/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-RepeatedSemanticLbeWithDisjunctivePredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix033_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 06:23:59,543 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 06:23:59,544 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 06:23:59,576 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 06:23:59,578 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 06:23:59,579 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 06:23:59,579 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 06:23:59,580 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 06:23:59,581 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 06:23:59,582 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 06:23:59,582 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 06:23:59,583 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 06:23:59,583 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 06:23:59,584 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 06:23:59,585 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 06:23:59,588 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 06:23:59,588 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 06:23:59,591 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 06:23:59,593 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 06:23:59,594 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 06:23:59,594 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 06:23:59,597 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 06:23:59,598 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 06:23:59,598 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 06:23:59,604 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 06:23:59,604 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 06:23:59,604 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 06:23:59,605 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 06:23:59,605 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 06:23:59,606 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 06:23:59,606 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 06:23:59,606 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 06:23:59,607 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 06:23:59,611 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 06:23:59,612 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 06:23:59,612 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 06:23:59,612 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 06:23:59,612 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 06:23:59,612 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 06:23:59,613 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 06:23:59,613 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 06:23:59,614 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-RepeatedSemanticLbeWithDisjunctivePredicates.epf [2022-12-06 06:23:59,637 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 06:23:59,637 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 06:23:59,638 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 06:23:59,638 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 06:23:59,638 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 06:23:59,638 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 06:23:59,638 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 06:23:59,638 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 06:23:59,638 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 06:23:59,639 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 06:23:59,639 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 06:23:59,639 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 06:23:59,641 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 06:23:59,641 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 06:23:59,641 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 06:23:59,641 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 06:23:59,641 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 06:23:59,641 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 06:23:59,641 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 06:23:59,641 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 06:23:59,641 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 06:23:59,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 06:23:59,642 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 06:23:59,642 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 06:23:59,642 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 06:23:59,642 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 06:23:59,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 06:23:59,642 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 06:23:59,643 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-06 06:23:59,870 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 06:23:59,882 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 06:23:59,883 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 06:23:59,884 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 06:23:59,884 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 06:23:59,885 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix033_tso.oepc.i [2022-12-06 06:24:00,815 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 06:24:01,049 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 06:24:01,049 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix033_tso.oepc.i [2022-12-06 06:24:01,062 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0cfb7d84/11a8c9d3a20140008c803722cbce3336/FLAGdee096479 [2022-12-06 06:24:01,073 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0cfb7d84/11a8c9d3a20140008c803722cbce3336 [2022-12-06 06:24:01,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 06:24:01,076 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 06:24:01,077 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 06:24:01,077 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 06:24:01,079 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 06:24:01,079 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:24:01" (1/1) ... [2022-12-06 06:24:01,080 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1edfce51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:24:01, skipping insertion in model container [2022-12-06 06:24:01,080 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:24:01" (1/1) ... [2022-12-06 06:24:01,084 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 06:24:01,133 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 06:24:01,263 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/mix033_tso.oepc.i[949,962] [2022-12-06 06:24:01,384 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:24:01,384 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:24:01,384 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:24:01,385 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:24:01,385 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:24:01,390 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:24:01,390 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:24:01,391 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:24:01,391 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:24:01,393 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:24:01,393 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:24:01,394 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:24:01,394 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:24:01,394 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:24:01,394 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:24:01,395 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:24:01,395 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:24:01,401 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:24:01,401 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:24:01,401 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:24:01,406 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:24:01,406 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:24:01,406 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:24:01,406 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:24:01,406 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:24:01,406 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:24:01,407 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:24:01,407 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:24:01,407 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:24:01,409 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:24:01,409 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:24:01,409 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:24:01,413 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:24:01,414 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:24:01,414 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:24:01,416 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:24:01,416 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:24:01,421 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:24:01,422 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 06:24:01,432 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 06:24:01,440 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/mix033_tso.oepc.i[949,962] [2022-12-06 06:24:01,452 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:24:01,452 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:24:01,452 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:24:01,453 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:24:01,453 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:24:01,454 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:24:01,454 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:24:01,454 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:24:01,455 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:24:01,456 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:24:01,456 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:24:01,456 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:24:01,456 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:24:01,456 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:24:01,456 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:24:01,456 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:24:01,457 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:24:01,458 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:24:01,458 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:24:01,458 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:24:01,459 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:24:01,459 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:24:01,459 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:24:01,459 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:24:01,459 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:24:01,459 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:24:01,459 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:24:01,460 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:24:01,460 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:24:01,461 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:24:01,461 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:24:01,461 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:24:01,464 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:24:01,464 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:24:01,464 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:24:01,468 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:24:01,468 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:24:01,472 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:24:01,473 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 06:24:01,505 INFO L208 MainTranslator]: Completed translation [2022-12-06 06:24:01,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:24:01 WrapperNode [2022-12-06 06:24:01,506 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 06:24:01,507 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 06:24:01,507 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 06:24:01,507 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 06:24:01,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:24:01" (1/1) ... [2022-12-06 06:24:01,528 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:24:01" (1/1) ... [2022-12-06 06:24:01,547 INFO L138 Inliner]: procedures = 176, calls = 62, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 153 [2022-12-06 06:24:01,548 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 06:24:01,548 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 06:24:01,548 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 06:24:01,549 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 06:24:01,555 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:24:01" (1/1) ... [2022-12-06 06:24:01,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:24:01" (1/1) ... [2022-12-06 06:24:01,557 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:24:01" (1/1) ... [2022-12-06 06:24:01,558 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:24:01" (1/1) ... [2022-12-06 06:24:01,563 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:24:01" (1/1) ... [2022-12-06 06:24:01,564 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:24:01" (1/1) ... [2022-12-06 06:24:01,565 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:24:01" (1/1) ... [2022-12-06 06:24:01,566 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:24:01" (1/1) ... [2022-12-06 06:24:01,569 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 06:24:01,569 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 06:24:01,570 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 06:24:01,570 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 06:24:01,570 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:24:01" (1/1) ... [2022-12-06 06:24:01,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 06:24:01,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 06:24:01,620 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-06 06:24:01,647 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-06 06:24:01,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 06:24:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-06 06:24:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 06:24:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 06:24:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 06:24:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-06 06:24:01,649 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-06 06:24:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-06 06:24:01,649 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-06 06:24:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-12-06 06:24:01,649 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-12-06 06:24:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 06:24:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-06 06:24:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 06:24:01,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 06:24:01,650 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-06 06:24:01,774 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 06:24:01,776 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 06:24:02,028 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 06:24:02,226 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 06:24:02,226 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-06 06:24:02,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:24:02 BoogieIcfgContainer [2022-12-06 06:24:02,228 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 06:24:02,229 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 06:24:02,229 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 06:24:02,231 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 06:24:02,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 06:24:01" (1/3) ... [2022-12-06 06:24:02,232 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74af8b50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 06:24:02, skipping insertion in model container [2022-12-06 06:24:02,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:24:01" (2/3) ... [2022-12-06 06:24:02,232 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74af8b50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 06:24:02, skipping insertion in model container [2022-12-06 06:24:02,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:24:02" (3/3) ... [2022-12-06 06:24:02,233 INFO L112 eAbstractionObserver]: Analyzing ICFG mix033_tso.oepc.i [2022-12-06 06:24:02,245 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 06:24:02,245 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-06 06:24:02,245 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 06:24:02,299 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-06 06:24:02,328 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 124 places, 116 transitions, 247 flow [2022-12-06 06:24:02,399 INFO L130 PetriNetUnfolder]: 2/113 cut-off events. [2022-12-06 06:24:02,399 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 06:24:02,403 INFO L83 FinitePrefix]: Finished finitePrefix Result has 123 conditions, 113 events. 2/113 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 68 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 73. Up to 2 conditions per place. [2022-12-06 06:24:02,403 INFO L82 GeneralOperation]: Start removeDead. Operand has 124 places, 116 transitions, 247 flow [2022-12-06 06:24:02,406 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 121 places, 113 transitions, 235 flow [2022-12-06 06:24:02,407 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:24:02,420 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 121 places, 113 transitions, 235 flow [2022-12-06 06:24:02,424 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 121 places, 113 transitions, 235 flow [2022-12-06 06:24:02,440 INFO L130 PetriNetUnfolder]: 2/113 cut-off events. [2022-12-06 06:24:02,440 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 06:24:02,441 INFO L83 FinitePrefix]: Finished finitePrefix Result has 123 conditions, 113 events. 2/113 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 68 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 73. Up to 2 conditions per place. [2022-12-06 06:24:02,443 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 121 places, 113 transitions, 235 flow [2022-12-06 06:24:02,443 INFO L188 LiptonReduction]: Number of co-enabled transitions 2290 [2022-12-06 06:24:06,581 INFO L203 LiptonReduction]: Total number of compositions: 88 [2022-12-06 06:24:06,598 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 06:24:06,602 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;@f405705, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 06:24:06,603 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-12-06 06:24:06,606 INFO L130 PetriNetUnfolder]: 0/8 cut-off events. [2022-12-06 06:24:06,606 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 06:24:06,607 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:24:06,607 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2022-12-06 06:24:06,608 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-06 06:24:06,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:24:06,611 INFO L85 PathProgramCache]: Analyzing trace with hash 475948125, now seen corresponding path program 1 times [2022-12-06 06:24:06,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:24:06,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298877221] [2022-12-06 06:24:06,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:24:06,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:24:06,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:24:06,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:24:06,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:24:06,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298877221] [2022-12-06 06:24:06,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298877221] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:24:06,953 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:24:06,953 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-06 06:24:06,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466360323] [2022-12-06 06:24:06,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:24:06,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 06:24:06,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:24:06,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 06:24:06,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 06:24:06,986 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 29 [2022-12-06 06:24:06,988 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 29 transitions, 67 flow. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:24:06,988 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:24:06,988 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 29 [2022-12-06 06:24:06,988 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:24:07,259 INFO L130 PetriNetUnfolder]: 879/1449 cut-off events. [2022-12-06 06:24:07,260 INFO L131 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES. [2022-12-06 06:24:07,266 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2816 conditions, 1449 events. 879/1449 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 7381 event pairs, 240 based on Foata normal form. 0/1284 useless extension candidates. Maximal degree in co-relation 2805. Up to 1060 conditions per place. [2022-12-06 06:24:07,273 INFO L137 encePairwiseOnDemand]: 24/29 looper letters, 27 selfloop transitions, 2 changer transitions 6/40 dead transitions. [2022-12-06 06:24:07,273 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 40 transitions, 162 flow [2022-12-06 06:24:07,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 06:24:07,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 06:24:07,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 55 transitions. [2022-12-06 06:24:07,282 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.632183908045977 [2022-12-06 06:24:07,283 INFO L175 Difference]: Start difference. First operand has 38 places, 29 transitions, 67 flow. Second operand 3 states and 55 transitions. [2022-12-06 06:24:07,284 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 40 transitions, 162 flow [2022-12-06 06:24:07,287 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 40 transitions, 158 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-12-06 06:24:07,289 INFO L231 Difference]: Finished difference. Result has 35 places, 23 transitions, 56 flow [2022-12-06 06:24:07,291 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=56, PETRI_PLACES=35, PETRI_TRANSITIONS=23} [2022-12-06 06:24:07,295 INFO L294 CegarLoopForPetriNet]: 38 programPoint places, -3 predicate places. [2022-12-06 06:24:07,296 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:24:07,296 INFO L89 Accepts]: Start accepts. Operand has 35 places, 23 transitions, 56 flow [2022-12-06 06:24:07,299 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:24:07,299 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:24:07,299 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 35 places, 23 transitions, 56 flow [2022-12-06 06:24:07,301 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 32 places, 23 transitions, 56 flow [2022-12-06 06:24:07,306 INFO L130 PetriNetUnfolder]: 0/23 cut-off events. [2022-12-06 06:24:07,306 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 06:24:07,306 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33 conditions, 23 events. 0/23 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 32 event pairs, 0 based on Foata normal form. 0/23 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2022-12-06 06:24:07,307 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 32 places, 23 transitions, 56 flow [2022-12-06 06:24:07,307 INFO L188 LiptonReduction]: Number of co-enabled transitions 266 [2022-12-06 06:24:07,375 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 06:24:07,377 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 81 [2022-12-06 06:24:07,377 INFO L495 AbstractCegarLoop]: Abstraction has has 32 places, 23 transitions, 56 flow [2022-12-06 06:24:07,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:24:07,378 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:24:07,378 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 06:24:07,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 06:24:07,380 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-06 06:24:07,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:24:07,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1135541082, now seen corresponding path program 1 times [2022-12-06 06:24:07,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:24:07,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081580840] [2022-12-06 06:24:07,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:24:07,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:24:07,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:24:07,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:24:07,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:24:07,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081580840] [2022-12-06 06:24:07,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081580840] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:24:07,728 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:24:07,728 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 06:24:07,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65683988] [2022-12-06 06:24:07,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:24:07,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 06:24:07,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:24:07,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 06:24:07,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-06 06:24:07,730 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 23 [2022-12-06 06:24:07,730 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 23 transitions, 56 flow. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:24:07,730 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:24:07,730 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 23 [2022-12-06 06:24:07,730 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:24:07,974 INFO L130 PetriNetUnfolder]: 1545/2276 cut-off events. [2022-12-06 06:24:07,974 INFO L131 PetriNetUnfolder]: For 97/97 co-relation queries the response was YES. [2022-12-06 06:24:07,977 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4728 conditions, 2276 events. 1545/2276 cut-off events. For 97/97 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 9750 event pairs, 449 based on Foata normal form. 60/2336 useless extension candidates. Maximal degree in co-relation 4718. Up to 1707 conditions per place. [2022-12-06 06:24:07,984 INFO L137 encePairwiseOnDemand]: 20/23 looper letters, 34 selfloop transitions, 2 changer transitions 0/36 dead transitions. [2022-12-06 06:24:07,984 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 36 transitions, 156 flow [2022-12-06 06:24:07,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 06:24:07,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 06:24:07,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 37 transitions. [2022-12-06 06:24:07,986 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5362318840579711 [2022-12-06 06:24:07,986 INFO L175 Difference]: Start difference. First operand has 32 places, 23 transitions, 56 flow. Second operand 3 states and 37 transitions. [2022-12-06 06:24:07,986 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 36 transitions, 156 flow [2022-12-06 06:24:07,987 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 36 transitions, 152 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-06 06:24:07,988 INFO L231 Difference]: Finished difference. Result has 33 places, 23 transitions, 60 flow [2022-12-06 06:24:07,988 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=23, PETRI_DIFFERENCE_MINUEND_FLOW=52, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=60, PETRI_PLACES=33, PETRI_TRANSITIONS=23} [2022-12-06 06:24:07,988 INFO L294 CegarLoopForPetriNet]: 38 programPoint places, -5 predicate places. [2022-12-06 06:24:07,988 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:24:07,989 INFO L89 Accepts]: Start accepts. Operand has 33 places, 23 transitions, 60 flow [2022-12-06 06:24:07,989 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:24:07,989 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:24:07,989 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 33 places, 23 transitions, 60 flow [2022-12-06 06:24:07,990 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 33 places, 23 transitions, 60 flow [2022-12-06 06:24:07,992 INFO L130 PetriNetUnfolder]: 0/23 cut-off events. [2022-12-06 06:24:07,992 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 06:24:07,993 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36 conditions, 23 events. 0/23 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 33 event pairs, 0 based on Foata normal form. 0/23 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2022-12-06 06:24:07,993 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 33 places, 23 transitions, 60 flow [2022-12-06 06:24:07,993 INFO L188 LiptonReduction]: Number of co-enabled transitions 262 [2022-12-06 06:24:08,131 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-06 06:24:08,132 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 144 [2022-12-06 06:24:08,133 INFO L495 AbstractCegarLoop]: Abstraction has has 32 places, 22 transitions, 58 flow [2022-12-06 06:24:08,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:24:08,133 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:24:08,133 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 06:24:08,133 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 06:24:08,133 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-06 06:24:08,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:24:08,134 INFO L85 PathProgramCache]: Analyzing trace with hash 939348658, now seen corresponding path program 1 times [2022-12-06 06:24:08,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:24:08,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527630803] [2022-12-06 06:24:08,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:24:08,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:24:08,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:24:08,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:24:08,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:24:08,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527630803] [2022-12-06 06:24:08,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527630803] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:24:08,386 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:24:08,386 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 06:24:08,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989137640] [2022-12-06 06:24:08,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:24:08,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 06:24:08,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:24:08,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 06:24:08,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-06 06:24:08,388 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 22 [2022-12-06 06:24:08,388 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 22 transitions, 58 flow. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:24:08,388 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:24:08,388 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 22 [2022-12-06 06:24:08,388 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:24:08,559 INFO L130 PetriNetUnfolder]: 1218/1809 cut-off events. [2022-12-06 06:24:08,559 INFO L131 PetriNetUnfolder]: For 187/187 co-relation queries the response was YES. [2022-12-06 06:24:08,561 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3965 conditions, 1809 events. 1218/1809 cut-off events. For 187/187 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 7161 event pairs, 414 based on Foata normal form. 40/1849 useless extension candidates. Maximal degree in co-relation 3954. Up to 1245 conditions per place. [2022-12-06 06:24:08,568 INFO L137 encePairwiseOnDemand]: 19/22 looper letters, 30 selfloop transitions, 2 changer transitions 0/32 dead transitions. [2022-12-06 06:24:08,568 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 32 transitions, 145 flow [2022-12-06 06:24:08,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 06:24:08,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 06:24:08,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 33 transitions. [2022-12-06 06:24:08,570 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5 [2022-12-06 06:24:08,570 INFO L175 Difference]: Start difference. First operand has 32 places, 22 transitions, 58 flow. Second operand 3 states and 33 transitions. [2022-12-06 06:24:08,571 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 32 transitions, 145 flow [2022-12-06 06:24:08,571 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 32 transitions, 139 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-06 06:24:08,572 INFO L231 Difference]: Finished difference. Result has 33 places, 22 transitions, 62 flow [2022-12-06 06:24:08,572 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=22, PETRI_DIFFERENCE_MINUEND_FLOW=54, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=62, PETRI_PLACES=33, PETRI_TRANSITIONS=22} [2022-12-06 06:24:08,573 INFO L294 CegarLoopForPetriNet]: 38 programPoint places, -5 predicate places. [2022-12-06 06:24:08,573 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:24:08,573 INFO L89 Accepts]: Start accepts. Operand has 33 places, 22 transitions, 62 flow [2022-12-06 06:24:08,574 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:24:08,574 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:24:08,574 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 33 places, 22 transitions, 62 flow [2022-12-06 06:24:08,575 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 33 places, 22 transitions, 62 flow [2022-12-06 06:24:08,577 INFO L130 PetriNetUnfolder]: 0/22 cut-off events. [2022-12-06 06:24:08,577 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-06 06:24:08,577 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38 conditions, 22 events. 0/22 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 30 event pairs, 0 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2022-12-06 06:24:08,578 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 33 places, 22 transitions, 62 flow [2022-12-06 06:24:08,578 INFO L188 LiptonReduction]: Number of co-enabled transitions 232 [2022-12-06 06:24:08,612 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-06 06:24:08,613 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 40 [2022-12-06 06:24:08,613 INFO L495 AbstractCegarLoop]: Abstraction has has 32 places, 21 transitions, 60 flow [2022-12-06 06:24:08,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:24:08,613 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:24:08,613 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 06:24:08,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-06 06:24:08,613 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-06 06:24:08,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:24:08,614 INFO L85 PathProgramCache]: Analyzing trace with hash -944142239, now seen corresponding path program 1 times [2022-12-06 06:24:08,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:24:08,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115364259] [2022-12-06 06:24:08,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:24:08,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:24:08,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:24:09,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:24:09,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:24:09,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115364259] [2022-12-06 06:24:09,123 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115364259] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:24:09,123 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:24:09,123 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 06:24:09,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878954940] [2022-12-06 06:24:09,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:24:09,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-06 06:24:09,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:24:09,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-06 06:24:09,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-06 06:24:09,124 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 21 [2022-12-06 06:24:09,124 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 21 transitions, 60 flow. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:24:09,124 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:24:09,124 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 21 [2022-12-06 06:24:09,124 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:24:09,345 INFO L130 PetriNetUnfolder]: 1220/1828 cut-off events. [2022-12-06 06:24:09,345 INFO L131 PetriNetUnfolder]: For 366/366 co-relation queries the response was YES. [2022-12-06 06:24:09,347 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4127 conditions, 1828 events. 1220/1828 cut-off events. For 366/366 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 8008 event pairs, 146 based on Foata normal form. 40/1868 useless extension candidates. Maximal degree in co-relation 4115. Up to 1139 conditions per place. [2022-12-06 06:24:09,353 INFO L137 encePairwiseOnDemand]: 15/21 looper letters, 42 selfloop transitions, 5 changer transitions 0/47 dead transitions. [2022-12-06 06:24:09,354 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 47 transitions, 216 flow [2022-12-06 06:24:09,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-06 06:24:09,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-06 06:24:09,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 48 transitions. [2022-12-06 06:24:09,356 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5714285714285714 [2022-12-06 06:24:09,356 INFO L175 Difference]: Start difference. First operand has 32 places, 21 transitions, 60 flow. Second operand 4 states and 48 transitions. [2022-12-06 06:24:09,356 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 47 transitions, 216 flow [2022-12-06 06:24:09,357 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 47 transitions, 208 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-06 06:24:09,358 INFO L231 Difference]: Finished difference. Result has 34 places, 24 transitions, 84 flow [2022-12-06 06:24:09,358 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=21, PETRI_DIFFERENCE_MINUEND_FLOW=56, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=84, PETRI_PLACES=34, PETRI_TRANSITIONS=24} [2022-12-06 06:24:09,359 INFO L294 CegarLoopForPetriNet]: 38 programPoint places, -4 predicate places. [2022-12-06 06:24:09,360 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:24:09,360 INFO L89 Accepts]: Start accepts. Operand has 34 places, 24 transitions, 84 flow [2022-12-06 06:24:09,362 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:24:09,362 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:24:09,362 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 34 places, 24 transitions, 84 flow [2022-12-06 06:24:09,362 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 34 places, 24 transitions, 84 flow [2022-12-06 06:24:09,370 INFO L130 PetriNetUnfolder]: 20/68 cut-off events. [2022-12-06 06:24:09,371 INFO L131 PetriNetUnfolder]: For 31/37 co-relation queries the response was YES. [2022-12-06 06:24:09,371 INFO L83 FinitePrefix]: Finished finitePrefix Result has 148 conditions, 68 events. 20/68 cut-off events. For 31/37 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 233 event pairs, 9 based on Foata normal form. 0/63 useless extension candidates. Maximal degree in co-relation 138. Up to 38 conditions per place. [2022-12-06 06:24:09,372 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 34 places, 24 transitions, 84 flow [2022-12-06 06:24:09,372 INFO L188 LiptonReduction]: Number of co-enabled transitions 244 [2022-12-06 06:24:09,385 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 06:24:09,388 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 28 [2022-12-06 06:24:09,389 INFO L495 AbstractCegarLoop]: Abstraction has has 34 places, 24 transitions, 84 flow [2022-12-06 06:24:09,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:24:09,389 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:24:09,389 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 06:24:09,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-06 06:24:09,389 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-06 06:24:09,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:24:09,390 INFO L85 PathProgramCache]: Analyzing trace with hash 1133579800, now seen corresponding path program 1 times [2022-12-06 06:24:09,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:24:09,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253254422] [2022-12-06 06:24:09,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:24:09,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:24:09,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:24:09,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:24:09,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:24:09,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253254422] [2022-12-06 06:24:09,520 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253254422] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:24:09,520 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:24:09,520 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 06:24:09,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790116055] [2022-12-06 06:24:09,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:24:09,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 06:24:09,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:24:09,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 06:24:09,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-06 06:24:09,521 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 2 out of 21 [2022-12-06 06:24:09,522 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 24 transitions, 84 flow. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:24:09,522 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:24:09,522 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2 of 21 [2022-12-06 06:24:09,522 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:24:09,729 INFO L130 PetriNetUnfolder]: 1020/1650 cut-off events. [2022-12-06 06:24:09,730 INFO L131 PetriNetUnfolder]: For 719/719 co-relation queries the response was YES. [2022-12-06 06:24:09,732 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4160 conditions, 1650 events. 1020/1650 cut-off events. For 719/719 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 8399 event pairs, 194 based on Foata normal form. 34/1683 useless extension candidates. Maximal degree in co-relation 4147. Up to 759 conditions per place. [2022-12-06 06:24:09,736 INFO L137 encePairwiseOnDemand]: 18/21 looper letters, 38 selfloop transitions, 2 changer transitions 5/47 dead transitions. [2022-12-06 06:24:09,736 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 47 transitions, 249 flow [2022-12-06 06:24:09,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-06 06:24:09,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-06 06:24:09,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 46 transitions. [2022-12-06 06:24:09,738 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5476190476190477 [2022-12-06 06:24:09,738 INFO L175 Difference]: Start difference. First operand has 34 places, 24 transitions, 84 flow. Second operand 4 states and 46 transitions. [2022-12-06 06:24:09,738 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 47 transitions, 249 flow [2022-12-06 06:24:09,739 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 47 transitions, 237 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-06 06:24:09,739 INFO L231 Difference]: Finished difference. Result has 37 places, 25 transitions, 91 flow [2022-12-06 06:24:09,739 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=21, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=91, PETRI_PLACES=37, PETRI_TRANSITIONS=25} [2022-12-06 06:24:09,740 INFO L294 CegarLoopForPetriNet]: 38 programPoint places, -1 predicate places. [2022-12-06 06:24:09,740 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:24:09,740 INFO L89 Accepts]: Start accepts. Operand has 37 places, 25 transitions, 91 flow [2022-12-06 06:24:09,740 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:24:09,740 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:24:09,741 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 37 places, 25 transitions, 91 flow [2022-12-06 06:24:09,741 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 37 places, 25 transitions, 91 flow [2022-12-06 06:24:09,750 INFO L130 PetriNetUnfolder]: 31/108 cut-off events. [2022-12-06 06:24:09,750 INFO L131 PetriNetUnfolder]: For 79/86 co-relation queries the response was YES. [2022-12-06 06:24:09,751 INFO L83 FinitePrefix]: Finished finitePrefix Result has 241 conditions, 108 events. 31/108 cut-off events. For 79/86 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 459 event pairs, 16 based on Foata normal form. 0/103 useless extension candidates. Maximal degree in co-relation 230. Up to 61 conditions per place. [2022-12-06 06:24:09,751 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 25 transitions, 91 flow [2022-12-06 06:24:09,751 INFO L188 LiptonReduction]: Number of co-enabled transitions 252 [2022-12-06 06:24:09,752 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 06:24:09,753 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 13 [2022-12-06 06:24:09,753 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 25 transitions, 91 flow [2022-12-06 06:24:09,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:24:09,753 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:24:09,753 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 06:24:09,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-06 06:24:09,753 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-06 06:24:09,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:24:09,754 INFO L85 PathProgramCache]: Analyzing trace with hash -340893794, now seen corresponding path program 2 times [2022-12-06 06:24:09,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:24:09,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137115283] [2022-12-06 06:24:09,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:24:09,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:24:09,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:24:09,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:24:09,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:24:09,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137115283] [2022-12-06 06:24:09,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137115283] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:24:09,915 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:24:09,915 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 06:24:09,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997487606] [2022-12-06 06:24:09,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:24:09,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 06:24:09,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:24:09,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 06:24:09,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-06 06:24:09,917 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 21 [2022-12-06 06:24:09,917 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 25 transitions, 91 flow. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:24:09,917 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:24:09,917 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 21 [2022-12-06 06:24:09,917 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:24:10,066 INFO L130 PetriNetUnfolder]: 686/1194 cut-off events. [2022-12-06 06:24:10,066 INFO L131 PetriNetUnfolder]: For 726/730 co-relation queries the response was YES. [2022-12-06 06:24:10,068 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3148 conditions, 1194 events. 686/1194 cut-off events. For 726/730 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 6487 event pairs, 142 based on Foata normal form. 115/1292 useless extension candidates. Maximal degree in co-relation 3134. Up to 473 conditions per place. [2022-12-06 06:24:10,070 INFO L137 encePairwiseOnDemand]: 15/21 looper letters, 44 selfloop transitions, 5 changer transitions 1/54 dead transitions. [2022-12-06 06:24:10,071 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 54 transitions, 291 flow [2022-12-06 06:24:10,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-06 06:24:10,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-06 06:24:10,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 55 transitions. [2022-12-06 06:24:10,074 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6547619047619048 [2022-12-06 06:24:10,074 INFO L175 Difference]: Start difference. First operand has 37 places, 25 transitions, 91 flow. Second operand 4 states and 55 transitions. [2022-12-06 06:24:10,074 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 54 transitions, 291 flow [2022-12-06 06:24:10,077 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 54 transitions, 288 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-06 06:24:10,079 INFO L231 Difference]: Finished difference. Result has 41 places, 28 transitions, 124 flow [2022-12-06 06:24:10,079 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=21, PETRI_DIFFERENCE_MINUEND_FLOW=90, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=124, PETRI_PLACES=41, PETRI_TRANSITIONS=28} [2022-12-06 06:24:10,081 INFO L294 CegarLoopForPetriNet]: 38 programPoint places, 3 predicate places. [2022-12-06 06:24:10,081 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:24:10,081 INFO L89 Accepts]: Start accepts. Operand has 41 places, 28 transitions, 124 flow [2022-12-06 06:24:10,082 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:24:10,082 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:24:10,082 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 28 transitions, 124 flow [2022-12-06 06:24:10,082 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 41 places, 28 transitions, 124 flow [2022-12-06 06:24:10,103 INFO L130 PetriNetUnfolder]: 85/238 cut-off events. [2022-12-06 06:24:10,103 INFO L131 PetriNetUnfolder]: For 197/222 co-relation queries the response was YES. [2022-12-06 06:24:10,104 INFO L83 FinitePrefix]: Finished finitePrefix Result has 630 conditions, 238 events. 85/238 cut-off events. For 197/222 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1303 event pairs, 40 based on Foata normal form. 2/222 useless extension candidates. Maximal degree in co-relation 616. Up to 113 conditions per place. [2022-12-06 06:24:10,105 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 28 transitions, 124 flow [2022-12-06 06:24:10,105 INFO L188 LiptonReduction]: Number of co-enabled transitions 288 [2022-12-06 06:24:10,107 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 06:24:10,108 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 27 [2022-12-06 06:24:10,108 INFO L495 AbstractCegarLoop]: Abstraction has has 41 places, 28 transitions, 124 flow [2022-12-06 06:24:10,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:24:10,108 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:24:10,108 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 06:24:10,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-06 06:24:10,108 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-06 06:24:10,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:24:10,109 INFO L85 PathProgramCache]: Analyzing trace with hash 626296950, now seen corresponding path program 1 times [2022-12-06 06:24:10,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:24:10,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863391805] [2022-12-06 06:24:10,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:24:10,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:24:10,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:24:10,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:24:10,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:24:10,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863391805] [2022-12-06 06:24:10,259 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863391805] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:24:10,259 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:24:10,259 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-06 06:24:10,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349979367] [2022-12-06 06:24:10,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:24:10,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-06 06:24:10,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:24:10,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-06 06:24:10,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-06 06:24:10,261 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 21 [2022-12-06 06:24:10,261 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 28 transitions, 124 flow. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:24:10,261 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:24:10,261 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 21 [2022-12-06 06:24:10,261 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:24:10,407 INFO L130 PetriNetUnfolder]: 346/652 cut-off events. [2022-12-06 06:24:10,407 INFO L131 PetriNetUnfolder]: For 503/507 co-relation queries the response was YES. [2022-12-06 06:24:10,408 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2126 conditions, 652 events. 346/652 cut-off events. For 503/507 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 3226 event pairs, 61 based on Foata normal form. 70/713 useless extension candidates. Maximal degree in co-relation 2109. Up to 278 conditions per place. [2022-12-06 06:24:10,410 INFO L137 encePairwiseOnDemand]: 15/21 looper letters, 47 selfloop transitions, 8 changer transitions 5/64 dead transitions. [2022-12-06 06:24:10,410 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 64 transitions, 383 flow [2022-12-06 06:24:10,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-06 06:24:10,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-06 06:24:10,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 69 transitions. [2022-12-06 06:24:10,413 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6571428571428571 [2022-12-06 06:24:10,413 INFO L175 Difference]: Start difference. First operand has 41 places, 28 transitions, 124 flow. Second operand 5 states and 69 transitions. [2022-12-06 06:24:10,413 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 64 transitions, 383 flow [2022-12-06 06:24:10,416 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 64 transitions, 373 flow, removed 1 selfloop flow, removed 2 redundant places. [2022-12-06 06:24:10,418 INFO L231 Difference]: Finished difference. Result has 45 places, 31 transitions, 164 flow [2022-12-06 06:24:10,418 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=21, PETRI_DIFFERENCE_MINUEND_FLOW=116, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=164, PETRI_PLACES=45, PETRI_TRANSITIONS=31} [2022-12-06 06:24:10,418 INFO L294 CegarLoopForPetriNet]: 38 programPoint places, 7 predicate places. [2022-12-06 06:24:10,418 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:24:10,418 INFO L89 Accepts]: Start accepts. Operand has 45 places, 31 transitions, 164 flow [2022-12-06 06:24:10,419 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:24:10,419 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:24:10,419 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 31 transitions, 164 flow [2022-12-06 06:24:10,419 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 45 places, 31 transitions, 164 flow [2022-12-06 06:24:10,431 INFO L130 PetriNetUnfolder]: 43/147 cut-off events. [2022-12-06 06:24:10,431 INFO L131 PetriNetUnfolder]: For 176/207 co-relation queries the response was YES. [2022-12-06 06:24:10,432 INFO L83 FinitePrefix]: Finished finitePrefix Result has 464 conditions, 147 events. 43/147 cut-off events. For 176/207 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 646 event pairs, 14 based on Foata normal form. 8/148 useless extension candidates. Maximal degree in co-relation 448. Up to 66 conditions per place. [2022-12-06 06:24:10,432 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 31 transitions, 164 flow [2022-12-06 06:24:10,433 INFO L188 LiptonReduction]: Number of co-enabled transitions 276 [2022-12-06 06:24:10,436 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 06:24:10,437 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 19 [2022-12-06 06:24:10,437 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 31 transitions, 164 flow [2022-12-06 06:24:10,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:24:10,437 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:24:10,437 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 06:24:10,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-06 06:24:10,437 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-06 06:24:10,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:24:10,438 INFO L85 PathProgramCache]: Analyzing trace with hash 205987880, now seen corresponding path program 1 times [2022-12-06 06:24:10,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:24:10,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073988558] [2022-12-06 06:24:10,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:24:10,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:24:10,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:24:10,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:24:10,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:24:10,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073988558] [2022-12-06 06:24:10,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073988558] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:24:10,621 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:24:10,622 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-06 06:24:10,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84567834] [2022-12-06 06:24:10,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:24:10,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-06 06:24:10,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:24:10,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-06 06:24:10,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-12-06 06:24:10,622 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 21 [2022-12-06 06:24:10,623 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 31 transitions, 164 flow. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:24:10,623 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:24:10,623 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 21 [2022-12-06 06:24:10,623 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:24:10,723 INFO L130 PetriNetUnfolder]: 220/431 cut-off events. [2022-12-06 06:24:10,723 INFO L131 PetriNetUnfolder]: For 567/571 co-relation queries the response was YES. [2022-12-06 06:24:10,724 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1527 conditions, 431 events. 220/431 cut-off events. For 567/571 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1945 event pairs, 61 based on Foata normal form. 20/444 useless extension candidates. Maximal degree in co-relation 1508. Up to 160 conditions per place. [2022-12-06 06:24:10,725 INFO L137 encePairwiseOnDemand]: 15/21 looper letters, 35 selfloop transitions, 11 changer transitions 5/54 dead transitions. [2022-12-06 06:24:10,726 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 54 transitions, 352 flow [2022-12-06 06:24:10,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-06 06:24:10,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-06 06:24:10,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 63 transitions. [2022-12-06 06:24:10,727 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5 [2022-12-06 06:24:10,727 INFO L175 Difference]: Start difference. First operand has 45 places, 31 transitions, 164 flow. Second operand 6 states and 63 transitions. [2022-12-06 06:24:10,728 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 54 transitions, 352 flow [2022-12-06 06:24:10,730 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 54 transitions, 313 flow, removed 7 selfloop flow, removed 6 redundant places. [2022-12-06 06:24:10,730 INFO L231 Difference]: Finished difference. Result has 46 places, 30 transitions, 162 flow [2022-12-06 06:24:10,731 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=21, PETRI_DIFFERENCE_MINUEND_FLOW=132, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=162, PETRI_PLACES=46, PETRI_TRANSITIONS=30} [2022-12-06 06:24:10,732 INFO L294 CegarLoopForPetriNet]: 38 programPoint places, 8 predicate places. [2022-12-06 06:24:10,733 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:24:10,733 INFO L89 Accepts]: Start accepts. Operand has 46 places, 30 transitions, 162 flow [2022-12-06 06:24:10,734 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:24:10,734 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:24:10,734 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 30 transitions, 162 flow [2022-12-06 06:24:10,734 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 45 places, 30 transitions, 162 flow [2022-12-06 06:24:10,741 INFO L130 PetriNetUnfolder]: 20/75 cut-off events. [2022-12-06 06:24:10,741 INFO L131 PetriNetUnfolder]: For 85/90 co-relation queries the response was YES. [2022-12-06 06:24:10,741 INFO L83 FinitePrefix]: Finished finitePrefix Result has 221 conditions, 75 events. 20/75 cut-off events. For 85/90 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 237 event pairs, 5 based on Foata normal form. 0/70 useless extension candidates. Maximal degree in co-relation 210. Up to 24 conditions per place. [2022-12-06 06:24:10,741 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 30 transitions, 162 flow [2022-12-06 06:24:10,741 INFO L188 LiptonReduction]: Number of co-enabled transitions 190 [2022-12-06 06:24:10,744 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [431] L823-->P2EXIT: Formula: (and (= |v_P2Thread1of1ForFork0_#res.offset_7| 0) (= |v_P2Thread1of1ForFork0_#res.base_7| 0) (= (+ v_~__unbuffered_cnt~0_50 1) v_~__unbuffered_cnt~0_49)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_50} OutVars{P2Thread1of1ForFork0_#res.base=|v_P2Thread1of1ForFork0_#res.base_7|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_49, P2Thread1of1ForFork0_#res.offset=|v_P2Thread1of1ForFork0_#res.offset_7|} AuxVars[] AssignedVars[P2Thread1of1ForFork0_#res.base, ~__unbuffered_cnt~0, P2Thread1of1ForFork0_#res.offset] and [447] L845-3-->L848: Formula: (= (ite (= (ite (= 3 v_~__unbuffered_cnt~0_67) 1 0) 0) 0 1) v_~main$tmp_guard0~0_28) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_67} OutVars{ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_19|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_67, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_13|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_28} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet8#1, ULTIMATE.start_main_#t~pre7#1, ~main$tmp_guard0~0] [2022-12-06 06:24:10,762 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [440] L797-->P1EXIT: Formula: (and (= v_~__unbuffered_cnt~0_61 (+ v_~__unbuffered_cnt~0_62 1)) (= |v_P1Thread1of1ForFork2_#res#1.offset_11| 0) (= |v_P1Thread1of1ForFork2_#res#1.base_11| 0)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_62} OutVars{P1Thread1of1ForFork2_#res#1.base=|v_P1Thread1of1ForFork2_#res#1.base_11|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_61, P1Thread1of1ForFork2_#res#1.offset=|v_P1Thread1of1ForFork2_#res#1.offset_11|} AuxVars[] AssignedVars[P1Thread1of1ForFork2_#res#1.base, ~__unbuffered_cnt~0, P1Thread1of1ForFork2_#res#1.offset] and [447] L845-3-->L848: Formula: (= (ite (= (ite (= 3 v_~__unbuffered_cnt~0_67) 1 0) 0) 0 1) v_~main$tmp_guard0~0_28) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_67} OutVars{ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_19|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_67, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_13|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_28} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet8#1, ULTIMATE.start_main_#t~pre7#1, ~main$tmp_guard0~0] [2022-12-06 06:24:10,780 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [415] L762-->P0EXIT: Formula: (and (= |v_P0Thread1of1ForFork1_#res.base_9| 0) (= (+ v_~__unbuffered_cnt~0_42 1) v_~__unbuffered_cnt~0_41) (= |v_P0Thread1of1ForFork1_#res.offset_9| 0)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_42} OutVars{P0Thread1of1ForFork1_#res.offset=|v_P0Thread1of1ForFork1_#res.offset_9|, P0Thread1of1ForFork1_#res.base=|v_P0Thread1of1ForFork1_#res.base_9|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_41} AuxVars[] AssignedVars[P0Thread1of1ForFork1_#res.offset, P0Thread1of1ForFork1_#res.base, ~__unbuffered_cnt~0] and [447] L845-3-->L848: Formula: (= (ite (= (ite (= 3 v_~__unbuffered_cnt~0_67) 1 0) 0) 0 1) v_~main$tmp_guard0~0_28) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_67} OutVars{ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_19|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_67, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_13|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_28} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet8#1, ULTIMATE.start_main_#t~pre7#1, ~main$tmp_guard0~0] Received shutdown request... [2022-12-06 06:38:43,233 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2022-12-06 06:38:43,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-06 06:38:43,233 WARN L619 AbstractCegarLoop]: Verification canceled: while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-3-2-3-2-2-2-2-2-3-2-3-2-2-1 context. [2022-12-06 06:38:43,234 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2022-12-06 06:38:43,235 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 6 remaining) [2022-12-06 06:38:43,235 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2022-12-06 06:38:43,235 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2022-12-06 06:38:43,235 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2022-12-06 06:38:43,235 INFO L458 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1] [2022-12-06 06:38:43,239 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-06 06:38:43,239 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-06 06:38:43,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 06:38:43 BasicIcfg [2022-12-06 06:38:43,243 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-06 06:38:43,244 INFO L158 Benchmark]: Toolchain (without parser) took 882167.10ms. Allocated memory was 212.9MB in the beginning and 3.4GB in the end (delta: 3.2GB). Free memory was 186.2MB in the beginning and 2.2GB in the end (delta: -2.0GB). Peak memory consumption was 2.2GB. Max. memory is 8.0GB. [2022-12-06 06:38:43,244 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 212.9MB. Free memory is still 189.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 06:38:43,244 INFO L158 Benchmark]: CACSL2BoogieTranslator took 428.92ms. Allocated memory is still 212.9MB. Free memory was 185.9MB in the beginning and 158.6MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2022-12-06 06:38:43,244 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.16ms. Allocated memory is still 212.9MB. Free memory was 158.6MB in the beginning and 156.0MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-12-06 06:38:43,244 INFO L158 Benchmark]: Boogie Preprocessor took 20.43ms. Allocated memory is still 212.9MB. Free memory was 156.0MB in the beginning and 153.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 06:38:43,245 INFO L158 Benchmark]: RCFGBuilder took 658.45ms. Allocated memory is still 212.9MB. Free memory was 153.9MB in the beginning and 118.3MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 8.0GB. [2022-12-06 06:38:43,245 INFO L158 Benchmark]: TraceAbstraction took 881013.96ms. Allocated memory was 212.9MB in the beginning and 3.4GB in the end (delta: 3.2GB). Free memory was 117.7MB in the beginning and 2.2GB in the end (delta: -2.1GB). Peak memory consumption was 2.1GB. Max. memory is 8.0GB. [2022-12-06 06:38:43,246 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 212.9MB. Free memory is still 189.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 428.92ms. Allocated memory is still 212.9MB. Free memory was 185.9MB in the beginning and 158.6MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 41.16ms. Allocated memory is still 212.9MB. Free memory was 158.6MB in the beginning and 156.0MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 20.43ms. Allocated memory is still 212.9MB. Free memory was 156.0MB in the beginning and 153.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 658.45ms. Allocated memory is still 212.9MB. Free memory was 153.9MB in the beginning and 118.3MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 8.0GB. * TraceAbstraction took 881013.96ms. Allocated memory was 212.9MB in the beginning and 3.4GB in the end (delta: 3.2GB). Free memory was 117.7MB in the beginning and 2.2GB in the end (delta: -2.1GB). Peak memory consumption was 2.1GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.1s, 121 PlacesBefore, 38 PlacesAfterwards, 113 TransitionsBefore, 29 TransitionsAfterwards, 2290 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 42 TrivialYvCompositions, 44 ConcurrentYvCompositions, 1 ChoiceCompositions, 88 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1761, independent: 1698, independent conditional: 1698, independent unconditional: 0, dependent: 63, dependent conditional: 63, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1761, independent: 1698, independent conditional: 0, independent unconditional: 1698, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1761, independent: 1698, independent conditional: 0, independent unconditional: 1698, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1761, independent: 1698, independent conditional: 0, independent unconditional: 1698, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1404, independent: 1358, independent conditional: 0, independent unconditional: 1358, dependent: 46, dependent conditional: 0, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1404, independent: 1346, independent conditional: 0, independent unconditional: 1346, dependent: 58, dependent conditional: 0, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 58, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 46, dependent conditional: 0, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 219, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 211, dependent conditional: 0, dependent unconditional: 211, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1761, independent: 340, independent conditional: 0, independent unconditional: 340, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 1404, unknown conditional: 0, unknown unconditional: 1404] , Statistics on independence cache: Total cache size (in pairs): 2108, Positive cache size: 2062, Positive conditional cache size: 0, Positive unconditional cache size: 2062, Negative cache size: 46, Negative conditional cache size: 0, Negative unconditional cache size: 46, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.1s, 32 PlacesBefore, 32 PlacesAfterwards, 23 TransitionsBefore, 23 TransitionsAfterwards, 266 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 154, independent: 128, independent conditional: 128, independent unconditional: 0, dependent: 26, dependent conditional: 26, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 154, independent: 128, independent conditional: 9, independent unconditional: 119, dependent: 26, dependent conditional: 3, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 154, independent: 128, independent conditional: 9, independent unconditional: 119, dependent: 26, dependent conditional: 3, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 154, independent: 128, independent conditional: 9, independent unconditional: 119, dependent: 26, dependent conditional: 3, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 132, independent: 112, independent conditional: 8, independent unconditional: 104, dependent: 20, dependent conditional: 2, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 132, independent: 109, independent conditional: 0, independent unconditional: 109, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 23, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 20, dependent conditional: 2, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 63, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 60, dependent conditional: 10, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 154, independent: 16, independent conditional: 1, independent unconditional: 15, dependent: 6, dependent conditional: 1, dependent unconditional: 5, unknown: 132, unknown conditional: 10, unknown unconditional: 122] , Statistics on independence cache: Total cache size (in pairs): 132, Positive cache size: 112, Positive conditional cache size: 8, Positive unconditional cache size: 104, Negative cache size: 20, Negative conditional cache size: 2, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.1s, 33 PlacesBefore, 32 PlacesAfterwards, 23 TransitionsBefore, 22 TransitionsAfterwards, 262 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 267, independent: 222, independent conditional: 222, independent unconditional: 0, dependent: 45, dependent conditional: 45, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 267, independent: 222, independent conditional: 17, independent unconditional: 205, dependent: 45, dependent conditional: 0, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 267, independent: 222, independent conditional: 0, independent unconditional: 222, dependent: 45, dependent conditional: 0, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 267, independent: 222, independent conditional: 0, independent unconditional: 222, dependent: 45, dependent conditional: 0, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 28, independent: 23, independent conditional: 0, independent unconditional: 23, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 28, independent: 23, independent conditional: 0, independent unconditional: 23, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 33, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 267, independent: 199, independent conditional: 0, independent unconditional: 199, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 28, unknown conditional: 0, unknown unconditional: 28] , Statistics on independence cache: Total cache size (in pairs): 165, Positive cache size: 140, Positive conditional cache size: 8, Positive unconditional cache size: 132, Negative cache size: 25, Negative conditional cache size: 2, Negative unconditional cache size: 23, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 17, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 33 PlacesBefore, 32 PlacesAfterwards, 22 TransitionsBefore, 21 TransitionsAfterwards, 232 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 223, independent: 184, independent conditional: 184, independent unconditional: 0, dependent: 39, dependent conditional: 39, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 223, independent: 184, independent conditional: 10, independent unconditional: 174, dependent: 39, dependent conditional: 0, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 223, independent: 184, independent conditional: 0, independent unconditional: 184, dependent: 39, dependent conditional: 0, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 223, independent: 184, independent conditional: 0, independent unconditional: 184, dependent: 39, dependent conditional: 0, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 20, independent: 16, independent conditional: 0, independent unconditional: 16, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 20, independent: 16, independent conditional: 0, independent unconditional: 16, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 13, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 223, independent: 168, independent conditional: 0, independent unconditional: 168, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 20, unknown conditional: 0, unknown unconditional: 20] , Statistics on independence cache: Total cache size (in pairs): 198, Positive cache size: 169, Positive conditional cache size: 8, Positive unconditional cache size: 161, Negative cache size: 29, Negative conditional cache size: 2, Negative unconditional cache size: 27, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 10, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 34 PlacesBefore, 34 PlacesAfterwards, 24 TransitionsBefore, 24 TransitionsAfterwards, 244 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 91, independent: 76, independent conditional: 76, independent unconditional: 0, dependent: 15, dependent conditional: 15, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 91, independent: 76, independent conditional: 14, independent unconditional: 62, dependent: 15, dependent conditional: 3, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 91, independent: 76, independent conditional: 14, independent unconditional: 62, dependent: 15, dependent conditional: 3, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 91, independent: 76, independent conditional: 14, independent unconditional: 62, dependent: 15, dependent conditional: 3, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 4, dependent conditional: 2, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 4, dependent conditional: 2, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 8, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 8, dependent conditional: 6, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 91, independent: 76, independent conditional: 14, independent unconditional: 62, dependent: 11, dependent conditional: 1, dependent unconditional: 10, unknown: 4, unknown conditional: 2, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 202, Positive cache size: 169, Positive conditional cache size: 8, Positive unconditional cache size: 161, Negative cache size: 33, Negative conditional cache size: 4, Negative unconditional cache size: 29, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 37 PlacesBefore, 37 PlacesAfterwards, 25 TransitionsBefore, 25 TransitionsAfterwards, 252 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 62, independent: 51, independent conditional: 51, independent unconditional: 0, dependent: 11, dependent conditional: 11, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 62, independent: 51, independent conditional: 6, independent unconditional: 45, dependent: 11, dependent conditional: 3, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 62, independent: 51, independent conditional: 6, independent unconditional: 45, dependent: 11, dependent conditional: 3, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 62, independent: 51, independent conditional: 6, independent unconditional: 45, dependent: 11, dependent conditional: 3, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 62, independent: 51, independent conditional: 6, independent unconditional: 45, dependent: 11, dependent conditional: 3, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 202, Positive cache size: 169, Positive conditional cache size: 8, Positive unconditional cache size: 161, Negative cache size: 33, Negative conditional cache size: 4, Negative unconditional cache size: 29, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 41 PlacesBefore, 41 PlacesAfterwards, 28 TransitionsBefore, 28 TransitionsAfterwards, 288 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 50, independent: 41, independent conditional: 41, independent unconditional: 0, dependent: 9, dependent conditional: 9, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 50, independent: 41, independent conditional: 13, independent unconditional: 28, dependent: 9, dependent conditional: 5, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 50, independent: 41, independent conditional: 1, independent unconditional: 40, dependent: 9, dependent conditional: 3, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 50, independent: 41, independent conditional: 1, independent unconditional: 40, dependent: 9, dependent conditional: 3, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 50, independent: 40, independent conditional: 1, independent unconditional: 39, dependent: 8, dependent conditional: 3, dependent unconditional: 5, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 204, Positive cache size: 170, Positive conditional cache size: 8, Positive unconditional cache size: 162, Negative cache size: 34, Negative conditional cache size: 4, Negative unconditional cache size: 30, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 14, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 45 PlacesBefore, 45 PlacesAfterwards, 31 TransitionsBefore, 31 TransitionsAfterwards, 276 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 58, independent: 49, independent conditional: 49, independent unconditional: 0, dependent: 9, dependent conditional: 9, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 58, independent: 49, independent conditional: 21, independent unconditional: 28, dependent: 9, dependent conditional: 5, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 60, independent: 49, independent conditional: 3, independent unconditional: 46, dependent: 11, dependent conditional: 3, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 60, independent: 49, independent conditional: 3, independent unconditional: 46, dependent: 11, dependent conditional: 3, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10, independent: 9, independent conditional: 2, independent unconditional: 7, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 60, independent: 40, independent conditional: 1, independent unconditional: 39, dependent: 10, dependent conditional: 3, dependent unconditional: 7, unknown: 10, unknown conditional: 2, unknown unconditional: 8] , Statistics on independence cache: Total cache size (in pairs): 214, Positive cache size: 179, Positive conditional cache size: 10, Positive unconditional cache size: 169, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 22, Maximal queried relation: 1 - TimeoutResultAtElement [Line: 18]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-3-2-3-2-2-2-2-2-3-2-3-2-2-1 context. - TimeoutResultAtElement [Line: 18]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-3-2-3-2-2-2-2-2-3-2-3-2-2-1 context. - TimeoutResultAtElement [Line: 845]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-3-2-3-2-2-2-2-2-3-2-3-2-2-1 context. - TimeoutResultAtElement [Line: 841]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-3-2-3-2-2-2-2-2-3-2-3-2-2-1 context. - TimeoutResultAtElement [Line: 843]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-3-2-3-2-2-2-2-2-3-2-3-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 147 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 880.9s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 281 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 281 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7 mSDsCounter, 33 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 412 IncrementalHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 33 mSolverCounterUnsat, 13 mSDtfsCounter, 412 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=164occurred in iteration=7, InterpolantAutomatonStates: 32, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 92 NumberOfCodeBlocks, 92 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 84 ConstructedInterpolants, 0 QuantifiedInterpolants, 752 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown