/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-NoLbe.epf --traceabstraction.use.on-demand.petri.net.difference true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix047_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 16:31:04,473 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 16:31:04,475 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 16:31:04,509 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 16:31:04,509 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 16:31:04,511 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 16:31:04,514 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 16:31:04,516 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 16:31:04,520 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 16:31:04,522 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 16:31:04,523 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 16:31:04,524 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 16:31:04,524 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 16:31:04,532 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 16:31:04,533 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 16:31:04,536 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 16:31:04,537 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 16:31:04,538 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 16:31:04,540 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 16:31:04,542 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 16:31:04,543 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 16:31:04,545 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 16:31:04,545 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 16:31:04,546 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 16:31:04,551 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 16:31:04,551 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 16:31:04,552 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 16:31:04,552 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 16:31:04,553 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 16:31:04,553 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 16:31:04,553 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 16:31:04,554 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 16:31:04,554 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 16:31:04,555 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 16:31:04,555 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 16:31:04,556 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 16:31:04,556 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 16:31:04,556 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 16:31:04,556 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 16:31:04,557 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 16:31:04,557 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 16:31:04,560 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2022-12-06 16:31:04,584 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 16:31:04,584 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 16:31:04,585 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-06 16:31:04,585 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-06 16:31:04,586 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 16:31:04,586 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 16:31:04,587 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 16:31:04,587 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 16:31:04,587 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 16:31:04,587 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 16:31:04,587 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 16:31:04,588 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 16:31:04,588 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 16:31:04,588 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 16:31:04,588 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 16:31:04,588 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 16:31:04,588 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 16:31:04,588 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 16:31:04,588 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 16:31:04,588 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 16:31:04,589 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 16:31:04,589 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 16:31:04,589 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 16:31:04,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 16:31:04,589 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 16:31:04,589 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 16:31:04,589 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 16:31:04,589 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 16:31:04,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 16:31:04,590 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-06 16:31:04,590 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-06 16:31:04,590 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true [2022-12-06 16:31:04,846 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 16:31:04,860 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 16:31:04,862 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 16:31:04,863 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 16:31:04,863 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 16:31:04,864 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix047_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2022-12-06 16:31:05,823 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 16:31:06,043 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 16:31:06,043 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix047_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2022-12-06 16:31:06,053 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3130b48a1/d83516ad65df451282dbb551dc575ef3/FLAG6738fccb8 [2022-12-06 16:31:06,065 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3130b48a1/d83516ad65df451282dbb551dc575ef3 [2022-12-06 16:31:06,066 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 16:31:06,067 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 16:31:06,068 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 16:31:06,068 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 16:31:06,070 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 16:31:06,070 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:31:06" (1/1) ... [2022-12-06 16:31:06,071 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e73c127 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:31:06, skipping insertion in model container [2022-12-06 16:31:06,071 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:31:06" (1/1) ... [2022-12-06 16:31:06,075 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 16:31:06,116 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 16:31:06,287 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/mix047_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i[983,996] [2022-12-06 16:31:06,425 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:31:06,426 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:31:06,426 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:31:06,426 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:31:06,426 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:31:06,427 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:31:06,427 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:31:06,427 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:31:06,428 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:31:06,428 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:31:06,428 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:31:06,429 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:31:06,429 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:31:06,429 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:31:06,429 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:31:06,429 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:31:06,430 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:31:06,430 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:31:06,430 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:31:06,430 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:31:06,430 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:31:06,436 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:31:06,436 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:31:06,437 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:31:06,438 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:31:06,440 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:31:06,440 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:31:06,442 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:31:06,443 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:31:06,443 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:31:06,443 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:31:06,444 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:31:06,444 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:31:06,449 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:31:06,449 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:31:06,450 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:31:06,462 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:31:06,463 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:31:06,463 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:31:06,468 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:31:06,468 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:31:06,486 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:31:06,487 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 16:31:06,496 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 16:31:06,504 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/mix047_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i[983,996] [2022-12-06 16:31:06,526 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:31:06,526 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:31:06,526 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:31:06,527 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:31:06,527 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:31:06,527 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:31:06,527 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:31:06,527 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:31:06,528 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:31:06,528 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:31:06,528 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:31:06,528 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:31:06,528 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:31:06,528 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:31:06,528 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:31:06,529 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:31:06,529 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:31:06,529 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:31:06,529 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:31:06,529 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:31:06,529 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:31:06,530 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:31:06,531 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:31:06,531 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:31:06,531 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:31:06,532 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:31:06,532 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:31:06,532 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:31:06,532 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:31:06,532 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:31:06,532 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:31:06,533 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:31:06,533 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:31:06,534 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:31:06,534 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:31:06,534 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:31:06,537 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:31:06,538 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:31:06,538 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:31:06,546 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:31:06,546 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:31:06,552 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:31:06,553 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 16:31:06,587 INFO L208 MainTranslator]: Completed translation [2022-12-06 16:31:06,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:31:06 WrapperNode [2022-12-06 16:31:06,588 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 16:31:06,589 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 16:31:06,589 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 16:31:06,589 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 16:31:06,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:31:06" (1/1) ... [2022-12-06 16:31:06,623 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:31:06" (1/1) ... [2022-12-06 16:31:06,642 INFO L138 Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 165 [2022-12-06 16:31:06,643 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 16:31:06,643 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 16:31:06,643 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 16:31:06,643 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 16:31:06,654 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:31:06" (1/1) ... [2022-12-06 16:31:06,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:31:06" (1/1) ... [2022-12-06 16:31:06,667 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:31:06" (1/1) ... [2022-12-06 16:31:06,667 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:31:06" (1/1) ... [2022-12-06 16:31:06,676 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:31:06" (1/1) ... [2022-12-06 16:31:06,677 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:31:06" (1/1) ... [2022-12-06 16:31:06,679 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:31:06" (1/1) ... [2022-12-06 16:31:06,680 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:31:06" (1/1) ... [2022-12-06 16:31:06,682 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 16:31:06,683 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 16:31:06,683 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 16:31:06,683 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 16:31:06,683 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:31:06" (1/1) ... [2022-12-06 16:31:06,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 16:31:06,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 16:31:06,719 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 16:31:06,734 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 16:31:06,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 16:31:06,760 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-06 16:31:06,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 16:31:06,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 16:31:06,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 16:31:06,760 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-06 16:31:06,761 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-06 16:31:06,761 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-06 16:31:06,761 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-06 16:31:06,761 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-12-06 16:31:06,762 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-12-06 16:31:06,762 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-12-06 16:31:06,762 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-12-06 16:31:06,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 16:31:06,762 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-06 16:31:06,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 16:31:06,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 16:31:06,763 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 16:31:06,897 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 16:31:06,898 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 16:31:07,206 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 16:31:07,283 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 16:31:07,283 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-06 16:31:07,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:31:07 BoogieIcfgContainer [2022-12-06 16:31:07,285 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 16:31:07,287 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 16:31:07,287 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 16:31:07,289 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 16:31:07,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 04:31:06" (1/3) ... [2022-12-06 16:31:07,289 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c6f0904 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 04:31:07, skipping insertion in model container [2022-12-06 16:31:07,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:31:06" (2/3) ... [2022-12-06 16:31:07,289 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c6f0904 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 04:31:07, skipping insertion in model container [2022-12-06 16:31:07,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:31:07" (3/3) ... [2022-12-06 16:31:07,290 INFO L112 eAbstractionObserver]: Analyzing ICFG mix047_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2022-12-06 16:31:07,303 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 16:31:07,303 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-06 16:31:07,304 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 16:31:07,357 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-06 16:31:07,387 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 140 places, 129 transitions, 278 flow [2022-12-06 16:31:07,439 INFO L130 PetriNetUnfolder]: 2/125 cut-off events. [2022-12-06 16:31:07,439 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 16:31:07,444 INFO L83 FinitePrefix]: Finished finitePrefix Result has 138 conditions, 125 events. 2/125 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 71 event pairs, 0 based on Foata normal form. 0/121 useless extension candidates. Maximal degree in co-relation 87. Up to 2 conditions per place. [2022-12-06 16:31:07,444 INFO L82 GeneralOperation]: Start removeDead. Operand has 140 places, 129 transitions, 278 flow [2022-12-06 16:31:07,447 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 136 places, 125 transitions, 262 flow [2022-12-06 16:31:07,455 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 16:31:07,462 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3f20994d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 16:31:07,462 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-12-06 16:31:07,478 INFO L130 PetriNetUnfolder]: 0/87 cut-off events. [2022-12-06 16:31:07,478 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 16:31:07,478 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:31:07,479 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 16:31:07,479 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P3Err0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-06 16:31:07,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:31:07,483 INFO L85 PathProgramCache]: Analyzing trace with hash -25426150, now seen corresponding path program 1 times [2022-12-06 16:31:07,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:31:07,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667509374] [2022-12-06 16:31:07,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:31:07,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:31:07,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:31:08,051 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 16:31:08,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:31:08,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667509374] [2022-12-06 16:31:08,052 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667509374] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:31:08,052 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 16:31:08,052 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 16:31:08,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517819146] [2022-12-06 16:31:08,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:31:08,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 16:31:08,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:31:08,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 16:31:08,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 16:31:08,088 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 129 [2022-12-06 16:31:08,093 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 125 transitions, 262 flow. Second operand has 3 states, 3 states have (on average 117.0) internal successors, (351), 3 states have internal predecessors, (351), 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 16:31:08,094 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:31:08,094 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 129 [2022-12-06 16:31:08,094 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:31:08,209 INFO L130 PetriNetUnfolder]: 17/254 cut-off events. [2022-12-06 16:31:08,210 INFO L131 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2022-12-06 16:31:08,213 INFO L83 FinitePrefix]: Finished finitePrefix Result has 310 conditions, 254 events. 17/254 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 748 event pairs, 7 based on Foata normal form. 9/252 useless extension candidates. Maximal degree in co-relation 256. Up to 27 conditions per place. [2022-12-06 16:31:08,215 INFO L137 encePairwiseOnDemand]: 124/129 looper letters, 11 selfloop transitions, 2 changer transitions 0/124 dead transitions. [2022-12-06 16:31:08,215 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 124 transitions, 286 flow [2022-12-06 16:31:08,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 16:31:08,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 16:31:08,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 363 transitions. [2022-12-06 16:31:08,229 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.937984496124031 [2022-12-06 16:31:08,232 INFO L294 CegarLoopForPetriNet]: 136 programPoint places, 0 predicate places. [2022-12-06 16:31:08,232 INFO L495 AbstractCegarLoop]: Abstraction has has 136 places, 124 transitions, 286 flow [2022-12-06 16:31:08,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 117.0) internal successors, (351), 3 states have internal predecessors, (351), 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 16:31:08,233 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:31:08,233 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 16:31:08,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 16:31:08,233 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-06 16:31:08,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:31:08,234 INFO L85 PathProgramCache]: Analyzing trace with hash 748764093, now seen corresponding path program 1 times [2022-12-06 16:31:08,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:31:08,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513081432] [2022-12-06 16:31:08,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:31:08,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:31:08,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:31:08,809 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 16:31:08,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:31:08,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513081432] [2022-12-06 16:31:08,810 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513081432] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:31:08,810 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 16:31:08,810 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-06 16:31:08,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762369159] [2022-12-06 16:31:08,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:31:08,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-06 16:31:08,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:31:08,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-06 16:31:08,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-12-06 16:31:08,814 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 129 [2022-12-06 16:31:08,814 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 124 transitions, 286 flow. Second operand has 7 states, 7 states have (on average 95.14285714285714) internal successors, (666), 7 states have internal predecessors, (666), 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 16:31:08,815 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:31:08,815 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 129 [2022-12-06 16:31:08,815 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:31:10,557 INFO L130 PetriNetUnfolder]: 5568/13330 cut-off events. [2022-12-06 16:31:10,557 INFO L131 PetriNetUnfolder]: For 1713/2893 co-relation queries the response was YES. [2022-12-06 16:31:10,602 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23370 conditions, 13330 events. 5568/13330 cut-off events. For 1713/2893 co-relation queries the response was YES. Maximal size of possible extension queue 694. Compared 133552 event pairs, 711 based on Foata normal form. 1/13018 useless extension candidates. Maximal degree in co-relation 23302. Up to 2981 conditions per place. [2022-12-06 16:31:10,638 INFO L137 encePairwiseOnDemand]: 112/129 looper letters, 52 selfloop transitions, 17 changer transitions 125/271 dead transitions. [2022-12-06 16:31:10,639 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 271 transitions, 1075 flow [2022-12-06 16:31:10,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-06 16:31:10,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2022-12-06 16:31:10,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1364 transitions. [2022-12-06 16:31:10,642 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8133571854502087 [2022-12-06 16:31:10,643 INFO L294 CegarLoopForPetriNet]: 136 programPoint places, 12 predicate places. [2022-12-06 16:31:10,643 INFO L495 AbstractCegarLoop]: Abstraction has has 148 places, 271 transitions, 1075 flow [2022-12-06 16:31:10,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 95.14285714285714) internal successors, (666), 7 states have internal predecessors, (666), 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 16:31:10,644 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:31:10,644 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 16:31:10,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 16:31:10,644 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-06 16:31:10,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:31:10,645 INFO L85 PathProgramCache]: Analyzing trace with hash -211917924, now seen corresponding path program 1 times [2022-12-06 16:31:10,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:31:10,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167539057] [2022-12-06 16:31:10,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:31:10,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:31:10,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:31:11,054 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 16:31:11,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:31:11,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167539057] [2022-12-06 16:31:11,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167539057] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:31:11,055 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 16:31:11,055 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-06 16:31:11,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79024496] [2022-12-06 16:31:11,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:31:11,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-06 16:31:11,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:31:11,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-06 16:31:11,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-12-06 16:31:11,057 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 129 [2022-12-06 16:31:11,058 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 271 transitions, 1075 flow. Second operand has 7 states, 7 states have (on average 95.28571428571429) internal successors, (667), 7 states have internal predecessors, (667), 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 16:31:11,058 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:31:11,058 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 129 [2022-12-06 16:31:11,058 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:31:13,065 INFO L130 PetriNetUnfolder]: 7697/18536 cut-off events. [2022-12-06 16:31:13,065 INFO L131 PetriNetUnfolder]: For 2714/12133 co-relation queries the response was YES. [2022-12-06 16:31:13,119 INFO L83 FinitePrefix]: Finished finitePrefix Result has 43387 conditions, 18536 events. 7697/18536 cut-off events. For 2714/12133 co-relation queries the response was YES. Maximal size of possible extension queue 1098. Compared 197944 event pairs, 278 based on Foata normal form. 41/18325 useless extension candidates. Maximal degree in co-relation 43305. Up to 3762 conditions per place. [2022-12-06 16:31:13,154 INFO L137 encePairwiseOnDemand]: 115/129 looper letters, 75 selfloop transitions, 13 changer transitions 385/550 dead transitions. [2022-12-06 16:31:13,155 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 550 transitions, 3247 flow [2022-12-06 16:31:13,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-06 16:31:13,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2022-12-06 16:31:13,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1339 transitions. [2022-12-06 16:31:13,157 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.7984496124031008 [2022-12-06 16:31:13,158 INFO L294 CegarLoopForPetriNet]: 136 programPoint places, 24 predicate places. [2022-12-06 16:31:13,158 INFO L495 AbstractCegarLoop]: Abstraction has has 160 places, 550 transitions, 3247 flow [2022-12-06 16:31:13,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 95.28571428571429) internal successors, (667), 7 states have internal predecessors, (667), 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 16:31:13,159 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:31:13,159 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 16:31:13,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-06 16:31:13,159 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-06 16:31:13,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:31:13,160 INFO L85 PathProgramCache]: Analyzing trace with hash 793106977, now seen corresponding path program 1 times [2022-12-06 16:31:13,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:31:13,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227707613] [2022-12-06 16:31:13,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:31:13,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:31:13,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:31:13,450 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 16:31:13,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:31:13,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227707613] [2022-12-06 16:31:13,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227707613] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:31:13,451 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 16:31:13,452 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-06 16:31:13,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328996608] [2022-12-06 16:31:13,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:31:13,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-06 16:31:13,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:31:13,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-06 16:31:13,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-06 16:31:13,457 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 129 [2022-12-06 16:31:13,457 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 550 transitions, 3247 flow. Second operand has 6 states, 6 states have (on average 109.16666666666667) internal successors, (655), 6 states have internal predecessors, (655), 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 16:31:13,457 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:31:13,458 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 129 [2022-12-06 16:31:13,458 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:31:16,159 INFO L130 PetriNetUnfolder]: 12587/32721 cut-off events. [2022-12-06 16:31:16,159 INFO L131 PetriNetUnfolder]: For 9143/17947 co-relation queries the response was YES. [2022-12-06 16:31:16,270 INFO L83 FinitePrefix]: Finished finitePrefix Result has 84661 conditions, 32721 events. 12587/32721 cut-off events. For 9143/17947 co-relation queries the response was YES. Maximal size of possible extension queue 2042. Compared 402541 event pairs, 334 based on Foata normal form. 20/32529 useless extension candidates. Maximal degree in co-relation 84575. Up to 5783 conditions per place. [2022-12-06 16:31:16,423 INFO L137 encePairwiseOnDemand]: 122/129 looper letters, 70 selfloop transitions, 11 changer transitions 802/994 dead transitions. [2022-12-06 16:31:16,423 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 994 transitions, 7723 flow [2022-12-06 16:31:16,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-06 16:31:16,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-12-06 16:31:16,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1026 transitions. [2022-12-06 16:31:16,426 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8837209302325582 [2022-12-06 16:31:16,426 INFO L294 CegarLoopForPetriNet]: 136 programPoint places, 32 predicate places. [2022-12-06 16:31:16,426 INFO L495 AbstractCegarLoop]: Abstraction has has 168 places, 994 transitions, 7723 flow [2022-12-06 16:31:16,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 109.16666666666667) internal successors, (655), 6 states have internal predecessors, (655), 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 16:31:16,427 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:31:16,427 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 16:31:16,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-06 16:31:16,427 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-06 16:31:16,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:31:16,428 INFO L85 PathProgramCache]: Analyzing trace with hash 670919589, now seen corresponding path program 1 times [2022-12-06 16:31:16,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:31:16,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885416603] [2022-12-06 16:31:16,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:31:16,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:31:16,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:31:16,774 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 16:31:16,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:31:16,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885416603] [2022-12-06 16:31:16,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885416603] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:31:16,775 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 16:31:16,775 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-06 16:31:16,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381722855] [2022-12-06 16:31:16,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:31:16,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-06 16:31:16,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:31:16,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-06 16:31:16,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-12-06 16:31:16,777 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 129 [2022-12-06 16:31:16,777 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 994 transitions, 7723 flow. Second operand has 7 states, 7 states have (on average 95.71428571428571) internal successors, (670), 7 states have internal predecessors, (670), 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 16:31:16,777 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:31:16,777 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 129 [2022-12-06 16:31:16,777 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:31:22,404 INFO L130 PetriNetUnfolder]: 17647/49745 cut-off events. [2022-12-06 16:31:22,404 INFO L131 PetriNetUnfolder]: For 15928/39558 co-relation queries the response was YES. [2022-12-06 16:31:22,569 INFO L83 FinitePrefix]: Finished finitePrefix Result has 151462 conditions, 49745 events. 17647/49745 cut-off events. For 15928/39558 co-relation queries the response was YES. Maximal size of possible extension queue 3171. Compared 682656 event pairs, 352 based on Foata normal form. 148/49650 useless extension candidates. Maximal degree in co-relation 151362. Up to 9805 conditions per place. [2022-12-06 16:31:22,620 INFO L137 encePairwiseOnDemand]: 111/129 looper letters, 104 selfloop transitions, 37 changer transitions 1670/1888 dead transitions. [2022-12-06 16:31:22,620 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 1888 transitions, 18701 flow [2022-12-06 16:31:22,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-06 16:31:22,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2022-12-06 16:31:22,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1361 transitions. [2022-12-06 16:31:22,623 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8115682766845558 [2022-12-06 16:31:22,624 INFO L294 CegarLoopForPetriNet]: 136 programPoint places, 44 predicate places. [2022-12-06 16:31:22,624 INFO L495 AbstractCegarLoop]: Abstraction has has 180 places, 1888 transitions, 18701 flow [2022-12-06 16:31:22,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 95.71428571428571) internal successors, (670), 7 states have internal predecessors, (670), 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 16:31:22,624 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:31:22,625 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 16:31:22,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-06 16:31:22,625 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-06 16:31:22,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:31:22,625 INFO L85 PathProgramCache]: Analyzing trace with hash 731486840, now seen corresponding path program 1 times [2022-12-06 16:31:22,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:31:22,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213572236] [2022-12-06 16:31:22,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:31:22,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:31:22,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:31:23,218 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 16:31:23,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:31:23,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213572236] [2022-12-06 16:31:23,218 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213572236] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:31:23,218 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 16:31:23,218 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-06 16:31:23,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070836273] [2022-12-06 16:31:23,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:31:23,219 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-06 16:31:23,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:31:23,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-06 16:31:23,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-12-06 16:31:23,220 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 129 [2022-12-06 16:31:23,221 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 180 places, 1888 transitions, 18701 flow. Second operand has 10 states, 10 states have (on average 105.7) internal successors, (1057), 10 states have internal predecessors, (1057), 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 16:31:23,221 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:31:23,222 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 129 [2022-12-06 16:31:23,222 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:31:31,465 INFO L130 PetriNetUnfolder]: 22511/64855 cut-off events. [2022-12-06 16:31:31,466 INFO L131 PetriNetUnfolder]: For 31073/53547 co-relation queries the response was YES. [2022-12-06 16:31:31,692 INFO L83 FinitePrefix]: Finished finitePrefix Result has 217177 conditions, 64855 events. 22511/64855 cut-off events. For 31073/53547 co-relation queries the response was YES. Maximal size of possible extension queue 4038. Compared 934895 event pairs, 342 based on Foata normal form. 236/64895 useless extension candidates. Maximal degree in co-relation 217069. Up to 12941 conditions per place. [2022-12-06 16:31:31,760 INFO L137 encePairwiseOnDemand]: 117/129 looper letters, 95 selfloop transitions, 30 changer transitions 3145/3393 dead transitions. [2022-12-06 16:31:31,760 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 196 places, 3393 transitions, 40013 flow [2022-12-06 16:31:31,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-06 16:31:31,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2022-12-06 16:31:31,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 1836 transitions. [2022-12-06 16:31:31,763 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8372093023255814 [2022-12-06 16:31:31,764 INFO L294 CegarLoopForPetriNet]: 136 programPoint places, 60 predicate places. [2022-12-06 16:31:31,764 INFO L495 AbstractCegarLoop]: Abstraction has has 196 places, 3393 transitions, 40013 flow [2022-12-06 16:31:31,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 105.7) internal successors, (1057), 10 states have internal predecessors, (1057), 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 16:31:31,765 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:31:31,765 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 16:31:31,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-06 16:31:31,765 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-06 16:31:31,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:31:31,765 INFO L85 PathProgramCache]: Analyzing trace with hash 957333084, now seen corresponding path program 1 times [2022-12-06 16:31:31,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:31:31,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377159019] [2022-12-06 16:31:31,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:31:31,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:31:31,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:31:32,207 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 16:31:32,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:31:32,207 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377159019] [2022-12-06 16:31:32,207 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377159019] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:31:32,207 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 16:31:32,208 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-06 16:31:32,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827578523] [2022-12-06 16:31:32,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:31:32,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-06 16:31:32,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:31:32,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-06 16:31:32,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-12-06 16:31:32,214 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 129 [2022-12-06 16:31:32,215 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 3393 transitions, 40013 flow. Second operand has 10 states, 10 states have (on average 106.7) internal successors, (1067), 10 states have internal predecessors, (1067), 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 16:31:32,215 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:31:32,215 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 129 [2022-12-06 16:31:32,215 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:31:46,991 INFO L130 PetriNetUnfolder]: 29227/83717 cut-off events. [2022-12-06 16:31:46,991 INFO L131 PetriNetUnfolder]: For 66064/130497 co-relation queries the response was YES. [2022-12-06 16:31:47,301 INFO L83 FinitePrefix]: Finished finitePrefix Result has 308302 conditions, 83717 events. 29227/83717 cut-off events. For 66064/130497 co-relation queries the response was YES. Maximal size of possible extension queue 5235. Compared 1245485 event pairs, 359 based on Foata normal form. 281/83817 useless extension candidates. Maximal degree in co-relation 308187. Up to 19219 conditions per place. [2022-12-06 16:31:47,381 INFO L137 encePairwiseOnDemand]: 118/129 looper letters, 117 selfloop transitions, 34 changer transitions 4895/5170 dead transitions. [2022-12-06 16:31:47,382 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 5170 transitions, 72059 flow [2022-12-06 16:31:47,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-06 16:31:47,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2022-12-06 16:31:47,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 1974 transitions. [2022-12-06 16:31:47,385 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8501291989664083 [2022-12-06 16:31:47,385 INFO L294 CegarLoopForPetriNet]: 136 programPoint places, 77 predicate places. [2022-12-06 16:31:47,385 INFO L495 AbstractCegarLoop]: Abstraction has has 213 places, 5170 transitions, 72059 flow [2022-12-06 16:31:47,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 106.7) internal successors, (1067), 10 states have internal predecessors, (1067), 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 16:31:47,386 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:31:47,386 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 16:31:47,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-06 16:31:47,386 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-06 16:31:47,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:31:47,387 INFO L85 PathProgramCache]: Analyzing trace with hash -1064755746, now seen corresponding path program 2 times [2022-12-06 16:31:47,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:31:47,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853227256] [2022-12-06 16:31:47,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:31:47,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:31:47,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:31:48,046 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 16:31:48,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:31:48,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853227256] [2022-12-06 16:31:48,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853227256] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:31:48,047 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 16:31:48,047 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-12-06 16:31:48,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429360448] [2022-12-06 16:31:48,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:31:48,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-06 16:31:48,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:31:48,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-06 16:31:48,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-12-06 16:31:48,049 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 129 [2022-12-06 16:31:48,050 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 213 places, 5170 transitions, 72059 flow. Second operand has 12 states, 12 states have (on average 104.58333333333333) internal successors, (1255), 12 states have internal predecessors, (1255), 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 16:31:48,050 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:31:48,050 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 129 [2022-12-06 16:31:48,050 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:32:13,208 INFO L130 PetriNetUnfolder]: 32900/95002 cut-off events. [2022-12-06 16:32:13,208 INFO L131 PetriNetUnfolder]: For 103555/132306 co-relation queries the response was YES. [2022-12-06 16:32:13,615 INFO L83 FinitePrefix]: Finished finitePrefix Result has 378286 conditions, 95002 events. 32900/95002 cut-off events. For 103555/132306 co-relation queries the response was YES. Maximal size of possible extension queue 6040. Compared 1445721 event pairs, 423 based on Foata normal form. 562/95398 useless extension candidates. Maximal degree in co-relation 378162. Up to 22534 conditions per place. [2022-12-06 16:32:13,707 INFO L137 encePairwiseOnDemand]: 117/129 looper letters, 117 selfloop transitions, 48 changer transitions 5741/6028 dead transitions. [2022-12-06 16:32:13,707 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 232 places, 6028 transitions, 95687 flow [2022-12-06 16:32:13,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-12-06 16:32:13,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2022-12-06 16:32:13,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2145 transitions. [2022-12-06 16:32:13,710 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8313953488372093 [2022-12-06 16:32:13,711 INFO L294 CegarLoopForPetriNet]: 136 programPoint places, 96 predicate places. [2022-12-06 16:32:13,711 INFO L495 AbstractCegarLoop]: Abstraction has has 232 places, 6028 transitions, 95687 flow [2022-12-06 16:32:13,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 104.58333333333333) internal successors, (1255), 12 states have internal predecessors, (1255), 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 16:32:13,711 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:32:13,711 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 16:32:13,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-06 16:32:13,712 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-06 16:32:13,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:32:13,712 INFO L85 PathProgramCache]: Analyzing trace with hash 1440693538, now seen corresponding path program 3 times [2022-12-06 16:32:13,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:32:13,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661262158] [2022-12-06 16:32:13,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:32:13,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:32:13,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:32:14,102 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 16:32:14,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:32:14,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661262158] [2022-12-06 16:32:14,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661262158] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:32:14,103 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 16:32:14,103 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-06 16:32:14,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375953059] [2022-12-06 16:32:14,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:32:14,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-06 16:32:14,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:32:14,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-06 16:32:14,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-12-06 16:32:14,104 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 129 [2022-12-06 16:32:14,105 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 232 places, 6028 transitions, 95687 flow. Second operand has 10 states, 10 states have (on average 105.8) internal successors, (1058), 10 states have internal predecessors, (1058), 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 16:32:14,105 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:32:14,105 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 129 [2022-12-06 16:32:14,106 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:32:47,850 INFO L130 PetriNetUnfolder]: 35544/105605 cut-off events. [2022-12-06 16:32:47,850 INFO L131 PetriNetUnfolder]: For 165879/198555 co-relation queries the response was YES. [2022-12-06 16:32:48,313 INFO L83 FinitePrefix]: Finished finitePrefix Result has 447083 conditions, 105605 events. 35544/105605 cut-off events. For 165879/198555 co-relation queries the response was YES. Maximal size of possible extension queue 6961. Compared 1652995 event pairs, 416 based on Foata normal form. 470/105922 useless extension candidates. Maximal degree in co-relation 446951. Up to 25184 conditions per place. [2022-12-06 16:32:48,417 INFO L137 encePairwiseOnDemand]: 119/129 looper letters, 149 selfloop transitions, 39 changer transitions 7070/7381 dead transitions. [2022-12-06 16:32:48,418 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 7381 transitions, 132023 flow [2022-12-06 16:32:48,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-06 16:32:48,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2022-12-06 16:32:48,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1308 transitions. [2022-12-06 16:32:48,420 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8449612403100775 [2022-12-06 16:32:48,421 INFO L294 CegarLoopForPetriNet]: 136 programPoint places, 107 predicate places. [2022-12-06 16:32:48,421 INFO L495 AbstractCegarLoop]: Abstraction has has 243 places, 7381 transitions, 132023 flow [2022-12-06 16:32:48,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 105.8) internal successors, (1058), 10 states have internal predecessors, (1058), 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 16:32:48,421 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:32:48,421 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 16:32:48,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-06 16:32:48,422 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-06 16:32:48,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:32:48,422 INFO L85 PathProgramCache]: Analyzing trace with hash 715689435, now seen corresponding path program 1 times [2022-12-06 16:32:48,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:32:48,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565932387] [2022-12-06 16:32:48,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:32:48,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:32:48,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:32:49,115 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 16:32:49,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:32:49,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565932387] [2022-12-06 16:32:49,116 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565932387] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:32:49,117 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 16:32:49,117 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-12-06 16:32:49,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5712224] [2022-12-06 16:32:49,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:32:49,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-06 16:32:49,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:32:49,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-06 16:32:49,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-12-06 16:32:49,120 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 129 [2022-12-06 16:32:49,121 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 7381 transitions, 132023 flow. Second operand has 12 states, 12 states have (on average 103.75) internal successors, (1245), 12 states have internal predecessors, (1245), 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 16:32:49,121 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:32:49,121 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 129 [2022-12-06 16:32:49,121 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:33:43,490 INFO L130 PetriNetUnfolder]: 39866/120147 cut-off events. [2022-12-06 16:33:43,490 INFO L131 PetriNetUnfolder]: For 245135/302570 co-relation queries the response was YES. [2022-12-06 16:33:44,068 INFO L83 FinitePrefix]: Finished finitePrefix Result has 537565 conditions, 120147 events. 39866/120147 cut-off events. For 245135/302570 co-relation queries the response was YES. Maximal size of possible extension queue 8023. Compared 1925636 event pairs, 408 based on Foata normal form. 821/120837 useless extension candidates. Maximal degree in co-relation 537423. Up to 28660 conditions per place. [2022-12-06 16:33:44,181 INFO L137 encePairwiseOnDemand]: 117/129 looper letters, 138 selfloop transitions, 70 changer transitions 8059/8388 dead transitions. [2022-12-06 16:33:44,182 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 259 places, 8388 transitions, 166193 flow [2022-12-06 16:33:44,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-06 16:33:44,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2022-12-06 16:33:44,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 1822 transitions. [2022-12-06 16:33:44,214 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8308253533971728 [2022-12-06 16:33:44,215 INFO L294 CegarLoopForPetriNet]: 136 programPoint places, 123 predicate places. [2022-12-06 16:33:44,215 INFO L495 AbstractCegarLoop]: Abstraction has has 259 places, 8388 transitions, 166193 flow [2022-12-06 16:33:44,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 103.75) internal successors, (1245), 12 states have internal predecessors, (1245), 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 16:33:44,216 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:33:44,216 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 16:33:44,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-06 16:33:44,216 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-06 16:33:44,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:33:44,216 INFO L85 PathProgramCache]: Analyzing trace with hash -187960249, now seen corresponding path program 2 times [2022-12-06 16:33:44,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:33:44,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47028638] [2022-12-06 16:33:44,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:33:44,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:33:44,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:33:45,310 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 16:33:45,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:33:45,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47028638] [2022-12-06 16:33:45,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47028638] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:33:45,310 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 16:33:45,311 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-06 16:33:45,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26402663] [2022-12-06 16:33:45,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:33:45,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-06 16:33:45,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:33:45,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-06 16:33:45,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2022-12-06 16:33:45,312 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 129 [2022-12-06 16:33:45,313 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 259 places, 8388 transitions, 166193 flow. Second operand has 13 states, 13 states have (on average 94.15384615384616) internal successors, (1224), 13 states have internal predecessors, (1224), 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 16:33:45,313 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:33:45,313 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 129 [2022-12-06 16:33:45,313 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:35:25,836 INFO L130 PetriNetUnfolder]: 46410/144402 cut-off events. [2022-12-06 16:35:25,836 INFO L131 PetriNetUnfolder]: For 324274/478594 co-relation queries the response was YES. [2022-12-06 16:35:26,498 INFO L83 FinitePrefix]: Finished finitePrefix Result has 704767 conditions, 144402 events. 46410/144402 cut-off events. For 324274/478594 co-relation queries the response was YES. Maximal size of possible extension queue 9900. Compared 2403335 event pairs, 376 based on Foata normal form. 1501/145757 useless extension candidates. Maximal degree in co-relation 704611. Up to 33817 conditions per place. [2022-12-06 16:35:26,635 INFO L137 encePairwiseOnDemand]: 111/129 looper letters, 200 selfloop transitions, 110 changer transitions 11180/11567 dead transitions. [2022-12-06 16:35:26,635 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 11567 transitions, 239249 flow [2022-12-06 16:35:26,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-12-06 16:35:26,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2022-12-06 16:35:26,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 2745 transitions. [2022-12-06 16:35:26,638 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.7881136950904393 [2022-12-06 16:35:26,638 INFO L294 CegarLoopForPetriNet]: 136 programPoint places, 149 predicate places. [2022-12-06 16:35:26,638 INFO L495 AbstractCegarLoop]: Abstraction has has 285 places, 11567 transitions, 239249 flow [2022-12-06 16:35:26,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 94.15384615384616) internal successors, (1224), 13 states have internal predecessors, (1224), 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 16:35:26,639 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:35:26,639 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 16:35:26,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-06 16:35:26,640 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-06 16:35:26,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:35:26,640 INFO L85 PathProgramCache]: Analyzing trace with hash 472014585, now seen corresponding path program 3 times [2022-12-06 16:35:26,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:35:26,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381860735] [2022-12-06 16:35:26,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:35:26,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:35:26,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:35:27,311 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 16:35:27,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:35:27,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381860735] [2022-12-06 16:35:27,312 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381860735] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:35:27,312 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 16:35:27,312 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-06 16:35:27,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745736571] [2022-12-06 16:35:27,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:35:27,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-06 16:35:27,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:35:27,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-06 16:35:27,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2022-12-06 16:35:27,314 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 129 [2022-12-06 16:35:27,315 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 285 places, 11567 transitions, 239249 flow. Second operand has 13 states, 13 states have (on average 103.61538461538461) internal successors, (1347), 13 states have internal predecessors, (1347), 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 16:35:27,315 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:35:27,315 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 129 [2022-12-06 16:35:27,315 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:38:02,501 INFO L130 PetriNetUnfolder]: 57858/182130 cut-off events. [2022-12-06 16:38:02,501 INFO L131 PetriNetUnfolder]: For 488866/637856 co-relation queries the response was YES. [2022-12-06 16:38:03,358 INFO L83 FinitePrefix]: Finished finitePrefix Result has 931139 conditions, 182130 events. 57858/182130 cut-off events. For 488866/637856 co-relation queries the response was YES. Maximal size of possible extension queue 12597. Compared 3139774 event pairs, 489 based on Foata normal form. 1414/183373 useless extension candidates. Maximal degree in co-relation 930973. Up to 45105 conditions per place. [2022-12-06 16:38:03,530 INFO L137 encePairwiseOnDemand]: 117/129 looper letters, 184 selfloop transitions, 58 changer transitions 13744/14149 dead transitions. [2022-12-06 16:38:03,531 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 301 places, 14149 transitions, 322487 flow [2022-12-06 16:38:03,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-06 16:38:03,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2022-12-06 16:38:03,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 1812 transitions. [2022-12-06 16:38:03,534 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.826265389876881 [2022-12-06 16:38:03,534 INFO L294 CegarLoopForPetriNet]: 136 programPoint places, 165 predicate places. [2022-12-06 16:38:03,534 INFO L495 AbstractCegarLoop]: Abstraction has has 301 places, 14149 transitions, 322487 flow [2022-12-06 16:38:03,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 103.61538461538461) internal successors, (1347), 13 states have internal predecessors, (1347), 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 16:38:03,535 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:38:03,535 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 16:38:03,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-06 16:38:03,535 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-06 16:38:03,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:38:03,536 INFO L85 PathProgramCache]: Analyzing trace with hash 1438808939, now seen corresponding path program 4 times [2022-12-06 16:38:03,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:38:03,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320860188] [2022-12-06 16:38:03,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:38:03,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:38:03,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:38:04,196 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 16:38:04,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:38:04,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320860188] [2022-12-06 16:38:04,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320860188] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:38:04,197 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 16:38:04,197 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-06 16:38:04,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735260961] [2022-12-06 16:38:04,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:38:04,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-06 16:38:04,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:38:04,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-06 16:38:04,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-12-06 16:38:04,199 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 129 [2022-12-06 16:38:04,200 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 301 places, 14149 transitions, 322487 flow. Second operand has 11 states, 11 states have (on average 104.81818181818181) internal successors, (1153), 11 states have internal predecessors, (1153), 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 16:38:04,200 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:38:04,200 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 129 [2022-12-06 16:38:04,200 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:42:10,037 INFO L130 PetriNetUnfolder]: 58486/189564 cut-off events. [2022-12-06 16:42:10,037 INFO L131 PetriNetUnfolder]: For 650642/850431 co-relation queries the response was YES. [2022-12-06 16:42:10,924 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1005264 conditions, 189564 events. 58486/189564 cut-off events. For 650642/850431 co-relation queries the response was YES. Maximal size of possible extension queue 13226. Compared 3328106 event pairs, 499 based on Foata normal form. 897/190311 useless extension candidates. Maximal degree in co-relation 1005089. Up to 46085 conditions per place. [2022-12-06 16:42:11,098 INFO L137 encePairwiseOnDemand]: 120/129 looper letters, 219 selfloop transitions, 38 changer transitions 14382/14803 dead transitions. [2022-12-06 16:42:11,098 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 312 places, 14803 transitions, 363955 flow [2022-12-06 16:42:11,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-06 16:42:11,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2022-12-06 16:42:11,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1294 transitions. [2022-12-06 16:42:11,099 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8359173126614987 [2022-12-06 16:42:11,100 INFO L294 CegarLoopForPetriNet]: 136 programPoint places, 176 predicate places. [2022-12-06 16:42:11,100 INFO L495 AbstractCegarLoop]: Abstraction has has 312 places, 14803 transitions, 363955 flow [2022-12-06 16:42:11,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 104.81818181818181) internal successors, (1153), 11 states have internal predecessors, (1153), 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 16:42:11,100 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:42:11,100 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 16:42:11,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-06 16:42:11,101 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-06 16:42:11,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:42:11,101 INFO L85 PathProgramCache]: Analyzing trace with hash -189486685, now seen corresponding path program 1 times [2022-12-06 16:42:11,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:42:11,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850294186] [2022-12-06 16:42:11,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:42:11,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:42:11,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:42:11,383 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 16:42:11,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:42:11,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850294186] [2022-12-06 16:42:11,384 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850294186] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:42:11,384 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 16:42:11,384 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-06 16:42:11,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595498863] [2022-12-06 16:42:11,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:42:11,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-06 16:42:11,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:42:11,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-06 16:42:11,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-06 16:42:11,385 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 129 [2022-12-06 16:42:11,386 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 312 places, 14803 transitions, 363955 flow. Second operand has 6 states, 6 states have (on average 106.5) internal successors, (639), 6 states have internal predecessors, (639), 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 16:42:11,386 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:42:11,386 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 129 [2022-12-06 16:42:11,386 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand Received shutdown request... [2022-12-06 16:44:19,591 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-12-06 16:44:19,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-06 16:44:19,762 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2022-12-06 16:44:19,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-06 16:44:19,763 WARN L619 AbstractCegarLoop]: Verification canceled: while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (6states, 104/129 universal loopers) in iteration 14,while PetriNetUnfolder was constructing finite prefix that currently has 372865 conditions, 57039 events (32637/57038 cut-off events. For 1535675/1640682 co-relation queries the response was YES. Maximal size of possible extension queue 8441. Compared 634149 event pairs, 1407 based on Foata normal form. 3934/65579 useless extension candidates. Maximal degree in co-relation 372686. Up to 20887 conditions per place.). [2022-12-06 16:44:19,764 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location P3Err0ASSERT_VIOLATIONERROR_FUNCTION (5 of 7 remaining) [2022-12-06 16:44:19,764 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2022-12-06 16:44:19,764 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2022-12-06 16:44:19,764 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 7 remaining) [2022-12-06 16:44:19,764 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 7 remaining) [2022-12-06 16:44:19,764 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location P3Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2022-12-06 16:44:19,764 INFO L458 BasicCegarLoop]: Path program histogram: [4, 3, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 16:44:19,768 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-06 16:44:19,768 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-06 16:44:19,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 04:44:19 BasicIcfg [2022-12-06 16:44:19,774 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-06 16:44:19,774 INFO L158 Benchmark]: Toolchain (without parser) took 793706.78ms. Allocated memory was 189.8MB in the beginning and 6.1GB in the end (delta: 5.9GB). Free memory was 165.7MB in the beginning and 1.2GB in the end (delta: -999.1MB). Peak memory consumption was 5.6GB. Max. memory is 8.0GB. [2022-12-06 16:44:19,774 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 189.8MB. Free memory is still 165.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 16:44:19,774 INFO L158 Benchmark]: CACSL2BoogieTranslator took 520.28ms. Allocated memory is still 189.8MB. Free memory was 165.3MB in the beginning and 137.5MB in the end (delta: 27.8MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. [2022-12-06 16:44:19,775 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.63ms. Allocated memory is still 189.8MB. Free memory was 137.5MB in the beginning and 134.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 16:44:19,775 INFO L158 Benchmark]: Boogie Preprocessor took 39.03ms. Allocated memory is still 189.8MB. Free memory was 134.9MB in the beginning and 132.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 16:44:19,778 INFO L158 Benchmark]: RCFGBuilder took 602.44ms. Allocated memory is still 189.8MB. Free memory was 132.8MB in the beginning and 99.3MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. [2022-12-06 16:44:19,778 INFO L158 Benchmark]: TraceAbstraction took 792487.21ms. Allocated memory was 189.8MB in the beginning and 6.1GB in the end (delta: 5.9GB). Free memory was 98.7MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 5.6GB. Max. memory is 8.0GB. [2022-12-06 16:44:19,779 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 189.8MB. Free memory is still 165.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 520.28ms. Allocated memory is still 189.8MB. Free memory was 165.3MB in the beginning and 137.5MB in the end (delta: 27.8MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 53.63ms. Allocated memory is still 189.8MB. Free memory was 137.5MB in the beginning and 134.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 39.03ms. Allocated memory is still 189.8MB. Free memory was 134.9MB in the beginning and 132.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 602.44ms. Allocated memory is still 189.8MB. Free memory was 132.8MB in the beginning and 99.3MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. * TraceAbstraction took 792487.21ms. Allocated memory was 189.8MB in the beginning and 6.1GB in the end (delta: 5.9GB). Free memory was 98.7MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 5.6GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 18]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (6states, 104/129 universal loopers) in iteration 14,while PetriNetUnfolder was constructing finite prefix that currently has 372865 conditions, 57039 events (32637/57038 cut-off events. For 1535675/1640682 co-relation queries the response was YES. Maximal size of possible extension queue 8441. Compared 634149 event pairs, 1407 based on Foata normal form. 3934/65579 useless extension candidates. Maximal degree in co-relation 372686. Up to 20887 conditions per place.). - TimeoutResultAtElement [Line: 18]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (6states, 104/129 universal loopers) in iteration 14,while PetriNetUnfolder was constructing finite prefix that currently has 372865 conditions, 57039 events (32637/57038 cut-off events. For 1535675/1640682 co-relation queries the response was YES. Maximal size of possible extension queue 8441. Compared 634149 event pairs, 1407 based on Foata normal form. 3934/65579 useless extension candidates. Maximal degree in co-relation 372686. Up to 20887 conditions per place.). - 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 CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (6states, 104/129 universal loopers) in iteration 14,while PetriNetUnfolder was constructing finite prefix that currently has 372865 conditions, 57039 events (32637/57038 cut-off events. For 1535675/1640682 co-relation queries the response was YES. Maximal size of possible extension queue 8441. Compared 634149 event pairs, 1407 based on Foata normal form. 3934/65579 useless extension candidates. Maximal degree in co-relation 372686. Up to 20887 conditions per place.). - TimeoutResultAtElement [Line: 847]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (6states, 104/129 universal loopers) in iteration 14,while PetriNetUnfolder was constructing finite prefix that currently has 372865 conditions, 57039 events (32637/57038 cut-off events. For 1535675/1640682 co-relation queries the response was YES. Maximal size of possible extension queue 8441. Compared 634149 event pairs, 1407 based on Foata normal form. 3934/65579 useless extension candidates. Maximal degree in co-relation 372686. Up to 20887 conditions per place.). - TimeoutResultAtElement [Line: 851]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (6states, 104/129 universal loopers) in iteration 14,while PetriNetUnfolder was constructing finite prefix that currently has 372865 conditions, 57039 events (32637/57038 cut-off events. For 1535675/1640682 co-relation queries the response was YES. Maximal size of possible extension queue 8441. Compared 634149 event pairs, 1407 based on Foata normal form. 3934/65579 useless extension candidates. Maximal degree in co-relation 372686. Up to 20887 conditions per place.). - TimeoutResultAtElement [Line: 849]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (6states, 104/129 universal loopers) in iteration 14,while PetriNetUnfolder was constructing finite prefix that currently has 372865 conditions, 57039 events (32637/57038 cut-off events. For 1535675/1640682 co-relation queries the response was YES. Maximal size of possible extension queue 8441. Compared 634149 event pairs, 1407 based on Foata normal form. 3934/65579 useless extension candidates. Maximal degree in co-relation 372686. Up to 20887 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 165 locations, 7 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: 792.4s, OverallIterations: 14, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 784.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1298 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1298 mSDsluCounter, 1831 SdHoareTripleChecker+Invalid, 2.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1437 mSDsCounter, 168 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2455 IncrementalHoareTripleChecker+Invalid, 2623 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 168 mSolverCounterUnsat, 394 mSDtfsCounter, 2455 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 252 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 223 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 763 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=363955occurred in iteration=13, InterpolantAutomatonStates: 191, 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: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 7.1s InterpolantComputationTime, 1207 NumberOfCodeBlocks, 1207 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1193 ConstructedInterpolants, 0 QuantifiedInterpolants, 7336 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 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