO L357 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=REPEATED_LIPTON_PN, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@fcecd7b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 05:16:26,926 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-12-06 05:16:26,933 INFO L130 PetriNetUnfolder]: 0/68 cut-off events. [2022-12-06 05:16:26,933 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-12-06 05:16:26,933 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 05:16:26,934 INFO L213 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] [2022-12-06 05:16:26,934 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 05:16:26,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 05:16:26,937 INFO L85 PathProgramCache]: Analyzing trace with hash 1008108662, now seen corresponding path program 1 times [2022-12-06 05:16:26,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 05:16:26,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855933329] [2022-12-06 05:16:26,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 05:16:26,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 05:16:27,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 05:16:27,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 05:16:27,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 05:16:27,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855933329] [2022-12-06 05:16:27,819 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855933329] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 05:16:27,819 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 05:16:27,820 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-06 05:16:27,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627904475] [2022-12-06 05:16:27,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 05:16:27,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-06 05:16:27,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 05:16:27,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-06 05:16:27,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2022-12-06 05:16:27,839 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 69 [2022-12-06 05:16:27,840 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 69 transitions, 162 flow. Second operand has 11 states, 11 states have (on average 13.545454545454545) internal successors, (149), 11 states have internal predecessors, (149), 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) [2022-12-06 05:16:27,840 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 05:16:27,841 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 69 [2022-12-06 05:16:27,841 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 05:16:41,968 INFO L130 PetriNetUnfolder]: 182045/244047 cut-off events. [2022-12-06 05:16:41,969 INFO L131 PetriNetUnfolder]: For 8108/8108 co-relation queries the response was YES. [2022-12-06 05:16:42,439 INFO L83 FinitePrefix]: Finished finitePrefix Result has 495385 conditions, 244047 events. 182045/244047 cut-off events. For 8108/8108 co-relation queries the response was YES. Maximal size of possible extension queue 3891. Compared 1574792 event pairs, 68259 based on Foata normal form. 1/243810 useless extension candidates. Maximal degree in co-relation 450360. Up to 90209 conditions per place. [2022-12-06 05:16:43,378 INFO L137 encePairwiseOnDemand]: 59/69 looper letters, 352 selfloop transitions, 25 changer transitions 34/419 dead transitions. [2022-12-06 05:16:43,378 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 419 transitions, 1813 flow [2022-12-06 05:16:43,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-06 05:16:43,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2022-12-06 05:16:43,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 524 transitions. [2022-12-06 05:16:43,389 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5424430641821946 [2022-12-06 05:16:43,390 INFO L175 Difference]: Start difference. First operand has 82 places, 69 transitions, 162 flow. Second operand 14 states and 524 transitions. [2022-12-06 05:16:43,391 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 419 transitions, 1813 flow [2022-12-06 05:16:44,591 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 419 transitions, 1711 flow, removed 0 selfloop flow, removed 8 redundant places. [2022-12-06 05:16:44,595 INFO L231 Difference]: Finished difference. Result has 92 places, 98 transitions, 301 flow [2022-12-06 05:16:44,597 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=146, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=301, PETRI_PLACES=92, PETRI_TRANSITIONS=98} [2022-12-06 05:16:44,599 INFO L294 CegarLoopForPetriNet]: 82 programPoint places, 10 predicate places. [2022-12-06 05:16:44,599 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 05:16:44,600 INFO L89 Accepts]: Start accepts. Operand has 92 places, 98 transitions, 301 flow [2022-12-06 05:16:44,605 INFO L95 Accepts]: Finished accepts. [2022-12-06 05:16:44,606 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 05:16:44,606 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 92 places, 98 transitions, 301 flow [2022-12-06 05:16:44,609 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 90 places, 98 transitions, 301 flow [2022-12-06 05:16:44,644 INFO L130 PetriNetUnfolder]: 49/309 cut-off events. [2022-12-06 05:16:44,645 INFO L131 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2022-12-06 05:16:44,645 INFO L83 FinitePrefix]: Finished finitePrefix Result has 483 conditions, 309 events. 49/309 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1729 event pairs, 12 based on Foata normal form. 0/298 useless extension candidates. Maximal degree in co-relation 462. Up to 37 conditions per place. [2022-12-06 05:16:44,648 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 90 places, 98 transitions, 301 flow [2022-12-06 05:16:44,648 INFO L188 LiptonReduction]: Number of co-enabled transitions 4128 [2022-12-06 05:16:44,671 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [804] L78-->L82: Formula: (= v_~i1~0_1 v_~i~0_1) InVars {~i~0=v_~i~0_1} OutVars{~i~0=v_~i~0_1, ~i1~0=v_~i1~0_1} AuxVars[] AssignedVars[~i1~0] and [856] L238-->L241: Formula: (= (+ v_~i4~0_2 1) v_~i~0_8) InVars {~i4~0=v_~i4~0_2} OutVars{~i~0=v_~i~0_8, ~i4~0=v_~i4~0_2} AuxVars[] AssignedVars[~i~0] [2022-12-06 05:16:44,713 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [838] L182-->L186: Formula: (= v_~i3~0_1 v_~i~0_5) InVars {~i~0=v_~i~0_5} OutVars{~i3~0=v_~i3~0_1, ~i~0=v_~i~0_5} AuxVars[] AssignedVars[~i3~0] and [805] L82-->L85: Formula: (= (+ v_~i1~0_2 1) v_~i~0_2) InVars {~i1~0=v_~i1~0_2} OutVars{~i~0=v_~i~0_2, ~i1~0=v_~i1~0_2} AuxVars[] AssignedVars[~i~0] [2022-12-06 05:16:44,721 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [838] L182-->L186: Formula: (= v_~i3~0_1 v_~i~0_5) InVars {~i~0=v_~i~0_5} OutVars{~i3~0=v_~i3~0_1, ~i~0=v_~i~0_5} AuxVars[] AssignedVars[~i3~0] and [856] L238-->L241: Formula: (= (+ v_~i4~0_2 1) v_~i~0_8) InVars {~i4~0=v_~i4~0_2} OutVars{~i~0=v_~i~0_8, ~i4~0=v_~i4~0_2} AuxVars[] AssignedVars[~i~0] [2022-12-06 05:16:44,739 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [838] L182-->L186: Formula: (= v_~i3~0_1 v_~i~0_5) InVars {~i~0=v_~i~0_5} OutVars{~i3~0=v_~i3~0_1, ~i~0=v_~i~0_5} AuxVars[] AssignedVars[~i3~0] and [822] L134-->L137: Formula: (= (+ v_~i2~0_2 1) v_~i~0_4) InVars {~i2~0=v_~i2~0_2} OutVars{~i~0=v_~i~0_4, ~i2~0=v_~i2~0_2} AuxVars[] AssignedVars[~i~0] [2022-12-06 05:16:44,766 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [821] L130-->L134: Formula: (= v_~i2~0_1 v_~i~0_3) InVars {~i~0=v_~i~0_3} OutVars{~i~0=v_~i~0_3, ~i2~0=v_~i2~0_1} AuxVars[] AssignedVars[~i2~0] and [856] L238-->L241: Formula: (= (+ v_~i4~0_2 1) v_~i~0_8) InVars {~i4~0=v_~i4~0_2} OutVars{~i~0=v_~i~0_8, ~i4~0=v_~i4~0_2} AuxVars[] AssignedVars[~i~0] [2022-12-06 05:16:44,788 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [821] L130-->L134: Formula: (= v_~i2~0_1 v_~i~0_3) InVars {~i~0=v_~i~0_3} OutVars{~i~0=v_~i~0_3, ~i2~0=v_~i2~0_1} AuxVars[] AssignedVars[~i2~0] and [805] L82-->L85: Formula: (= (+ v_~i1~0_2 1) v_~i~0_2) InVars {~i1~0=v_~i1~0_2} OutVars{~i~0=v_~i~0_2, ~i1~0=v_~i1~0_2} AuxVars[] AssignedVars[~i~0] [2022-12-06 05:16:44,803 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [994] L78-->L241: Formula: (and (= (+ v_~i4~0_49 1) v_~i~0_117) (= v_~i1~0_41 v_~i~0_118)) InVars {~i4~0=v_~i4~0_49, ~i~0=v_~i~0_118} OutVars{~i~0=v_~i~0_117, ~i4~0=v_~i4~0_49, ~i1~0=v_~i1~0_41} AuxVars[] AssignedVars[~i~0, ~i1~0] and [805] L82-->L85: Formula: (= (+ v_~i1~0_2 1) v_~i~0_2) InVars {~i1~0=v_~i1~0_2} OutVars{~i~0=v_~i~0_2, ~i1~0=v_~i1~0_2} AuxVars[] AssignedVars[~i~0] [2022-12-06 05:16:44,856 INFO L203 LiptonReduction]: Total number of compositions: 5 [2022-12-06 05:16:44,858 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 259 [2022-12-06 05:16:44,858 INFO L495 AbstractCegarLoop]: Abstraction has has 87 places, 94 transitions, 300 flow [2022-12-06 05:16:44,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 13.545454545454545) internal successors, (149), 11 states have internal predecessors, (149), 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) [2022-12-06 05:16:44,859 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 05:16:44,859 INFO L213 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] [2022-12-06 05:16:44,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 05:16:44,862 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 05:16:44,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 05:16:44,863 INFO L85 PathProgramCache]: Analyzing trace with hash -469471222, now seen corresponding path program 2 times [2022-12-06 05:16:44,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 05:16:44,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996456561] [2022-12-06 05:16:44,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 05:16:44,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 05:16:45,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 05:16:45,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 05:16:45,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 05:16:45,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996456561] [2022-12-06 05:16:45,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996456561] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 05:16:45,788 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 05:16:45,788 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-06 05:16:45,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058300916] [2022-12-06 05:16:45,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 05:16:45,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-06 05:16:45,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 05:16:45,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-06 05:16:45,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-12-06 05:16:45,794 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 77 [2022-12-06 05:16:45,795 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 94 transitions, 300 flow. Second operand has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 9 states have internal predecessors, (133), 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) [2022-12-06 05:16:45,795 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 05:16:45,795 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 77 [2022-12-06 05:16:45,795 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 05:17:07,464 INFO L130 PetriNetUnfolder]: 286912/399807 cut-off events. [2022-12-06 05:17:07,464 INFO L131 PetriNetUnfolder]: For 15292/15332 co-relation queries the response was YES. [2022-12-06 05:17:08,432 INFO L83 FinitePrefix]: Finished finitePrefix Result has 825734 conditions, 399807 events. 286912/399807 cut-off events. For 15292/15332 co-relation queries the response was YES. Maximal size of possible extension queue 5920. Compared 2924973 event pairs, 70247 based on Foata normal form. 3458/397688 useless extension candidates. Maximal degree in co-relation 825705. Up to 258455 conditions per place. [2022-12-06 05:17:09,691 INFO L137 encePairwiseOnDemand]: 59/77 looper letters, 320 selfloop transitions, 56 changer transitions 0/400 dead transitions. [2022-12-06 05:17:09,692 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 400 transitions, 1758 flow [2022-12-06 05:17:09,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-06 05:17:09,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2022-12-06 05:17:09,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 474 transitions. [2022-12-06 05:17:09,694 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.512987012987013 [2022-12-06 05:17:09,694 INFO L175 Difference]: Start difference. First operand has 87 places, 94 transitions, 300 flow. Second operand 12 states and 474 transitions. [2022-12-06 05:17:09,694 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 400 transitions, 1758 flow [2022-12-06 05:17:10,485 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 400 transitions, 1756 flow, removed 1 selfloop flow, removed 1 redundant places. [2022-12-06 05:17:10,499 INFO L231 Difference]: Finished difference. Result has 105 places, 157 transitions, 670 flow [2022-12-06 05:17:10,500 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=77, PETRI_DIFFERENCE_MINUEND_FLOW=293, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=670, PETRI_PLACES=105, PETRI_TRANSITIONS=157} [2022-12-06 05:17:10,500 INFO L294 CegarLoopForPetriNet]: 82 programPoint places, 23 predicate places. [2022-12-06 05:17:10,500 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 05:17:10,501 INFO L89 Accepts]: Start accepts. Operand has 105 places, 157 transitions, 670 flow [2022-12-06 05:17:10,503 INFO L95 Accepts]: Finished accepts. [2022-12-06 05:17:10,503 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 05:17:10,503 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 105 places, 157 transitions, 670 flow [2022-12-06 05:17:10,504 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 105 places, 157 transitions, 670 flow [2022-12-06 05:17:10,777 INFO L130 PetriNetUnfolder]: 1187/4553 cut-off events. [2022-12-06 05:17:10,777 INFO L131 PetriNetUnfolder]: For 1440/1496 co-relation queries the response was YES. [2022-12-06 05:17:10,805 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8992 conditions, 4553 events. 1187/4553 cut-off events. For 1440/1496 co-relation queries the response was YES. Maximal size of possible extension queue 277. Compared 48064 event pairs, 317 based on Foata normal form. 11/4234 useless extension candidates. Maximal degree in co-relation 8544. Up to 829 conditions per place. [2022-12-06 05:17:10,858 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 105 places, 157 transitions, 670 flow [2022-12-06 05:17:10,859 INFO L188 LiptonReduction]: Number of co-enabled transitions 6534 [2022-12-06 05:17:10,933 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 05:17:10,934 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 434 [2022-12-06 05:17:10,934 INFO L495 AbstractCegarLoop]: Abstraction has has 105 places, 157 transitions, 670 flow [2022-12-06 05:17:10,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 9 states have internal predecessors, (133), 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) [2022-12-06 05:17:10,934 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 05:17:10,934 INFO L213 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] [2022-12-06 05:17:10,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 05:17:10,934 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 05:17:10,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 05:17:10,935 INFO L85 PathProgramCache]: Analyzing trace with hash -1339777785, now seen corresponding path program 1 times [2022-12-06 05:17:10,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 05:17:10,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358416314] [2022-12-06 05:17:10,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 05:17:10,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 05:17:11,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 05:17:11,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 05:17:11,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 05:17:11,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358416314] [2022-12-06 05:17:11,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358416314] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 05:17:11,158 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 05:17:11,158 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 05:17:11,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556145503] [2022-12-06 05:17:11,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 05:17:11,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 05:17:11,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 05:17:11,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 05:17:11,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 05:17:11,161 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 77 [2022-12-06 05:17:11,161 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 157 transitions, 670 flow. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 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) [2022-12-06 05:17:11,161 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 05:17:11,161 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 77 [2022-12-06 05:17:11,161 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 05:17:26,049 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([974] L189-->thread3EXIT: Formula: (and (= |v_thread3Thread1of1ForFork0_#res#1.base_15| 0) (= v_~n3~0_189 0) (= |v_thread3Thread1of1ForFork0_#res#1.offset_15| 0)) InVars {} OutVars{thread3Thread1of1ForFork0_#res#1.offset=|v_thread3Thread1of1ForFork0_#res#1.offset_15|, ~n3~0=v_~n3~0_189, thread3Thread1of1ForFork0_#res#1.base=|v_thread3Thread1of1ForFork0_#res#1.base_15|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#res#1.offset, ~n3~0, thread3Thread1of1ForFork0_#res#1.base][128], [Black: 253#(and (<= 1 ~n1~0) (<= (+ ~n1~0 1) ~n2~0)), Black: 248#(and (<= ~n3~0 ~n2~0) (<= 0 ~n2~0) (<= ~n4~0 ~n2~0) (<= ~n2~0 ~n1~0)), Black: 247#(and (<= ~n3~0 ~n4~0) (<= ~n1~0 ~n4~0) (<= 0 ~n2~0) (<= ~n4~0 ~n2~0) (<= ~n2~0 ~n1~0) (<= ~n4~0 ~n3~0)), Black: 251#(and (<= 1 ~n1~0) (<= (+ ~n4~0 1) ~n2~0) (<= ~n1~0 ~n2~0)), Black: 255#(and (<= 1 ~n1~0) (<= ~n3~0 ~n2~0) (<= (+ ~n4~0 1) ~n2~0) (<= ~n1~0 ~n2~0) (<= ~n2~0 ~n1~0)), Black: 250#(and (<= 1 ~n1~0) (= ~n2~0 ~n1~0) (<= (+ ~n4~0 1) ~n1~0) (<= (+ ~n3~0 1) ~n1~0)), Black: 257#(and (<= 1 ~n1~0) (<= (+ ~n1~0 1) ~n2~0) (<= (+ ~n4~0 1) ~n2~0)), Black: 249#(and (<= ~n3~0 ~n2~0) (<= 0 ~n2~0) (<= ~n4~0 ~n2~0) (<= (+ ~n2~0 1) ~n1~0)), 209#true, Black: 211#(and (<= ~i~0 0) (<= 0 ~i~0)), Black: 227#(and (<= ~i~0 2) (<= 0 ~i3~0) (<= ~i2~0 1) (<= 1 ~i2~0) (<= ~i3~0 0) (<= 2 ~i~0)), 183#L274-2true, Black: 233#(and (<= 2 ~i1~0) (<= 0 ~i3~0) (<= ~i2~0 1) (<= 3 ~i~0) (<= 1 ~i2~0) (<= ~i1~0 2) (<= ~i~0 3) (<= ~i3~0 0)), Black: 223#(and (<= 1 ~i~0) (<= 0 ~i3~0) (<= ~i~0 1) (<= ~i3~0 0)), 194#L209true, 268#true, 85#thread3EXITtrue, 35#thread2EXITtrue, 245#true]) [2022-12-06 05:17:26,049 INFO L382 tUnfolder$Statistics]: this new event has 52 ancestors and is not cut-off event [2022-12-06 05:17:26,050 INFO L385 tUnfolder$Statistics]: existing Event has 52 ancestors and is not cut-off event [2022-12-06 05:17:26,050 INFO L385 tUnfolder$Statistics]: existing Event has 52 ancestors and is not cut-off event [2022-12-06 05:17:26,050 INFO L385 tUnfolder$Statistics]: existing Event has 52 ancestors and is not cut-off event [2022-12-06 05:17:26,050 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([974] L189-->thread3EXIT: Formula: (and (= |v_thread3Thread1of1ForFork0_#res#1.base_15| 0) (= v_~n3~0_189 0) (= |v_thread3Thread1of1ForFork0_#res#1.offset_15| 0)) InVars {} OutVars{thread3Thread1of1ForFork0_#res#1.offset=|v_thread3Thread1of1ForFork0_#res#1.offset_15|, ~n3~0=v_~n3~0_189, thread3Thread1of1ForFork0_#res#1.base=|v_thread3Thread1of1ForFork0_#res#1.base_15|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#res#1.offset, ~n3~0, thread3Thread1of1ForFork0_#res#1.base][128], [Black: 253#(and (<= 1 ~n1~0) (<= (+ ~n1~0 1) ~n2~0)), Black: 248#(and (<= ~n3~0 ~n2~0) (<= 0 ~n2~0) (<= ~n4~0 ~n2~0) (<= ~n2~0 ~n1~0)), Black: 247#(and (<= ~n3~0 ~n4~0) (<= ~n1~0 ~n4~0) (<= 0 ~n2~0) (<= ~n4~0 ~n2~0) (<= ~n2~0 ~n1~0) (<= ~n4~0 ~n3~0)), Black: 251#(and (<= 1 ~n1~0) (<= (+ ~n4~0 1) ~n2~0) (<= ~n1~0 ~n2~0)), Black: 255#(and (<= 1 ~n1~0) (<= ~n3~0 ~n2~0) (<= (+ ~n4~0 1) ~n2~0) (<= ~n1~0 ~n2~0) (<= ~n2~0 ~n1~0)), Black: 250#(and (<= 1 ~n1~0) (= ~n2~0 ~n1~0) (<= (+ ~n4~0 1) ~n1~0) (<= (+ ~n3~0 1) ~n1~0)), Black: 257#(and (<= 1 ~n1~0) (<= (+ ~n1~0 1) ~n2~0) (<= (+ ~n4~0 1) ~n2~0)), Black: 249#(and (<= ~n3~0 ~n2~0) (<= 0 ~n2~0) (<= ~n4~0 ~n2~0) (<= (+ ~n2~0 1) ~n1~0)), 209#true, Black: 211#(and (<= ~i~0 0) (<= 0 ~i~0)), Black: 227#(and (<= ~i~0 2) (<= 0 ~i3~0) (<= ~i2~0 1) (<= 1 ~i2~0) (<= ~i3~0 0) (<= 2 ~i~0)), Black: 233#(and (<= 2 ~i1~0) (<= 0 ~i3~0) (<= ~i2~0 1) (<= 3 ~i~0) (<= 1 ~i2~0) (<= ~i1~0 2) (<= ~i~0 3) (<= ~i3~0 0)), 268#true, 185#L275-1true, 194#L209true, Black: 223#(and (<= 1 ~i~0) (<= 0 ~i3~0) (<= ~i~0 1) (<= ~i3~0 0)), 85#thread3EXITtrue, 35#thread2EXITtrue, 245#true]) [2022-12-06 05:17:26,054 INFO L382 tUnfolder$Statistics]: this new event has 53 ancestors and is cut-off event [2022-12-06 05:17:26,054 INFO L385 tUnfolder$Statistics]: existing Event has 53 ancestors and is cut-off event [2022-12-06 05:17:26,054 INFO L385 tUnfolder$Statistics]: existing Event has 53 ancestors and is cut-off event [2022-12-06 05:17:26,057 INFO L385 tUnfolder$Statistics]: existing Event has 53 ancestors and is cut-off event [2022-12-06 05:17:26,320 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([974] L189-->thread3EXIT: Formula: (and (= |v_thread3Thread1of1ForFork0_#res#1.base_15| 0) (= v_~n3~0_189 0) (= |v_thread3Thread1of1ForFork0_#res#1.offset_15| 0)) InVars {} OutVars{thread3Thread1of1ForFork0_#res#1.offset=|v_thread3Thread1of1ForFork0_#res#1.offset_15|, ~n3~0=v_~n3~0_189, thread3Thread1of1ForFork0_#res#1.base=|v_thread3Thread1of1ForFork0_#res#1.base_15|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#res#1.offset, ~n3~0, thread3Thread1of1ForFork0_#res#1.base][128], [Black: 253#(and (<= 1 ~n1~0) (<= (+ ~n1~0 1) ~n2~0)), Black: 248#(and (<= ~n3~0 ~n2~0) (<= 0 ~n2~0) (<= ~n4~0 ~n2~0) (<= ~n2~0 ~n1~0)), Black: 247#(and (<= ~n3~0 ~n4~0) (<= ~n1~0 ~n4~0) (<= 0 ~n2~0) (<= ~n4~0 ~n2~0) (<= ~n2~0 ~n1~0) (<= ~n4~0 ~n3~0)), Black: 251#(and (<= 1 ~n1~0) (<= (+ ~n4~0 1) ~n2~0) (<= ~n1~0 ~n2~0)), Black: 255#(and (<= 1 ~n1~0) (<= ~n3~0 ~n2~0) (<= (+ ~n4~0 1) ~n2~0) (<= ~n1~0 ~n2~0) (<= ~n2~0 ~n1~0)), Black: 250#(and (<= 1 ~n1~0) (= ~n2~0 ~n1~0) (<= (+ ~n4~0 1) ~n1~0) (<= (+ ~n3~0 1) ~n1~0)), Black: 257#(and (<= 1 ~n1~0) (<= (+ ~n1~0 1) ~n2~0) (<= (+ ~n4~0 1) ~n2~0)), Black: 249#(and (<= ~n3~0 ~n2~0) (<= 0 ~n2~0) (<= ~n4~0 ~n2~0) (<= (+ ~n2~0 1) ~n1~0)), 209#true, Black: 211#(and (<= ~i~0 0) (<= 0 ~i~0)), Black: 227#(and (<= ~i~0 2) (<= 0 ~i3~0) (<= ~i2~0 1) (<= 1 ~i2~0) (<= ~i3~0 0) (<= 2 ~i~0)), 171#L275-2true, Black: 233#(and (<= 2 ~i1~0) (<= 0 ~i3~0) (<= ~i2~0 1) (<= 3 ~i~0) (<= 1 ~i2~0) (<= ~i1~0 2) (<= ~i~0 3) (<= ~i3~0 0)), 194#L209true, Black: 223#(and (<= 1 ~i~0) (<= 0 ~i3~0) (<= ~i~0 1) (<= ~i3~0 0)), 268#true, 85#thread3EXITtrue, 245#true]) [2022-12-06 05:17:26,320 INFO L382 tUnfolder$Statistics]: this new event has 54 ancestors and is cut-off event [2022-12-06 05:17:26,320 INFO L385 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event [2022-12-06 05:17:26,320 INFO L385 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event [2022-12-06 05:17:26,320 INFO L385 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event [2022-12-06 05:17:26,395 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([974] L189-->thread3EXIT: Formula: (and (= |v_thread3Thread1of1ForFork0_#res#1.base_15| 0) (= v_~n3~0_189 0) (= |v_thread3Thread1of1ForFork0_#res#1.offset_15| 0)) InVars {} OutVars{thread3Thread1of1ForFork0_#res#1.offset=|v_thread3Thread1of1ForFork0_#res#1.offset_15|, ~n3~0=v_~n3~0_189, thread3Thread1of1ForFork0_#res#1.base=|v_thread3Thread1of1ForFork0_#res#1.base_15|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#res#1.offset, ~n3~0, thread3Thread1of1ForFork0_#res#1.base][128], [Black: 253#(and (<= 1 ~n1~0) (<= (+ ~n1~0 1) ~n2~0)), Black: 248#(and (<= ~n3~0 ~n2~0) (<= 0 ~n2~0) (<= ~n4~0 ~n2~0) (<= ~n2~0 ~n1~0)), Black: 247#(and (<= ~n3~0 ~n4~0) (<= ~n1~0 ~n4~0) (<= 0 ~n2~0) (<= ~n4~0 ~n2~0) (<= ~n2~0 ~n1~0) (<= ~n4~0 ~n3~0)), Black: 251#(and (<= 1 ~n1~0) (<= (+ ~n4~0 1) ~n2~0) (<= ~n1~0 ~n2~0)), 104#L276-1true, Black: 255#(and (<= 1 ~n1~0) (<= ~n3~0 ~n2~0) (<= (+ ~n4~0 1) ~n2~0) (<= ~n1~0 ~n2~0) (<= ~n2~0 ~n1~0)), Black: 250#(and (<= 1 ~n1~0) (= ~n2~0 ~n1~0) (<= (+ ~n4~0 1) ~n1~0) (<= (+ ~n3~0 1) ~n1~0)), Black: 257#(and (<= 1 ~n1~0) (<= (+ ~n1~0 1) ~n2~0) (<= (+ ~n4~0 1) ~n2~0)), Black: 249#(and (<= ~n3~0 ~n2~0) (<= 0 ~n2~0) (<= ~n4~0 ~n2~0) (<= (+ ~n2~0 1) ~n1~0)), 209#true, Black: 211#(and (<= ~i~0 0) (<= 0 ~i~0)), Black: 227#(and (<= ~i~0 2) (<= 0 ~i3~0) (<= ~i2~0 1) (<= 1 ~i2~0) (<= ~i3~0 0) (<= 2 ~i~0)), Black: 233#(and (<= 2 ~i1~0) (<= 0 ~i3~0) (<= ~i2~0 1) (<= 3 ~i~0) (<= 1 ~i2~0) (<= ~i1~0 2) (<= ~i~0 3) (<= ~i3~0 0)), 268#true, 194#L209true, Black: 223#(and (<= 1 ~i~0) (<= 0 ~i3~0) (<= ~i~0 1) (<= ~i3~0 0)), 85#thread3EXITtrue, 245#true]) [2022-12-06 05:17:26,396 INFO L382 tUnfolder$Statistics]: this new event has 55 ancestors and is cut-off event [2022-12-06 05:17:26,396 INFO L385 tUnfolder$Statistics]: existing Event has 55 ancestors and is cut-off event [2022-12-06 05:17:26,396 INFO L385 tUnfolder$Statistics]: existing Event has 55 ancestors and is cut-off event [2022-12-06 05:17:26,396 INFO L385 tUnfolder$Statistics]: existing Event has 55 ancestors and is cut-off event [2022-12-06 05:17:26,594 INFO L130 PetriNetUnfolder]: 142409/213029 cut-off events. [2022-12-06 05:17:26,594 INFO L131 PetriNetUnfolder]: For 104999/106927 co-relation queries the response was YES. [2022-12-06 05:17:27,570 INFO L83 FinitePrefix]: Finished finitePrefix Result has 524471 conditions, 213029 events. 142409/213029 cut-off events. For 104999/106927 co-relation queries the response was YES. Maximal size of possible extension queue 4121. Compared 1741023 event pairs, 111692 based on Foata normal form. 2428/208644 useless extension candidates. Maximal degree in co-relation 453441. Up to 172093 conditions per place. [2022-12-06 05:17:28,371 INFO L137 encePairwiseOnDemand]: 72/77 looper letters, 147 selfloop transitions, 10 changer transitions 0/197 dead transitions. [2022-12-06 05:17:28,371 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 197 transitions, 1121 flow [2022-12-06 05:17:28,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 05:17:28,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 05:17:28,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 146 transitions. [2022-12-06 05:17:28,372 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6320346320346321 [2022-12-06 05:17:28,372 INFO L175 Difference]: Start difference. First operand has 105 places, 157 transitions, 670 flow. Second operand 3 states and 146 transitions. [2022-12-06 05:17:28,372 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 197 transitions, 1121 flow [2022-12-06 05:17:29,045 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 197 transitions, 1121 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-06 05:17:29,048 INFO L231 Difference]: Finished difference. Result has 108 places, 155 transitions, 694 flow [2022-12-06 05:17:29,048 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=77, PETRI_DIFFERENCE_MINUEND_FLOW=658, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=694, PETRI_PLACES=108, PETRI_TRANSITIONS=155} [2022-12-06 05:17:29,048 INFO L294 CegarLoopForPetriNet]: 82 programPoint places, 26 predicate places. [2022-12-06 05:17:29,049 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 05:17:29,049 INFO L89 Accepts]: Start accepts. Operand has 108 places, 155 transitions, 694 flow [2022-12-06 05:17:29,051 INFO L95 Accepts]: Finished accepts. [2022-12-06 05:17:29,051 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 05:17:29,051 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 108 places, 155 transitions, 694 flow [2022-12-06 05:17:29,053 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 108 places, 155 transitions, 694 flow [2022-12-06 05:17:29,423 INFO L130 PetriNetUnfolder]: 1479/5460 cut-off events. [2022-12-06 05:17:29,423 INFO L131 PetriNetUnfolder]: For 2198/2250 co-relation queries the response was YES. [2022-12-06 05:17:29,440 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11411 conditions, 5460 events. 1479/5460 cut-off events. For 2198/2250 co-relation queries the response was YES. Maximal size of possible extension queue 310. Compared 58772 event pairs, 539 based on Foata normal form. 20/5051 useless extension candidates. Maximal degree in co-relation 10873. Up to 845 conditions per place. [2022-12-06 05:17:29,476 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 108 places, 155 transitions, 694 flow [2022-12-06 05:17:29,477 INFO L188 LiptonReduction]: Number of co-enabled transitions 5736 [2022-12-06 05:17:29,517 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [960] L53-->L59: Formula: (and (= v_~e1~0_82 0) (= v_~n1~0_187 (+ v_~n1~0_188 1))) InVars {~n1~0=v_~n1~0_188} OutVars{thread1Thread1of1ForFork1_#t~post1#1=|v_thread1Thread1of1ForFork1_#t~post1#1_17|, ~n1~0=v_~n1~0_187, ~e1~0=v_~e1~0_82} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post1#1, ~n1~0, ~e1~0] and [912] L105-->L111: Formula: (and (= v_~e2~0_52 0) (= v_~n2~0_113 (+ v_~n2~0_114 1))) InVars {~n2~0=v_~n2~0_114} OutVars{~n2~0=v_~n2~0_113, thread2Thread1of1ForFork3_#t~post2#1=|v_thread2Thread1of1ForFork3_#t~post2#1_9|, ~e2~0=v_~e2~0_52} AuxVars[] AssignedVars[~n2~0, thread2Thread1of1ForFork3_#t~post2#1, ~e2~0] [2022-12-06 05:17:29,590 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-06 05:17:29,591 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 542 [2022-12-06 05:17:29,591 INFO L495 AbstractCegarLoop]: Abstraction has has 108 places, 155 transitions, 698 flow [2022-12-06 05:17:29,592 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 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) [2022-12-06 05:17:29,592 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 05:17:29,592 INFO L213 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] [2022-12-06 05:17:29,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-06 05:17:29,592 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 05:17:29,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 05:17:29,592 INFO L85 PathProgramCache]: Analyzing trace with hash 1313083165, now seen corresponding path program 2 times [2022-12-06 05:17:29,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 05:17:29,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347919264] [2022-12-06 05:17:29,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 05:17:29,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 05:17:29,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 05:17:29,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 05:17:29,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 05:17:29,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347919264] [2022-12-06 05:17:29,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347919264] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 05:17:29,773 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 05:17:29,773 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 05:17:29,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131136790] [2022-12-06 05:17:29,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 05:17:29,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 05:17:29,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 05:17:29,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 05:17:29,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 05:17:29,774 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 78 [2022-12-06 05:17:29,774 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 155 transitions, 698 flow. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 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) [2022-12-06 05:17:29,774 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 05:17:29,775 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 78 [2022-12-06 05:17:29,775 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 05:17:43,736 INFO L130 PetriNetUnfolder]: 123346/183977 cut-off events. [2022-12-06 05:17:43,737 INFO L131 PetriNetUnfolder]: For 137551/138961 co-relation queries the response was YES. [2022-12-06 05:17:44,613 INFO L83 FinitePrefix]: Finished finitePrefix Result has 492031 conditions, 183977 events. 123346/183977 cut-off events. For 137551/138961 co-relation queries the response was YES. Maximal size of possible extension queue 3441. Compared 1477996 event pairs, 92863 based on Foata normal form. 1416/180526 useless extension candidates. Maximal degree in co-relation 421271. Up to 143796 conditions per place. [2022-12-06 05:17:45,274 INFO L137 encePairwiseOnDemand]: 73/78 looper letters, 157 selfloop transitions, 19 changer transitions 1/217 dead transitions. [2022-12-06 05:17:45,274 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 217 transitions, 1352 flow [2022-12-06 05:17:45,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 05:17:45,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 05:17:45,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 151 transitions. [2022-12-06 05:17:45,275 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6452991452991453 [2022-12-06 05:17:45,275 INFO L175 Difference]: Start difference. First operand has 108 places, 155 transitions, 698 flow. Second operand 3 states and 151 transitions. [2022-12-06 05:17:45,275 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 217 transitions, 1352 flow [2022-12-06 05:17:46,348 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 217 transitions, 1312 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-06 05:17:46,350 INFO L231 Difference]: Finished difference. Result has 109 places, 155 transitions, 741 flow [2022-12-06 05:17:46,350 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=78, PETRI_DIFFERENCE_MINUEND_FLOW=678, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=741, PETRI_PLACES=109, PETRI_TRANSITIONS=155} [2022-12-06 05:17:46,351 INFO L294 CegarLoopForPetriNet]: 82 programPoint places, 27 predicate places. [2022-12-06 05:17:46,351 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 05:17:46,351 INFO L89 Accepts]: Start accepts. Operand has 109 places, 155 transitions, 741 flow [2022-12-06 05:17:46,354 INFO L95 Accepts]: Finished accepts. [2022-12-06 05:17:46,354 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 05:17:46,354 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 109 places, 155 transitions, 741 flow [2022-12-06 05:17:46,355 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 109 places, 155 transitions, 741 flow [2022-12-06 05:17:46,772 INFO L130 PetriNetUnfolder]: 1814/6204 cut-off events. [2022-12-06 05:17:46,772 INFO L131 PetriNetUnfolder]: For 3195/3225 co-relation queries the response was YES. [2022-12-06 05:17:46,795 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14126 conditions, 6204 events. 1814/6204 cut-off events. For 3195/3225 co-relation queries the response was YES. Maximal size of possible extension queue 297. Compared 66108 event pairs, 748 based on Foata normal form. 20/5681 useless extension candidates. Maximal degree in co-relation 13692. Up to 1077 conditions per place. [2022-12-06 05:17:46,838 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 109 places, 155 transitions, 741 flow [2022-12-06 05:17:46,839 INFO L188 LiptonReduction]: Number of co-enabled transitions 5532 [2022-12-06 05:17:46,885 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 05:17:46,890 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 539 [2022-12-06 05:17:46,890 INFO L495 AbstractCegarLoop]: Abstraction has has 109 places, 155 transitions, 741 flow [2022-12-06 05:17:46,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 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) [2022-12-06 05:17:46,891 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 05:17:46,891 INFO L213 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] [2022-12-06 05:17:46,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-06 05:17:46,891 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 05:17:46,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 05:17:46,892 INFO L85 PathProgramCache]: Analyzing trace with hash -586171520, now seen corresponding path program 1 times [2022-12-06 05:17:46,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 05:17:46,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976180490] [2022-12-06 05:17:46,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 05:17:46,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 05:17:46,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 05:17:47,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 05:17:47,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 05:17:47,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976180490] [2022-12-06 05:17:47,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976180490] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 05:17:47,055 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 05:17:47,055 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 05:17:47,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297837528] [2022-12-06 05:17:47,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 05:17:47,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 05:17:47,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 05:17:47,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 05:17:47,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 05:17:47,057 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 78 [2022-12-06 05:17:47,057 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 155 transitions, 741 flow. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 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) [2022-12-06 05:17:47,057 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 05:17:47,057 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 78 [2022-12-06 05:17:47,058 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand