/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/pthread-wmm/mix040_power.oepc_pso.oepc_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-a802222-m [2022-12-13 09:25:47,409 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 09:25:47,411 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 09:25:47,442 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 09:25:47,444 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 09:25:47,446 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 09:25:47,448 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 09:25:47,451 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 09:25:47,454 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 09:25:47,458 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 09:25:47,459 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 09:25:47,461 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 09:25:47,461 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 09:25:47,463 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 09:25:47,464 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 09:25:47,466 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 09:25:47,466 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 09:25:47,467 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 09:25:47,469 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 09:25:47,473 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 09:25:47,474 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 09:25:47,477 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 09:25:47,478 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 09:25:47,478 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 09:25:47,480 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 09:25:47,480 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 09:25:47,480 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 09:25:47,481 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 09:25:47,481 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 09:25:47,482 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 09:25:47,482 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 09:25:47,482 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 09:25:47,483 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 09:25:47,483 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 09:25:47,484 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 09:25:47,484 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 09:25:47,485 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 09:25:47,485 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 09:25:47,485 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 09:25:47,485 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 09:25:47,486 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 09:25:47,494 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 [2022-12-13 09:25:47,520 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 09:25:47,520 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 09:25:47,522 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 09:25:47,522 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 09:25:47,522 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 09:25:47,523 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 09:25:47,523 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 09:25:47,523 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 09:25:47,523 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 09:25:47,523 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 09:25:47,524 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 09:25:47,524 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 09:25:47,524 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 09:25:47,524 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 09:25:47,524 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 09:25:47,524 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 09:25:47,524 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 09:25:47,524 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 09:25:47,525 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 09:25:47,525 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-13 09:25:47,525 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 09:25:47,525 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 09:25:47,525 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 09:25:47,525 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 09:25:47,525 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 09:25:47,525 INFO L138 SettingsManager]: * Use conditional commutativity for large block encoding in concurrent analysis=CONDITIONAL_CONJUNCTIVE [2022-12-13 09:25:47,525 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 09:25:47,526 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 09:25:47,526 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-13 09:25:47,526 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-13 09:25:47,804 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 09:25:47,823 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 09:25:47,825 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 09:25:47,826 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 09:25:47,826 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 09:25:47,827 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix040_power.oepc_pso.oepc_rmo.oepc.i [2022-12-13 09:25:48,731 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 09:25:48,948 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 09:25:48,948 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix040_power.oepc_pso.oepc_rmo.oepc.i [2022-12-13 09:25:48,966 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85b005683/51dc2e988a2c4d14a4e3778ce3310a36/FLAG5a3c2827a [2022-12-13 09:25:48,980 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85b005683/51dc2e988a2c4d14a4e3778ce3310a36 [2022-12-13 09:25:48,982 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 09:25:48,983 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-13 09:25:48,984 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 09:25:48,984 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 09:25:48,986 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 09:25:48,986 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:25:48" (1/1) ... [2022-12-13 09:25:48,987 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2315a35f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:25:48, skipping insertion in model container [2022-12-13 09:25:48,987 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:25:48" (1/1) ... [2022-12-13 09:25:48,992 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 09:25:49,028 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 09:25:49,153 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix040_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2022-12-13 09:25:49,240 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:25:49,242 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:25:49,242 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:25:49,243 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:25:49,243 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:25:49,245 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:25:49,245 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:25:49,246 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:25:49,246 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:25:49,247 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:25:49,247 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:25:49,247 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:25:49,247 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:25:49,249 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:25:49,249 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:25:49,250 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:25:49,250 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:25:49,250 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:25:49,250 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:25:49,251 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:25:49,251 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:25:49,253 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:25:49,253 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:25:49,253 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:25:49,254 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:25:49,254 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:25:49,254 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:25:49,254 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:25:49,254 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:25:49,254 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:25:49,255 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:25:49,261 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:25:49,261 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:25:49,263 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:25:49,263 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:25:49,263 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:25:49,269 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:25:49,269 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:25:49,270 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:25:49,271 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:25:49,271 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:25:49,284 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:25:49,285 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 09:25:49,292 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 09:25:49,301 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix040_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2022-12-13 09:25:49,333 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:25:49,334 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:25:49,334 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:25:49,335 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:25:49,335 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:25:49,336 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:25:49,336 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:25:49,336 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:25:49,337 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:25:49,337 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:25:49,337 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:25:49,337 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:25:49,338 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:25:49,339 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:25:49,341 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:25:49,342 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:25:49,342 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:25:49,342 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:25:49,342 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:25:49,343 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:25:49,343 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:25:49,344 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:25:49,344 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:25:49,344 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:25:49,345 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:25:49,346 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:25:49,346 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:25:49,346 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:25:49,346 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:25:49,346 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:25:49,347 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:25:49,356 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:25:49,356 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:25:49,358 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:25:49,358 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:25:49,358 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:25:49,361 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:25:49,361 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:25:49,361 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:25:49,363 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:25:49,363 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:25:49,372 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:25:49,375 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 09:25:49,417 INFO L208 MainTranslator]: Completed translation [2022-12-13 09:25:49,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:25:49 WrapperNode [2022-12-13 09:25:49,418 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 09:25:49,420 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 09:25:49,420 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 09:25:49,420 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 09:25:49,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:25:49" (1/1) ... [2022-12-13 09:25:49,457 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:25:49" (1/1) ... [2022-12-13 09:25:49,482 INFO L138 Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 145 [2022-12-13 09:25:49,483 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 09:25:49,483 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 09:25:49,484 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 09:25:49,484 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 09:25:49,493 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:25:49" (1/1) ... [2022-12-13 09:25:49,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:25:49" (1/1) ... [2022-12-13 09:25:49,507 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:25:49" (1/1) ... [2022-12-13 09:25:49,507 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:25:49" (1/1) ... [2022-12-13 09:25:49,519 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:25:49" (1/1) ... [2022-12-13 09:25:49,530 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:25:49" (1/1) ... [2022-12-13 09:25:49,532 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:25:49" (1/1) ... [2022-12-13 09:25:49,533 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:25:49" (1/1) ... [2022-12-13 09:25:49,535 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 09:25:49,536 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 09:25:49,536 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 09:25:49,536 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 09:25:49,536 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:25:49" (1/1) ... [2022-12-13 09:25:49,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 09:25:49,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-13 09:25:49,566 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) [2022-12-13 09:25:49,595 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 [2022-12-13 09:25:49,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 09:25:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-13 09:25:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 09:25:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 09:25:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 09:25:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-13 09:25:49,626 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-13 09:25:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-13 09:25:49,626 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-13 09:25:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-12-13 09:25:49,627 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-12-13 09:25:49,627 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-12-13 09:25:49,628 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-12-13 09:25:49,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 09:25:49,628 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-13 09:25:49,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 09:25:49,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 09:25:49,629 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-13 09:25:49,805 INFO L236 CfgBuilder]: Building ICFG [2022-12-13 09:25:49,807 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 09:25:50,105 INFO L277 CfgBuilder]: Performing block encoding [2022-12-13 09:25:50,228 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 09:25:50,229 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 09:25:50,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:25:50 BoogieIcfgContainer [2022-12-13 09:25:50,231 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 09:25:50,232 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 09:25:50,232 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 09:25:50,234 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 09:25:50,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 09:25:48" (1/3) ... [2022-12-13 09:25:50,235 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4718c38e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:25:50, skipping insertion in model container [2022-12-13 09:25:50,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:25:49" (2/3) ... [2022-12-13 09:25:50,235 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4718c38e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:25:50, skipping insertion in model container [2022-12-13 09:25:50,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:25:50" (3/3) ... [2022-12-13 09:25:50,238 INFO L112 eAbstractionObserver]: Analyzing ICFG mix040_power.oepc_pso.oepc_rmo.oepc.i [2022-12-13 09:25:50,253 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 09:25:50,253 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 09:25:50,253 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 09:25:50,302 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-13 09:25:50,337 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 143 places, 132 transitions, 284 flow [2022-12-13 09:25:50,394 INFO L130 PetriNetUnfolder]: 2/128 cut-off events. [2022-12-13 09:25:50,395 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 09:25:50,401 INFO L83 FinitePrefix]: Finished finitePrefix Result has 141 conditions, 128 events. 2/128 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 70 event pairs, 0 based on Foata normal form. 0/124 useless extension candidates. Maximal degree in co-relation 89. Up to 2 conditions per place. [2022-12-13 09:25:50,401 INFO L82 GeneralOperation]: Start removeDead. Operand has 143 places, 132 transitions, 284 flow [2022-12-13 09:25:50,407 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 139 places, 128 transitions, 268 flow [2022-12-13 09:25:50,411 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 09:25:50,434 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 139 places, 128 transitions, 268 flow [2022-12-13 09:25:50,440 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 139 places, 128 transitions, 268 flow [2022-12-13 09:25:50,477 INFO L130 PetriNetUnfolder]: 2/128 cut-off events. [2022-12-13 09:25:50,477 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 09:25:50,478 INFO L83 FinitePrefix]: Finished finitePrefix Result has 141 conditions, 128 events. 2/128 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 70 event pairs, 0 based on Foata normal form. 0/124 useless extension candidates. Maximal degree in co-relation 89. Up to 2 conditions per place. [2022-12-13 09:25:50,482 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 139 places, 128 transitions, 268 flow [2022-12-13 09:25:50,482 INFO L226 LiptonReduction]: Number of co-enabled transitions 3270 [2022-12-13 09:25:55,821 INFO L241 LiptonReduction]: Total number of compositions: 101 [2022-12-13 09:25:55,838 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 09:25:55,845 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;@3a3434aa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_CONJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 09:25:55,845 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-12-13 09:25:55,850 INFO L130 PetriNetUnfolder]: 0/3 cut-off events. [2022-12-13 09:25:55,851 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 09:25:55,851 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 09:25:55,851 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2022-12-13 09:25:55,852 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-13 09:25:55,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:25:55,855 INFO L85 PathProgramCache]: Analyzing trace with hash 592657, now seen corresponding path program 1 times [2022-12-13 09:25:55,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:25:55,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781979347] [2022-12-13 09:25:55,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:25:55,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:25:55,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:25:56,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:25:56,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:25:56,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781979347] [2022-12-13 09:25:56,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781979347] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:25:56,189 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:25:56,189 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 09:25:56,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810678395] [2022-12-13 09:25:56,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:25:56,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 09:25:56,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:25:56,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 09:25:56,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 09:25:56,222 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 84 [2022-12-13 09:25:56,224 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 84 transitions, 180 flow. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2022-12-13 09:25:56,224 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 09:25:56,224 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 84 [2022-12-13 09:25:56,224 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 09:26:04,333 INFO L130 PetriNetUnfolder]: 78140/113356 cut-off events. [2022-12-13 09:26:04,334 INFO L131 PetriNetUnfolder]: For 142/142 co-relation queries the response was YES. [2022-12-13 09:26:04,581 INFO L83 FinitePrefix]: Finished finitePrefix Result has 216370 conditions, 113356 events. 78140/113356 cut-off events. For 142/142 co-relation queries the response was YES. Maximal size of possible extension queue 5291. Compared 934591 event pairs, 11700 based on Foata normal form. 0/71018 useless extension candidates. Maximal degree in co-relation 216358. Up to 86085 conditions per place. [2022-12-13 09:26:04,706 INFO L137 encePairwiseOnDemand]: 79/84 looper letters, 50 selfloop transitions, 2 changer transitions 71/139 dead transitions. [2022-12-13 09:26:04,706 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 139 transitions, 543 flow [2022-12-13 09:26:04,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:26:04,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 09:26:04,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 178 transitions. [2022-12-13 09:26:04,716 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.7063492063492064 [2022-12-13 09:26:04,717 INFO L175 Difference]: Start difference. First operand has 96 places, 84 transitions, 180 flow. Second operand 3 states and 178 transitions. [2022-12-13 09:26:04,717 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 139 transitions, 543 flow [2022-12-13 09:26:04,722 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 139 transitions, 536 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-13 09:26:04,724 INFO L231 Difference]: Finished difference. Result has 92 places, 45 transitions, 102 flow [2022-12-13 09:26:04,725 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=84, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=102, PETRI_PLACES=92, PETRI_TRANSITIONS=45} [2022-12-13 09:26:04,728 INFO L295 CegarLoopForPetriNet]: 96 programPoint places, -4 predicate places. [2022-12-13 09:26:04,728 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 09:26:04,729 INFO L89 Accepts]: Start accepts. Operand has 92 places, 45 transitions, 102 flow [2022-12-13 09:26:04,732 INFO L95 Accepts]: Finished accepts. [2022-12-13 09:26:04,732 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 09:26:04,732 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 92 places, 45 transitions, 102 flow [2022-12-13 09:26:04,738 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 56 places, 45 transitions, 102 flow [2022-12-13 09:26:04,745 INFO L130 PetriNetUnfolder]: 0/45 cut-off events. [2022-12-13 09:26:04,746 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 09:26:04,746 INFO L83 FinitePrefix]: Finished finitePrefix Result has 57 conditions, 45 events. 0/45 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 117 event pairs, 0 based on Foata normal form. 0/29 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2022-12-13 09:26:04,749 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 45 transitions, 102 flow [2022-12-13 09:26:04,750 INFO L226 LiptonReduction]: Number of co-enabled transitions 1210 [2022-12-13 09:26:04,917 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 09:26:04,918 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 190 [2022-12-13 09:26:04,918 INFO L495 AbstractCegarLoop]: Abstraction has has 56 places, 45 transitions, 102 flow [2022-12-13 09:26:04,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2022-12-13 09:26:04,919 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 09:26:04,919 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 09:26:04,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 09:26:04,919 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-13 09:26:04,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:26:04,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1090959398, now seen corresponding path program 1 times [2022-12-13 09:26:04,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:26:04,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435632017] [2022-12-13 09:26:04,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:26:04,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:26:05,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:26:05,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:26:05,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:26:05,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435632017] [2022-12-13 09:26:05,230 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435632017] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:26:05,230 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:26:05,230 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 09:26:05,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176742853] [2022-12-13 09:26:05,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:26:05,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 09:26:05,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:26:05,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 09:26:05,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 09:26:05,232 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 45 [2022-12-13 09:26:05,232 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 45 transitions, 102 flow. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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) [2022-12-13 09:26:05,232 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 09:26:05,233 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 45 [2022-12-13 09:26:05,233 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 09:26:09,757 INFO L130 PetriNetUnfolder]: 50495/69929 cut-off events. [2022-12-13 09:26:09,757 INFO L131 PetriNetUnfolder]: For 2462/2462 co-relation queries the response was YES. [2022-12-13 09:26:10,123 INFO L83 FinitePrefix]: Finished finitePrefix Result has 140480 conditions, 69929 events. 50495/69929 cut-off events. For 2462/2462 co-relation queries the response was YES. Maximal size of possible extension queue 2324. Compared 450286 event pairs, 18031 based on Foata normal form. 0/55615 useless extension candidates. Maximal degree in co-relation 140470. Up to 38117 conditions per place. [2022-12-13 09:26:10,320 INFO L137 encePairwiseOnDemand]: 36/45 looper letters, 53 selfloop transitions, 8 changer transitions 2/74 dead transitions. [2022-12-13 09:26:10,320 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 74 transitions, 292 flow [2022-12-13 09:26:10,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:26:10,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 09:26:10,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 97 transitions. [2022-12-13 09:26:10,324 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.7185185185185186 [2022-12-13 09:26:10,324 INFO L175 Difference]: Start difference. First operand has 56 places, 45 transitions, 102 flow. Second operand 3 states and 97 transitions. [2022-12-13 09:26:10,324 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 74 transitions, 292 flow [2022-12-13 09:26:10,326 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 74 transitions, 286 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 09:26:10,327 INFO L231 Difference]: Finished difference. Result has 58 places, 51 transitions, 158 flow [2022-12-13 09:26:10,327 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=158, PETRI_PLACES=58, PETRI_TRANSITIONS=51} [2022-12-13 09:26:10,328 INFO L295 CegarLoopForPetriNet]: 96 programPoint places, -38 predicate places. [2022-12-13 09:26:10,328 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 09:26:10,328 INFO L89 Accepts]: Start accepts. Operand has 58 places, 51 transitions, 158 flow [2022-12-13 09:26:10,329 INFO L95 Accepts]: Finished accepts. [2022-12-13 09:26:10,329 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 09:26:10,329 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 51 transitions, 158 flow [2022-12-13 09:26:10,330 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 57 places, 51 transitions, 158 flow [2022-12-13 09:26:10,391 INFO L130 PetriNetUnfolder]: 276/943 cut-off events. [2022-12-13 09:26:10,391 INFO L131 PetriNetUnfolder]: For 87/118 co-relation queries the response was YES. [2022-12-13 09:26:10,393 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1603 conditions, 943 events. 276/943 cut-off events. For 87/118 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 7799 event pairs, 120 based on Foata normal form. 0/672 useless extension candidates. Maximal degree in co-relation 1594. Up to 325 conditions per place. [2022-12-13 09:26:10,400 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 57 places, 51 transitions, 158 flow [2022-12-13 09:26:10,401 INFO L226 LiptonReduction]: Number of co-enabled transitions 1422 [2022-12-13 09:26:10,459 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 09:26:10,462 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 133 [2022-12-13 09:26:10,464 INFO L495 AbstractCegarLoop]: Abstraction has has 57 places, 51 transitions, 158 flow [2022-12-13 09:26:10,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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) [2022-12-13 09:26:10,465 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 09:26:10,466 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 09:26:10,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 09:26:10,466 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-13 09:26:10,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:26:10,467 INFO L85 PathProgramCache]: Analyzing trace with hash 539995494, now seen corresponding path program 1 times [2022-12-13 09:26:10,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:26:10,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660276562] [2022-12-13 09:26:10,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:26:10,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:26:10,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:26:10,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:26:10,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:26:10,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660276562] [2022-12-13 09:26:10,634 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660276562] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:26:10,634 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:26:10,634 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 09:26:10,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980882129] [2022-12-13 09:26:10,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:26:10,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 09:26:10,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:26:10,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 09:26:10,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 09:26:10,636 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 44 [2022-12-13 09:26:10,636 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 51 transitions, 158 flow. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 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) [2022-12-13 09:26:10,636 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 09:26:10,636 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 44 [2022-12-13 09:26:10,636 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 09:26:14,043 INFO L130 PetriNetUnfolder]: 39136/55199 cut-off events. [2022-12-13 09:26:14,043 INFO L131 PetriNetUnfolder]: For 18407/18407 co-relation queries the response was YES. [2022-12-13 09:26:14,178 INFO L83 FinitePrefix]: Finished finitePrefix Result has 129647 conditions, 55199 events. 39136/55199 cut-off events. For 18407/18407 co-relation queries the response was YES. Maximal size of possible extension queue 1924. Compared 367274 event pairs, 2492 based on Foata normal form. 78/45180 useless extension candidates. Maximal degree in co-relation 129635. Up to 29069 conditions per place. [2022-12-13 09:26:14,360 INFO L137 encePairwiseOnDemand]: 35/44 looper letters, 74 selfloop transitions, 12 changer transitions 0/97 dead transitions. [2022-12-13 09:26:14,361 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 97 transitions, 464 flow [2022-12-13 09:26:14,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 09:26:14,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-13 09:26:14,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 125 transitions. [2022-12-13 09:26:14,363 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.7102272727272727 [2022-12-13 09:26:14,363 INFO L175 Difference]: Start difference. First operand has 57 places, 51 transitions, 158 flow. Second operand 4 states and 125 transitions. [2022-12-13 09:26:14,363 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 97 transitions, 464 flow [2022-12-13 09:26:14,423 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 97 transitions, 436 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 09:26:14,424 INFO L231 Difference]: Finished difference. Result has 61 places, 59 transitions, 236 flow [2022-12-13 09:26:14,425 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=142, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=236, PETRI_PLACES=61, PETRI_TRANSITIONS=59} [2022-12-13 09:26:14,426 INFO L295 CegarLoopForPetriNet]: 96 programPoint places, -35 predicate places. [2022-12-13 09:26:14,426 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 09:26:14,426 INFO L89 Accepts]: Start accepts. Operand has 61 places, 59 transitions, 236 flow [2022-12-13 09:26:14,427 INFO L95 Accepts]: Finished accepts. [2022-12-13 09:26:14,427 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 09:26:14,427 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 61 places, 59 transitions, 236 flow [2022-12-13 09:26:14,428 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 61 places, 59 transitions, 236 flow [2022-12-13 09:26:14,475 INFO L130 PetriNetUnfolder]: 231/811 cut-off events. [2022-12-13 09:26:14,475 INFO L131 PetriNetUnfolder]: For 372/486 co-relation queries the response was YES. [2022-12-13 09:26:14,477 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1626 conditions, 811 events. 231/811 cut-off events. For 372/486 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 6515 event pairs, 79 based on Foata normal form. 0/579 useless extension candidates. Maximal degree in co-relation 1614. Up to 278 conditions per place. [2022-12-13 09:26:14,483 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 61 places, 59 transitions, 236 flow [2022-12-13 09:26:14,483 INFO L226 LiptonReduction]: Number of co-enabled transitions 1662 [2022-12-13 09:26:14,499 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 09:26:14,502 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 76 [2022-12-13 09:26:14,503 INFO L495 AbstractCegarLoop]: Abstraction has has 61 places, 59 transitions, 236 flow [2022-12-13 09:26:14,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 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) [2022-12-13 09:26:14,503 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 09:26:14,503 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 09:26:14,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 09:26:14,503 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-13 09:26:14,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:26:14,504 INFO L85 PathProgramCache]: Analyzing trace with hash 539997974, now seen corresponding path program 1 times [2022-12-13 09:26:14,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:26:14,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777932853] [2022-12-13 09:26:14,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:26:14,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:26:14,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:26:14,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:26:14,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:26:14,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777932853] [2022-12-13 09:26:14,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777932853] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:26:14,652 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:26:14,652 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 09:26:14,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797783359] [2022-12-13 09:26:14,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:26:14,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 09:26:14,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:26:14,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 09:26:14,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 09:26:14,654 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 44 [2022-12-13 09:26:14,654 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 59 transitions, 236 flow. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 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) [2022-12-13 09:26:14,654 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 09:26:14,654 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 44 [2022-12-13 09:26:14,655 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 09:26:18,357 INFO L130 PetriNetUnfolder]: 38454/54354 cut-off events. [2022-12-13 09:26:18,357 INFO L131 PetriNetUnfolder]: For 38613/38613 co-relation queries the response was YES. [2022-12-13 09:26:18,526 INFO L83 FinitePrefix]: Finished finitePrefix Result has 136657 conditions, 54354 events. 38454/54354 cut-off events. For 38613/38613 co-relation queries the response was YES. Maximal size of possible extension queue 1876. Compared 357962 event pairs, 7463 based on Foata normal form. 80/44485 useless extension candidates. Maximal degree in co-relation 136642. Up to 28490 conditions per place. [2022-12-13 09:26:18,692 INFO L137 encePairwiseOnDemand]: 35/44 looper letters, 78 selfloop transitions, 19 changer transitions 0/108 dead transitions. [2022-12-13 09:26:18,693 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 108 transitions, 578 flow [2022-12-13 09:26:18,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 09:26:18,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-13 09:26:18,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 129 transitions. [2022-12-13 09:26:18,694 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.7329545454545454 [2022-12-13 09:26:18,694 INFO L175 Difference]: Start difference. First operand has 61 places, 59 transitions, 236 flow. Second operand 4 states and 129 transitions. [2022-12-13 09:26:18,694 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 108 transitions, 578 flow [2022-12-13 09:26:18,787 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 108 transitions, 578 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 09:26:18,788 INFO L231 Difference]: Finished difference. Result has 66 places, 66 transitions, 348 flow [2022-12-13 09:26:18,788 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=236, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=348, PETRI_PLACES=66, PETRI_TRANSITIONS=66} [2022-12-13 09:26:18,790 INFO L295 CegarLoopForPetriNet]: 96 programPoint places, -30 predicate places. [2022-12-13 09:26:18,790 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 09:26:18,790 INFO L89 Accepts]: Start accepts. Operand has 66 places, 66 transitions, 348 flow [2022-12-13 09:26:18,791 INFO L95 Accepts]: Finished accepts. [2022-12-13 09:26:18,791 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 09:26:18,791 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 66 places, 66 transitions, 348 flow [2022-12-13 09:26:18,791 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 66 places, 66 transitions, 348 flow [2022-12-13 09:26:18,831 INFO L130 PetriNetUnfolder]: 205/737 cut-off events. [2022-12-13 09:26:18,832 INFO L131 PetriNetUnfolder]: For 849/1114 co-relation queries the response was YES. [2022-12-13 09:26:18,833 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1798 conditions, 737 events. 205/737 cut-off events. For 849/1114 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 5836 event pairs, 55 based on Foata normal form. 0/528 useless extension candidates. Maximal degree in co-relation 1782. Up to 246 conditions per place. [2022-12-13 09:26:18,839 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 66 places, 66 transitions, 348 flow [2022-12-13 09:26:18,839 INFO L226 LiptonReduction]: Number of co-enabled transitions 1830 [2022-12-13 09:26:18,849 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 09:26:18,850 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 60 [2022-12-13 09:26:18,850 INFO L495 AbstractCegarLoop]: Abstraction has has 66 places, 66 transitions, 348 flow [2022-12-13 09:26:18,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 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) [2022-12-13 09:26:18,850 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 09:26:18,850 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 09:26:18,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 09:26:18,851 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-13 09:26:18,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:26:18,851 INFO L85 PathProgramCache]: Analyzing trace with hash -440007926, now seen corresponding path program 1 times [2022-12-13 09:26:18,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:26:18,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038129092] [2022-12-13 09:26:18,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:26:18,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:26:18,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:26:18,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:26:18,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:26:18,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038129092] [2022-12-13 09:26:18,963 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038129092] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:26:18,963 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:26:18,963 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 09:26:18,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558720138] [2022-12-13 09:26:18,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:26:18,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 09:26:18,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:26:18,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 09:26:18,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 09:26:18,966 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 44 [2022-12-13 09:26:18,966 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 66 transitions, 348 flow. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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) [2022-12-13 09:26:18,966 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 09:26:18,966 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 44 [2022-12-13 09:26:18,966 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 09:26:22,448 INFO L130 PetriNetUnfolder]: 35685/49790 cut-off events. [2022-12-13 09:26:22,449 INFO L131 PetriNetUnfolder]: For 74491/74491 co-relation queries the response was YES. [2022-12-13 09:26:22,601 INFO L83 FinitePrefix]: Finished finitePrefix Result has 138690 conditions, 49790 events. 35685/49790 cut-off events. For 74491/74491 co-relation queries the response was YES. Maximal size of possible extension queue 1570. Compared 303315 event pairs, 10680 based on Foata normal form. 510/41192 useless extension candidates. Maximal degree in co-relation 138671. Up to 19026 conditions per place. [2022-12-13 09:26:22,784 INFO L137 encePairwiseOnDemand]: 35/44 looper letters, 80 selfloop transitions, 18 changer transitions 1/110 dead transitions. [2022-12-13 09:26:22,785 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 110 transitions, 752 flow [2022-12-13 09:26:22,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 09:26:22,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-13 09:26:22,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 116 transitions. [2022-12-13 09:26:22,786 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.6590909090909091 [2022-12-13 09:26:22,786 INFO L175 Difference]: Start difference. First operand has 66 places, 66 transitions, 348 flow. Second operand 4 states and 116 transitions. [2022-12-13 09:26:22,786 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 110 transitions, 752 flow [2022-12-13 09:26:22,893 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 110 transitions, 752 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 09:26:22,896 INFO L231 Difference]: Finished difference. Result has 72 places, 75 transitions, 547 flow [2022-12-13 09:26:22,897 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=348, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=547, PETRI_PLACES=72, PETRI_TRANSITIONS=75} [2022-12-13 09:26:22,898 INFO L295 CegarLoopForPetriNet]: 96 programPoint places, -24 predicate places. [2022-12-13 09:26:22,898 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 09:26:22,898 INFO L89 Accepts]: Start accepts. Operand has 72 places, 75 transitions, 547 flow [2022-12-13 09:26:22,899 INFO L95 Accepts]: Finished accepts. [2022-12-13 09:26:22,899 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 09:26:22,899 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 75 transitions, 547 flow [2022-12-13 09:26:22,899 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 71 places, 75 transitions, 547 flow [2022-12-13 09:26:22,935 INFO L130 PetriNetUnfolder]: 173/636 cut-off events. [2022-12-13 09:26:22,935 INFO L131 PetriNetUnfolder]: For 1434/1759 co-relation queries the response was YES. [2022-12-13 09:26:22,937 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1864 conditions, 636 events. 173/636 cut-off events. For 1434/1759 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 4727 event pairs, 36 based on Foata normal form. 1/461 useless extension candidates. Maximal degree in co-relation 1843. Up to 210 conditions per place. [2022-12-13 09:26:22,942 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 71 places, 75 transitions, 547 flow [2022-12-13 09:26:22,942 INFO L226 LiptonReduction]: Number of co-enabled transitions 1946 [2022-12-13 09:26:22,948 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 09:26:22,949 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 51 [2022-12-13 09:26:22,949 INFO L495 AbstractCegarLoop]: Abstraction has has 71 places, 75 transitions, 547 flow [2022-12-13 09:26:22,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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) [2022-12-13 09:26:22,950 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 09:26:22,950 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 09:26:22,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 09:26:22,950 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-13 09:26:22,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:26:22,950 INFO L85 PathProgramCache]: Analyzing trace with hash -836274928, now seen corresponding path program 1 times [2022-12-13 09:26:22,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:26:22,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604944028] [2022-12-13 09:26:22,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:26:22,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:26:22,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:26:23,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:26:23,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:26:23,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604944028] [2022-12-13 09:26:23,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604944028] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:26:23,024 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:26:23,024 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 09:26:23,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52015401] [2022-12-13 09:26:23,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:26:23,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 09:26:23,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:26:23,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 09:26:23,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 09:26:23,026 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 43 [2022-12-13 09:26:23,026 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 75 transitions, 547 flow. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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) [2022-12-13 09:26:23,026 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 09:26:23,026 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 43 [2022-12-13 09:26:23,026 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 09:26:27,474 INFO L130 PetriNetUnfolder]: 38970/57231 cut-off events. [2022-12-13 09:26:27,474 INFO L131 PetriNetUnfolder]: For 96776/98194 co-relation queries the response was YES. [2022-12-13 09:26:27,699 INFO L83 FinitePrefix]: Finished finitePrefix Result has 149571 conditions, 57231 events. 38970/57231 cut-off events. For 96776/98194 co-relation queries the response was YES. Maximal size of possible extension queue 2322. Compared 416674 event pairs, 16124 based on Foata normal form. 1281/46528 useless extension candidates. Maximal degree in co-relation 149547. Up to 27635 conditions per place. [2022-12-13 09:26:27,824 INFO L137 encePairwiseOnDemand]: 40/43 looper letters, 61 selfloop transitions, 8 changer transitions 1/97 dead transitions. [2022-12-13 09:26:27,839 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 97 transitions, 750 flow [2022-12-13 09:26:27,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:26:27,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 09:26:27,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 94 transitions. [2022-12-13 09:26:27,840 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.7286821705426356 [2022-12-13 09:26:27,840 INFO L175 Difference]: Start difference. First operand has 71 places, 75 transitions, 547 flow. Second operand 3 states and 94 transitions. [2022-12-13 09:26:27,840 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 97 transitions, 750 flow [2022-12-13 09:26:27,983 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 97 transitions, 745 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 09:26:27,984 INFO L231 Difference]: Finished difference. Result has 73 places, 74 transitions, 555 flow [2022-12-13 09:26:27,984 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=542, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=555, PETRI_PLACES=73, PETRI_TRANSITIONS=74} [2022-12-13 09:26:27,985 INFO L295 CegarLoopForPetriNet]: 96 programPoint places, -23 predicate places. [2022-12-13 09:26:27,985 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 09:26:27,985 INFO L89 Accepts]: Start accepts. Operand has 73 places, 74 transitions, 555 flow [2022-12-13 09:26:27,986 INFO L95 Accepts]: Finished accepts. [2022-12-13 09:26:27,986 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 09:26:27,986 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 73 places, 74 transitions, 555 flow [2022-12-13 09:26:27,987 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 73 places, 74 transitions, 555 flow [2022-12-13 09:26:28,027 INFO L130 PetriNetUnfolder]: 161/716 cut-off events. [2022-12-13 09:26:28,027 INFO L131 PetriNetUnfolder]: For 1696/1935 co-relation queries the response was YES. [2022-12-13 09:26:28,029 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2042 conditions, 716 events. 161/716 cut-off events. For 1696/1935 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 5847 event pairs, 40 based on Foata normal form. 1/504 useless extension candidates. Maximal degree in co-relation 2020. Up to 216 conditions per place. [2022-12-13 09:26:28,033 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 73 places, 74 transitions, 555 flow [2022-12-13 09:26:28,033 INFO L226 LiptonReduction]: Number of co-enabled transitions 1904 [2022-12-13 09:26:28,102 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 09:26:28,103 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 118 [2022-12-13 09:26:28,103 INFO L495 AbstractCegarLoop]: Abstraction has has 73 places, 74 transitions, 555 flow [2022-12-13 09:26:28,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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) [2022-12-13 09:26:28,103 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 09:26:28,103 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 09:26:28,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 09:26:28,103 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-13 09:26:28,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:26:28,103 INFO L85 PathProgramCache]: Analyzing trace with hash 1409485201, now seen corresponding path program 1 times [2022-12-13 09:26:28,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:26:28,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121422238] [2022-12-13 09:26:28,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:26:28,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:26:28,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:26:28,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:26:28,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:26:28,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121422238] [2022-12-13 09:26:28,198 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121422238] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:26:28,198 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:26:28,198 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 09:26:28,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540229755] [2022-12-13 09:26:28,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:26:28,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 09:26:28,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:26:28,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 09:26:28,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 09:26:28,199 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 43 [2022-12-13 09:26:28,199 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 74 transitions, 555 flow. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 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) [2022-12-13 09:26:28,199 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 09:26:28,199 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 43 [2022-12-13 09:26:28,199 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 09:26:34,770 INFO L130 PetriNetUnfolder]: 57754/85339 cut-off events. [2022-12-13 09:26:34,770 INFO L131 PetriNetUnfolder]: For 148273/150560 co-relation queries the response was YES. [2022-12-13 09:26:35,100 INFO L83 FinitePrefix]: Finished finitePrefix Result has 225523 conditions, 85339 events. 57754/85339 cut-off events. For 148273/150560 co-relation queries the response was YES. Maximal size of possible extension queue 3907. Compared 659092 event pairs, 11364 based on Foata normal form. 1949/69500 useless extension candidates. Maximal degree in co-relation 225498. Up to 38841 conditions per place. [2022-12-13 09:26:35,256 INFO L137 encePairwiseOnDemand]: 40/43 looper letters, 80 selfloop transitions, 3 changer transitions 6/118 dead transitions. [2022-12-13 09:26:35,257 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 118 transitions, 957 flow [2022-12-13 09:26:35,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 09:26:35,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-13 09:26:35,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 118 transitions. [2022-12-13 09:26:35,258 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.686046511627907 [2022-12-13 09:26:35,258 INFO L175 Difference]: Start difference. First operand has 73 places, 74 transitions, 555 flow. Second operand 4 states and 118 transitions. [2022-12-13 09:26:35,258 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 118 transitions, 957 flow [2022-12-13 09:26:35,453 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 118 transitions, 946 flow, removed 1 selfloop flow, removed 1 redundant places. [2022-12-13 09:26:35,455 INFO L231 Difference]: Finished difference. Result has 77 places, 75 transitions, 566 flow [2022-12-13 09:26:35,455 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=545, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=566, PETRI_PLACES=77, PETRI_TRANSITIONS=75} [2022-12-13 09:26:35,455 INFO L295 CegarLoopForPetriNet]: 96 programPoint places, -19 predicate places. [2022-12-13 09:26:35,455 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 09:26:35,455 INFO L89 Accepts]: Start accepts. Operand has 77 places, 75 transitions, 566 flow [2022-12-13 09:26:35,456 INFO L95 Accepts]: Finished accepts. [2022-12-13 09:26:35,456 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 09:26:35,456 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 75 transitions, 566 flow [2022-12-13 09:26:35,457 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 77 places, 75 transitions, 566 flow [2022-12-13 09:26:35,522 INFO L130 PetriNetUnfolder]: 186/979 cut-off events. [2022-12-13 09:26:35,522 INFO L131 PetriNetUnfolder]: For 2243/2517 co-relation queries the response was YES. [2022-12-13 09:26:35,525 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2768 conditions, 979 events. 186/979 cut-off events. For 2243/2517 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 9156 event pairs, 35 based on Foata normal form. 7/683 useless extension candidates. Maximal degree in co-relation 2744. Up to 264 conditions per place. [2022-12-13 09:26:35,533 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 75 transitions, 566 flow [2022-12-13 09:26:35,533 INFO L226 LiptonReduction]: Number of co-enabled transitions 1928 [2022-12-13 09:26:35,588 INFO L241 LiptonReduction]: Total number of compositions: 1 [2022-12-13 09:26:35,589 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 134 [2022-12-13 09:26:35,589 INFO L495 AbstractCegarLoop]: Abstraction has has 77 places, 75 transitions, 572 flow [2022-12-13 09:26:35,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 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) [2022-12-13 09:26:35,590 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 09:26:35,590 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 09:26:35,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 09:26:35,590 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-13 09:26:35,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:26:35,590 INFO L85 PathProgramCache]: Analyzing trace with hash 1607812015, now seen corresponding path program 1 times [2022-12-13 09:26:35,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:26:35,590 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367463920] [2022-12-13 09:26:35,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:26:35,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:26:35,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:26:35,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:26:35,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:26:35,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367463920] [2022-12-13 09:26:35,735 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367463920] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:26:35,735 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:26:35,735 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 09:26:35,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011332991] [2022-12-13 09:26:35,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:26:35,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 09:26:35,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:26:35,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 09:26:35,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 09:26:35,736 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 45 [2022-12-13 09:26:35,736 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 75 transitions, 572 flow. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 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) [2022-12-13 09:26:35,736 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 09:26:35,736 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 45 [2022-12-13 09:26:35,736 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 09:26:49,092 INFO L130 PetriNetUnfolder]: 128774/181025 cut-off events. [2022-12-13 09:26:49,092 INFO L131 PetriNetUnfolder]: For 217784/225128 co-relation queries the response was YES. [2022-12-13 09:26:49,736 INFO L83 FinitePrefix]: Finished finitePrefix Result has 442693 conditions, 181025 events. 128774/181025 cut-off events. For 217784/225128 co-relation queries the response was YES. Maximal size of possible extension queue 8388. Compared 1391576 event pairs, 39405 based on Foata normal form. 14083/127870 useless extension candidates. Maximal degree in co-relation 442666. Up to 141127 conditions per place. [2022-12-13 09:26:50,041 INFO L137 encePairwiseOnDemand]: 30/45 looper letters, 132 selfloop transitions, 26 changer transitions 2/187 dead transitions. [2022-12-13 09:26:50,041 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 187 transitions, 1620 flow [2022-12-13 09:26:50,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:26:50,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-13 09:26:50,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 165 transitions. [2022-12-13 09:26:50,042 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.7333333333333333 [2022-12-13 09:26:50,042 INFO L175 Difference]: Start difference. First operand has 77 places, 75 transitions, 572 flow. Second operand 5 states and 165 transitions. [2022-12-13 09:26:50,042 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 187 transitions, 1620 flow [2022-12-13 09:26:50,170 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 187 transitions, 1610 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 09:26:50,172 INFO L231 Difference]: Finished difference. Result has 83 places, 100 transitions, 764 flow [2022-12-13 09:26:50,172 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=569, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=764, PETRI_PLACES=83, PETRI_TRANSITIONS=100} [2022-12-13 09:26:50,173 INFO L295 CegarLoopForPetriNet]: 96 programPoint places, -13 predicate places. [2022-12-13 09:26:50,173 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 09:26:50,173 INFO L89 Accepts]: Start accepts. Operand has 83 places, 100 transitions, 764 flow [2022-12-13 09:26:50,174 INFO L95 Accepts]: Finished accepts. [2022-12-13 09:26:50,174 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 09:26:50,174 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 100 transitions, 764 flow [2022-12-13 09:26:50,174 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 83 places, 100 transitions, 764 flow [2022-12-13 09:26:54,133 INFO L130 PetriNetUnfolder]: 35497/54064 cut-off events. [2022-12-13 09:26:54,133 INFO L131 PetriNetUnfolder]: For 29465/49764 co-relation queries the response was YES. [2022-12-13 09:26:54,378 INFO L83 FinitePrefix]: Finished finitePrefix Result has 162435 conditions, 54064 events. 35497/54064 cut-off events. For 29465/49764 co-relation queries the response was YES. Maximal size of possible extension queue 7629. Compared 516098 event pairs, 20589 based on Foata normal form. 61/22821 useless extension candidates. Maximal degree in co-relation 162407. Up to 47735 conditions per place. [2022-12-13 09:26:54,826 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 83 places, 100 transitions, 764 flow [2022-12-13 09:26:54,826 INFO L226 LiptonReduction]: Number of co-enabled transitions 3164 [2022-12-13 09:26:55,691 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [557] L876-3-->L880: Formula: (and (= (mod v_~main$tmp_guard0~0_48 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_27|) (= v_~main$tmp_guard0~0_48 (ite (= (ite (= v_~__unbuffered_cnt~0_271 4) 1 0) 0) 0 1))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_271} OutVars{ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_49|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_271, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_48, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_21|, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_27|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre11#1, ~main$tmp_guard0~0, ULTIMATE.start_main_#t~nondet12#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] and [398] L813-->L816: Formula: (= (+ v_~__unbuffered_cnt~0_6 1) v_~__unbuffered_cnt~0_5) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_6} OutVars{~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_5} AuxVars[] AssignedVars[~__unbuffered_cnt~0] [2022-12-13 09:26:55,707 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [557] L876-3-->L880: Formula: (and (= (mod v_~main$tmp_guard0~0_48 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_27|) (= v_~main$tmp_guard0~0_48 (ite (= (ite (= v_~__unbuffered_cnt~0_271 4) 1 0) 0) 0 1))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_271} OutVars{ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_49|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_271, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_48, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_21|, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_27|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre11#1, ~main$tmp_guard0~0, ULTIMATE.start_main_#t~nondet12#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] and [530] L773-->P0FINAL: Formula: (and (= |v_P0Thread1of1ForFork0_#res#1.base_7| 0) (= |v_P0Thread1of1ForFork0_#res#1.offset_7| 0) (= v_~__unbuffered_cnt~0_213 (+ v_~__unbuffered_cnt~0_214 1))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_214} OutVars{P0Thread1of1ForFork0_#res#1.offset=|v_P0Thread1of1ForFork0_#res#1.offset_7|, P0Thread1of1ForFork0_#res#1.base=|v_P0Thread1of1ForFork0_#res#1.base_7|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_213} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#res#1.offset, P0Thread1of1ForFork0_#res#1.base, ~__unbuffered_cnt~0] [2022-12-13 09:26:55,751 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [557] L876-3-->L880: Formula: (and (= (mod v_~main$tmp_guard0~0_48 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_27|) (= v_~main$tmp_guard0~0_48 (ite (= (ite (= v_~__unbuffered_cnt~0_271 4) 1 0) 0) 0 1))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_271} OutVars{ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_49|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_271, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_48, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_21|, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_27|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre11#1, ~main$tmp_guard0~0, ULTIMATE.start_main_#t~nondet12#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] and [521] L813-->P2EXIT: Formula: (and (= |v_P2Thread1of1ForFork3_#res.offset_13| 0) (= |v_P2Thread1of1ForFork3_#res.base_13| 0) (= v_~__unbuffered_cnt~0_179 (+ v_~__unbuffered_cnt~0_180 1))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_180} OutVars{~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_179, P2Thread1of1ForFork3_#res.base=|v_P2Thread1of1ForFork3_#res.base_13|, P2Thread1of1ForFork3_#res.offset=|v_P2Thread1of1ForFork3_#res.offset_13|} AuxVars[] AssignedVars[~__unbuffered_cnt~0, P2Thread1of1ForFork3_#res.base, P2Thread1of1ForFork3_#res.offset] [2022-12-13 09:26:55,778 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [557] L876-3-->L880: Formula: (and (= (mod v_~main$tmp_guard0~0_48 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_27|) (= v_~main$tmp_guard0~0_48 (ite (= (ite (= v_~__unbuffered_cnt~0_271 4) 1 0) 0) 0 1))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_271} OutVars{ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_49|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_271, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_48, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_21|, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_27|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre11#1, ~main$tmp_guard0~0, ULTIMATE.start_main_#t~nondet12#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] and [531] L773-->P0EXIT: Formula: (and (= v_~__unbuffered_cnt~0_217 (+ v_~__unbuffered_cnt~0_218 1)) (= |v_P0Thread1of1ForFork0_#res#1.base_9| 0) (= |v_P0Thread1of1ForFork0_#res#1.offset_9| 0)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_218} OutVars{P0Thread1of1ForFork0_#res#1.offset=|v_P0Thread1of1ForFork0_#res#1.offset_9|, P0Thread1of1ForFork0_#res#1.base=|v_P0Thread1of1ForFork0_#res#1.base_9|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_217} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#res#1.offset, P0Thread1of1ForFork0_#res#1.base, ~__unbuffered_cnt~0] [2022-12-13 09:26:55,805 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [557] L876-3-->L880: Formula: (and (= (mod v_~main$tmp_guard0~0_48 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_27|) (= v_~main$tmp_guard0~0_48 (ite (= (ite (= v_~__unbuffered_cnt~0_271 4) 1 0) 0) 0 1))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_271} OutVars{ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_49|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_271, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_48, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_21|, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_27|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre11#1, ~main$tmp_guard0~0, ULTIMATE.start_main_#t~nondet12#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] and [407] L852-->L855: Formula: (= (+ v_~__unbuffered_cnt~0_8 1) v_~__unbuffered_cnt~0_7) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_8} OutVars{~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_7} AuxVars[] AssignedVars[~__unbuffered_cnt~0] [2022-12-13 09:26:55,821 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [557] L876-3-->L880: Formula: (and (= (mod v_~main$tmp_guard0~0_48 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_27|) (= v_~main$tmp_guard0~0_48 (ite (= (ite (= v_~__unbuffered_cnt~0_271 4) 1 0) 0) 0 1))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_271} OutVars{ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_49|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_271, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_48, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_21|, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_27|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre11#1, ~main$tmp_guard0~0, ULTIMATE.start_main_#t~nondet12#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] and [391] L793-->L796: Formula: (= v_~__unbuffered_cnt~0_3 (+ v_~__unbuffered_cnt~0_4 1)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_4} OutVars{~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_3} AuxVars[] AssignedVars[~__unbuffered_cnt~0] [2022-12-13 09:26:55,836 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [557] L876-3-->L880: Formula: (and (= (mod v_~main$tmp_guard0~0_48 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_27|) (= v_~main$tmp_guard0~0_48 (ite (= (ite (= v_~__unbuffered_cnt~0_271 4) 1 0) 0) 0 1))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_271} OutVars{ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_49|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_271, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_48, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_21|, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_27|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre11#1, ~main$tmp_guard0~0, ULTIMATE.start_main_#t~nondet12#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] and [427] L852-->P3FINAL: Formula: (and (= |v_P3Thread1of1ForFork1_#res.offset_5| 0) (= |v_P3Thread1of1ForFork1_#res.base_5| 0) (= (+ v_~__unbuffered_cnt~0_36 1) v_~__unbuffered_cnt~0_35)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_36} OutVars{P3Thread1of1ForFork1_#res.base=|v_P3Thread1of1ForFork1_#res.base_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_35, P3Thread1of1ForFork1_#res.offset=|v_P3Thread1of1ForFork1_#res.offset_5|} AuxVars[] AssignedVars[P3Thread1of1ForFork1_#res.base, ~__unbuffered_cnt~0, P3Thread1of1ForFork1_#res.offset] [2022-12-13 09:26:55,860 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [557] L876-3-->L880: Formula: (and (= (mod v_~main$tmp_guard0~0_48 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_27|) (= v_~main$tmp_guard0~0_48 (ite (= (ite (= v_~__unbuffered_cnt~0_271 4) 1 0) 0) 0 1))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_271} OutVars{ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_49|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_271, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_48, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_21|, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_27|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre11#1, ~main$tmp_guard0~0, ULTIMATE.start_main_#t~nondet12#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] and [424] L793-->P1FINAL: Formula: (and (= v_~__unbuffered_cnt~0_15 (+ v_~__unbuffered_cnt~0_16 1)) (= |v_P1Thread1of1ForFork2_#res.base_5| 0) (= |v_P1Thread1of1ForFork2_#res.offset_5| 0)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_16} OutVars{P1Thread1of1ForFork2_#res.offset=|v_P1Thread1of1ForFork2_#res.offset_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_15, P1Thread1of1ForFork2_#res.base=|v_P1Thread1of1ForFork2_#res.base_5|} AuxVars[] AssignedVars[P1Thread1of1ForFork2_#res.offset, ~__unbuffered_cnt~0, P1Thread1of1ForFork2_#res.base] [2022-12-13 09:26:55,885 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [557] L876-3-->L880: Formula: (and (= (mod v_~main$tmp_guard0~0_48 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_27|) (= v_~main$tmp_guard0~0_48 (ite (= (ite (= v_~__unbuffered_cnt~0_271 4) 1 0) 0) 0 1))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_271} OutVars{ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_49|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_271, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_48, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_21|, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_27|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre11#1, ~main$tmp_guard0~0, ULTIMATE.start_main_#t~nondet12#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] and [458] L852-->P3EXIT: Formula: (and (= |v_P3Thread1of1ForFork1_#res.base_13| 0) (= |v_P3Thread1of1ForFork1_#res.offset_13| 0) (= (+ v_~__unbuffered_cnt~0_76 1) v_~__unbuffered_cnt~0_75)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_76} OutVars{P3Thread1of1ForFork1_#res.base=|v_P3Thread1of1ForFork1_#res.base_13|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_75, P3Thread1of1ForFork1_#res.offset=|v_P3Thread1of1ForFork1_#res.offset_13|} AuxVars[] AssignedVars[P3Thread1of1ForFork1_#res.base, ~__unbuffered_cnt~0, P3Thread1of1ForFork1_#res.offset] [2022-12-13 09:26:55,910 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [557] L876-3-->L880: Formula: (and (= (mod v_~main$tmp_guard0~0_48 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_27|) (= v_~main$tmp_guard0~0_48 (ite (= (ite (= v_~__unbuffered_cnt~0_271 4) 1 0) 0) 0 1))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_271} OutVars{ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_49|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_271, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_48, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_21|, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_27|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre11#1, ~main$tmp_guard0~0, ULTIMATE.start_main_#t~nondet12#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] and [441] L793-->P1EXIT: Formula: (and (= v_~__unbuffered_cnt~0_61 (+ v_~__unbuffered_cnt~0_62 1)) (= |v_P1Thread1of1ForFork2_#res.base_15| 0) (= 0 |v_P1Thread1of1ForFork2_#res.offset_15|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_62} OutVars{P1Thread1of1ForFork2_#res.offset=|v_P1Thread1of1ForFork2_#res.offset_15|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_61, P1Thread1of1ForFork2_#res.base=|v_P1Thread1of1ForFork2_#res.base_15|} AuxVars[] AssignedVars[P1Thread1of1ForFork2_#res.offset, ~__unbuffered_cnt~0, P1Thread1of1ForFork2_#res.base] [2022-12-13 09:26:55,933 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [557] L876-3-->L880: Formula: (and (= (mod v_~main$tmp_guard0~0_48 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_27|) (= v_~main$tmp_guard0~0_48 (ite (= (ite (= v_~__unbuffered_cnt~0_271 4) 1 0) 0) 0 1))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_271} OutVars{ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_49|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_271, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_48, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_21|, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_27|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre11#1, ~main$tmp_guard0~0, ULTIMATE.start_main_#t~nondet12#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] and [459] L813-->P2FINAL: Formula: (and (= |v_P2Thread1of1ForFork3_#res.base_5| 0) (= |v_P2Thread1of1ForFork3_#res.offset_5| 0) (= (+ v_~__unbuffered_cnt~0_96 1) v_~__unbuffered_cnt~0_95)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_96} OutVars{~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_95, P2Thread1of1ForFork3_#res.base=|v_P2Thread1of1ForFork3_#res.base_5|, P2Thread1of1ForFork3_#res.offset=|v_P2Thread1of1ForFork3_#res.offset_5|} AuxVars[] AssignedVars[~__unbuffered_cnt~0, P2Thread1of1ForFork3_#res.base, P2Thread1of1ForFork3_#res.offset] [2022-12-13 09:26:55,957 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [557] L876-3-->L880: Formula: (and (= (mod v_~main$tmp_guard0~0_48 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_27|) (= v_~main$tmp_guard0~0_48 (ite (= (ite (= v_~__unbuffered_cnt~0_271 4) 1 0) 0) 0 1))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_271} OutVars{ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_49|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_271, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_48, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_21|, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_27|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre11#1, ~main$tmp_guard0~0, ULTIMATE.start_main_#t~nondet12#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] and [384] L773-->L776: Formula: (= v_~__unbuffered_cnt~0_1 (+ v_~__unbuffered_cnt~0_2 1)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_2} OutVars{~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_1} AuxVars[] AssignedVars[~__unbuffered_cnt~0] [2022-12-13 09:26:58,641 INFO L241 LiptonReduction]: Total number of compositions: 1 [2022-12-13 09:26:58,643 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 8470 [2022-12-13 09:26:58,643 INFO L495 AbstractCegarLoop]: Abstraction has has 82 places, 99 transitions, 806 flow [2022-12-13 09:26:58,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 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) [2022-12-13 09:26:58,643 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 09:26:58,643 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 09:26:58,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 09:26:58,644 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-13 09:26:58,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:26:58,644 INFO L85 PathProgramCache]: Analyzing trace with hash 1858394785, now seen corresponding path program 1 times [2022-12-13 09:26:58,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:26:58,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952105860] [2022-12-13 09:26:58,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:26:58,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:26:58,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:26:58,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:26:58,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:26:58,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952105860] [2022-12-13 09:26:58,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952105860] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:26:58,738 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:26:58,738 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 09:26:58,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177362254] [2022-12-13 09:26:58,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:26:58,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 09:26:58,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:26:58,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 09:26:58,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 09:26:58,739 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 57 [2022-12-13 09:26:58,739 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 99 transitions, 806 flow. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 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) [2022-12-13 09:26:58,739 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 09:26:58,739 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 57 [2022-12-13 09:26:58,739 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand