/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithDisjunctivePredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/ldv-races/race-2_5-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 06:47:10,489 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 06:47:10,491 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 06:47:10,539 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 06:47:10,539 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 06:47:10,542 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 06:47:10,546 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 06:47:10,550 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 06:47:10,556 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 06:47:10,559 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 06:47:10,560 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 06:47:10,561 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 06:47:10,561 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 06:47:10,561 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 06:47:10,562 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 06:47:10,563 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 06:47:10,563 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 06:47:10,564 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 06:47:10,565 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 06:47:10,566 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 06:47:10,567 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 06:47:10,569 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 06:47:10,569 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 06:47:10,570 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 06:47:10,581 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 06:47:10,582 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 06:47:10,582 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 06:47:10,583 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 06:47:10,583 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 06:47:10,583 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 06:47:10,584 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 06:47:10,589 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 06:47:10,590 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 06:47:10,591 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 06:47:10,591 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 06:47:10,592 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 06:47:10,592 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 06:47:10,592 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 06:47:10,592 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 06:47:10,593 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 06:47:10,594 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 06:47:10,595 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithDisjunctivePredicates.epf [2022-12-06 06:47:10,627 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 06:47:10,628 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 06:47:10,629 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 06:47:10,629 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 06:47:10,629 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 06:47:10,629 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 06:47:10,629 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 06:47:10,629 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 06:47:10,629 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 06:47:10,629 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 06:47:10,629 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 06:47:10,630 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 06:47:10,630 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 06:47:10,630 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 06:47:10,630 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 06:47:10,630 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 06:47:10,630 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 06:47:10,630 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 06:47:10,630 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 06:47:10,630 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 06:47:10,630 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 06:47:10,631 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 06:47:10,631 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 06:47:10,631 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 06:47:10,631 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 06:47:10,631 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 06:47:10,631 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 06:47:10,631 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 06:47:10,631 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-06 06:47:11,058 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 06:47:11,092 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 06:47:11,094 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 06:47:11,095 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 06:47:11,095 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 06:47:11,096 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_5-container_of.i [2022-12-06 06:47:12,245 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 06:47:12,618 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 06:47:12,619 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_5-container_of.i [2022-12-06 06:47:12,637 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bff2a7e8b/dc92d50653a74e3c938e5f556fbd8b0d/FLAG54af851ee [2022-12-06 06:47:12,656 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bff2a7e8b/dc92d50653a74e3c938e5f556fbd8b0d [2022-12-06 06:47:12,658 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 06:47:12,660 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 06:47:12,661 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 06:47:12,661 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 06:47:12,663 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 06:47:12,664 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:47:12" (1/1) ... [2022-12-06 06:47:12,665 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d7642ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:47:12, skipping insertion in model container [2022-12-06 06:47:12,665 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:47:12" (1/1) ... [2022-12-06 06:47:12,670 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 06:47:12,717 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 06:47:12,840 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-06 06:47:13,203 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_5-container_of.i[75002,75015] [2022-12-06 06:47:13,209 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:47:13,209 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:47:13,210 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:47:13,210 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:47:13,210 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:47:13,211 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:47:13,228 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:47:13,228 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:47:13,228 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:47:13,229 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:47:13,229 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:47:13,229 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:47:13,229 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:47:13,230 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:47:13,238 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 06:47:13,249 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 06:47:13,256 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-06 06:47:13,282 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_5-container_of.i[75002,75015] [2022-12-06 06:47:13,283 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:47:13,283 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:47:13,284 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:47:13,284 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:47:13,284 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:47:13,285 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:47:13,298 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:47:13,299 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:47:13,299 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:47:13,299 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:47:13,299 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:47:13,299 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:47:13,300 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:47:13,300 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:47:13,302 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 06:47:13,409 INFO L208 MainTranslator]: Completed translation [2022-12-06 06:47:13,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:47:13 WrapperNode [2022-12-06 06:47:13,410 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 06:47:13,411 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 06:47:13,412 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 06:47:13,412 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 06:47:13,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:47:13" (1/1) ... [2022-12-06 06:47:13,448 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:47:13" (1/1) ... [2022-12-06 06:47:13,488 INFO L138 Inliner]: procedures = 469, calls = 63, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 143 [2022-12-06 06:47:13,489 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 06:47:13,490 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 06:47:13,490 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 06:47:13,490 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 06:47:13,496 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:47:13" (1/1) ... [2022-12-06 06:47:13,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:47:13" (1/1) ... [2022-12-06 06:47:13,511 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:47:13" (1/1) ... [2022-12-06 06:47:13,512 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:47:13" (1/1) ... [2022-12-06 06:47:13,525 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:47:13" (1/1) ... [2022-12-06 06:47:13,527 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:47:13" (1/1) ... [2022-12-06 06:47:13,529 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:47:13" (1/1) ... [2022-12-06 06:47:13,531 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:47:13" (1/1) ... [2022-12-06 06:47:13,551 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 06:47:13,552 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 06:47:13,552 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 06:47:13,552 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 06:47:13,555 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:47:13" (1/1) ... [2022-12-06 06:47:13,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 06:47:13,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 06:47:13,612 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-06 06:47:13,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-06 06:47:13,668 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-06 06:47:13,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 06:47:13,670 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-06 06:47:13,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-06 06:47:13,670 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-06 06:47:13,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 06:47:13,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-06 06:47:13,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 06:47:13,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 06:47:13,671 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2022-12-06 06:47:13,671 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2022-12-06 06:47:13,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 06:47:13,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 06:47:13,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 06:47:13,672 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-06 06:47:13,964 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 06:47:13,965 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 06:47:14,199 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 06:47:14,254 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 06:47:14,254 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-06 06:47:14,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:47:14 BoogieIcfgContainer [2022-12-06 06:47:14,256 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 06:47:14,257 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 06:47:14,257 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 06:47:14,260 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 06:47:14,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 06:47:12" (1/3) ... [2022-12-06 06:47:14,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fa273c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 06:47:14, skipping insertion in model container [2022-12-06 06:47:14,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:47:13" (2/3) ... [2022-12-06 06:47:14,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fa273c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 06:47:14, skipping insertion in model container [2022-12-06 06:47:14,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:47:14" (3/3) ... [2022-12-06 06:47:14,263 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_5-container_of.i [2022-12-06 06:47:14,277 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 06:47:14,278 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-12-06 06:47:14,278 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 06:47:14,329 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-06 06:47:14,363 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 158 places, 158 transitions, 332 flow [2022-12-06 06:47:14,437 INFO L130 PetriNetUnfolder]: 8/196 cut-off events. [2022-12-06 06:47:14,437 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-06 06:47:14,442 INFO L83 FinitePrefix]: Finished finitePrefix Result has 205 conditions, 196 events. 8/196 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 344 event pairs, 0 based on Foata normal form. 0/178 useless extension candidates. Maximal degree in co-relation 103. Up to 4 conditions per place. [2022-12-06 06:47:14,443 INFO L82 GeneralOperation]: Start removeDead. Operand has 158 places, 158 transitions, 332 flow [2022-12-06 06:47:14,448 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 148 places, 146 transitions, 304 flow [2022-12-06 06:47:14,449 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:47:14,464 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 148 places, 146 transitions, 304 flow [2022-12-06 06:47:14,470 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 148 places, 146 transitions, 304 flow [2022-12-06 06:47:14,511 INFO L130 PetriNetUnfolder]: 5/177 cut-off events. [2022-12-06 06:47:14,512 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-06 06:47:14,514 INFO L83 FinitePrefix]: Finished finitePrefix Result has 186 conditions, 177 events. 5/177 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 292 event pairs, 0 based on Foata normal form. 0/164 useless extension candidates. Maximal degree in co-relation 93. Up to 4 conditions per place. [2022-12-06 06:47:14,517 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 148 places, 146 transitions, 304 flow [2022-12-06 06:47:14,517 INFO L188 LiptonReduction]: Number of co-enabled transitions 2548 [2022-12-06 06:47:14,625 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:14,627 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:14,628 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:14,629 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:28,338 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:28,356 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:28,360 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:28,362 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:30,793 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:30,794 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:30,795 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:30,796 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:30,838 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:30,839 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:30,840 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:30,841 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:35,554 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:35,555 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:35,556 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:35,557 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:37,945 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:37,946 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:37,951 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:37,952 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:40,507 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:40,508 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:40,510 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:40,510 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:40,657 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:40,658 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:40,659 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:40,659 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:45,356 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:45,357 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:45,358 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:45,359 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:46,202 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:46,203 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:46,205 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:46,205 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:51,750 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:51,751 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2022-12-06 06:47:51,753 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:51,754 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2022-12-06 06:47:51,757 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:51,758 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:51,761 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:51,761 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:51,764 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:51,764 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:51,772 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:51,773 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:51,778 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:51,779 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:51,781 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:51,782 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:51,785 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:51,785 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:51,787 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:51,788 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:55,276 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:55,277 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-06 06:47:55,282 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:55,282 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:55,284 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:55,285 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-06 06:47:55,287 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:55,288 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:55,307 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:55,308 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:55,314 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:55,316 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:55,321 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:55,322 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-06 06:47:55,326 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:55,327 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:55,331 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:55,332 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-06 06:47:55,335 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:55,336 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:57,775 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:57,776 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:57,777 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:57,778 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:57,813 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:57,814 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:57,815 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:57,816 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:57,958 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:57,959 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-06 06:47:57,962 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:57,963 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2022-12-06 06:47:57,966 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:57,967 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:57,972 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:57,972 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-06 06:47:57,976 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:57,977 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2022-12-06 06:47:57,979 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:57,980 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:57,989 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:57,990 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-06 06:47:57,993 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:57,995 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:57,998 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:57,998 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-06 06:47:58,001 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:58,001 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:48:08,945 INFO L203 LiptonReduction]: Total number of compositions: 112 [2022-12-06 06:48:08,956 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 06:48:08,961 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=REPEATED_LIPTON_PN, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@76cf4ba1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 06:48:08,961 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-12-06 06:48:08,965 INFO L130 PetriNetUnfolder]: 0/9 cut-off events. [2022-12-06 06:48:08,965 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 06:48:08,965 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:48:08,965 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2022-12-06 06:48:08,966 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-12-06 06:48:08,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:48:08,969 INFO L85 PathProgramCache]: Analyzing trace with hash 566858, now seen corresponding path program 1 times [2022-12-06 06:48:08,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:48:08,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63192286] [2022-12-06 06:48:08,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:48:08,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:48:09,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:48:09,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:48:09,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:48:09,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63192286] [2022-12-06 06:48:09,213 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63192286] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:48:09,213 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:48:09,213 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-06 06:48:09,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409471549] [2022-12-06 06:48:09,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:48:09,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-06 06:48:09,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:48:09,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-06 06:48:09,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-06 06:48:09,242 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 39 [2022-12-06 06:48:09,242 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 39 transitions, 90 flow. Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:48:09,243 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:48:09,243 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 39 [2022-12-06 06:48:09,243 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:48:09,403 INFO L130 PetriNetUnfolder]: 353/693 cut-off events. [2022-12-06 06:48:09,404 INFO L131 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2022-12-06 06:48:09,409 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1336 conditions, 693 events. 353/693 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 3692 event pairs, 352 based on Foata normal form. 31/560 useless extension candidates. Maximal degree in co-relation 1146. Up to 621 conditions per place. [2022-12-06 06:48:09,415 INFO L137 encePairwiseOnDemand]: 38/39 looper letters, 31 selfloop transitions, 0 changer transitions 0/38 dead transitions. [2022-12-06 06:48:09,415 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 38 transitions, 150 flow [2022-12-06 06:48:09,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-06 06:48:09,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-06 06:48:09,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 46 transitions. [2022-12-06 06:48:09,425 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5897435897435898 [2022-12-06 06:48:09,426 INFO L175 Difference]: Start difference. First operand has 43 places, 39 transitions, 90 flow. Second operand 2 states and 46 transitions. [2022-12-06 06:48:09,427 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 38 transitions, 150 flow [2022-12-06 06:48:09,429 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 38 transitions, 142 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-06 06:48:09,430 INFO L231 Difference]: Finished difference. Result has 40 places, 38 transitions, 80 flow [2022-12-06 06:48:09,432 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=80, PETRI_PLACES=40, PETRI_TRANSITIONS=38} [2022-12-06 06:48:09,434 INFO L294 CegarLoopForPetriNet]: 43 programPoint places, -3 predicate places. [2022-12-06 06:48:09,434 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:48:09,435 INFO L89 Accepts]: Start accepts. Operand has 40 places, 38 transitions, 80 flow [2022-12-06 06:48:09,436 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:48:09,437 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:48:09,437 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 38 transitions, 80 flow [2022-12-06 06:48:09,445 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 39 places, 38 transitions, 80 flow [2022-12-06 06:48:09,449 INFO L130 PetriNetUnfolder]: 1/44 cut-off events. [2022-12-06 06:48:09,450 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 06:48:09,450 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 44 events. 1/44 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 87 event pairs, 0 based on Foata normal form. 0/33 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2022-12-06 06:48:09,450 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 38 transitions, 80 flow [2022-12-06 06:48:09,450 INFO L188 LiptonReduction]: Number of co-enabled transitions 372 [2022-12-06 06:48:13,917 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:48:13,918 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:48:13,920 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:48:13,921 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:48:20,802 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-06 06:48:20,803 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 11369 [2022-12-06 06:48:20,803 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 37 transitions, 78 flow [2022-12-06 06:48:20,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:48:20,804 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:48:20,804 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2022-12-06 06:48:20,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 06:48:20,804 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-12-06 06:48:20,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:48:20,807 INFO L85 PathProgramCache]: Analyzing trace with hash 17567358, now seen corresponding path program 1 times [2022-12-06 06:48:20,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:48:20,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202008162] [2022-12-06 06:48:20,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:48:20,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:48:20,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:48:21,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:48:21,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:48:21,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202008162] [2022-12-06 06:48:21,166 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202008162] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:48:21,166 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:48:21,167 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 06:48:21,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991834286] [2022-12-06 06:48:21,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:48:21,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 06:48:21,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:48:21,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 06:48:21,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 06:48:21,170 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 37 [2022-12-06 06:48:21,170 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 37 transitions, 78 flow. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:48:21,170 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:48:21,170 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 37 [2022-12-06 06:48:21,170 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:48:21,402 INFO L130 PetriNetUnfolder]: 897/1527 cut-off events. [2022-12-06 06:48:21,402 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-06 06:48:21,403 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3064 conditions, 1527 events. 897/1527 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 7558 event pairs, 450 based on Foata normal form. 0/1271 useless extension candidates. Maximal degree in co-relation 235. Up to 1063 conditions per place. [2022-12-06 06:48:21,407 INFO L137 encePairwiseOnDemand]: 29/37 looper letters, 45 selfloop transitions, 7 changer transitions 0/52 dead transitions. [2022-12-06 06:48:21,407 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 52 transitions, 212 flow [2022-12-06 06:48:21,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 06:48:21,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 06:48:21,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 53 transitions. [2022-12-06 06:48:21,409 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.4774774774774775 [2022-12-06 06:48:21,409 INFO L175 Difference]: Start difference. First operand has 38 places, 37 transitions, 78 flow. Second operand 3 states and 53 transitions. [2022-12-06 06:48:21,409 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 52 transitions, 212 flow [2022-12-06 06:48:21,410 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 52 transitions, 212 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-06 06:48:21,411 INFO L231 Difference]: Finished difference. Result has 42 places, 42 transitions, 128 flow [2022-12-06 06:48:21,411 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=128, PETRI_PLACES=42, PETRI_TRANSITIONS=42} [2022-12-06 06:48:21,412 INFO L294 CegarLoopForPetriNet]: 43 programPoint places, -1 predicate places. [2022-12-06 06:48:21,412 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:48:21,412 INFO L89 Accepts]: Start accepts. Operand has 42 places, 42 transitions, 128 flow [2022-12-06 06:48:21,412 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:48:21,412 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:48:21,412 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 42 transitions, 128 flow [2022-12-06 06:48:21,413 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 42 places, 42 transitions, 128 flow [2022-12-06 06:48:21,425 INFO L130 PetriNetUnfolder]: 51/189 cut-off events. [2022-12-06 06:48:21,425 INFO L131 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2022-12-06 06:48:21,425 INFO L83 FinitePrefix]: Finished finitePrefix Result has 340 conditions, 189 events. 51/189 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 910 event pairs, 20 based on Foata normal form. 0/177 useless extension candidates. Maximal degree in co-relation 76. Up to 75 conditions per place. [2022-12-06 06:48:21,426 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 42 transitions, 128 flow [2022-12-06 06:48:21,426 INFO L188 LiptonReduction]: Number of co-enabled transitions 404 [2022-12-06 06:48:25,751 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 06:48:25,752 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 4340 [2022-12-06 06:48:25,752 INFO L495 AbstractCegarLoop]: Abstraction has has 42 places, 42 transitions, 128 flow [2022-12-06 06:48:25,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:48:25,752 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:48:25,752 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2022-12-06 06:48:25,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 06:48:25,753 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-12-06 06:48:25,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:48:25,753 INFO L85 PathProgramCache]: Analyzing trace with hash 544588664, now seen corresponding path program 1 times [2022-12-06 06:48:25,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:48:25,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107216320] [2022-12-06 06:48:25,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:48:25,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:48:25,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:48:26,046 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 06:48:26,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:48:26,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107216320] [2022-12-06 06:48:26,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107216320] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:48:26,047 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:48:26,047 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 06:48:26,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940596937] [2022-12-06 06:48:26,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:48:26,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 06:48:26,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:48:26,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 06:48:26,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 06:48:26,049 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 37 [2022-12-06 06:48:26,049 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 42 transitions, 128 flow. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:48:26,049 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:48:26,049 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 37 [2022-12-06 06:48:26,049 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:48:26,359 INFO L130 PetriNetUnfolder]: 1037/1777 cut-off events. [2022-12-06 06:48:26,359 INFO L131 PetriNetUnfolder]: For 558/558 co-relation queries the response was YES. [2022-12-06 06:48:26,362 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4474 conditions, 1777 events. 1037/1777 cut-off events. For 558/558 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 9281 event pairs, 614 based on Foata normal form. 50/1644 useless extension candidates. Maximal degree in co-relation 1114. Up to 1358 conditions per place. [2022-12-06 06:48:26,370 INFO L137 encePairwiseOnDemand]: 31/37 looper letters, 49 selfloop transitions, 9 changer transitions 2/60 dead transitions. [2022-12-06 06:48:26,370 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 60 transitions, 314 flow [2022-12-06 06:48:26,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 06:48:26,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 06:48:26,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 52 transitions. [2022-12-06 06:48:26,371 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.46846846846846846 [2022-12-06 06:48:26,371 INFO L175 Difference]: Start difference. First operand has 42 places, 42 transitions, 128 flow. Second operand 3 states and 52 transitions. [2022-12-06 06:48:26,372 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 60 transitions, 314 flow [2022-12-06 06:48:26,376 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 60 transitions, 290 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-06 06:48:26,377 INFO L231 Difference]: Finished difference. Result has 43 places, 48 transitions, 185 flow [2022-12-06 06:48:26,377 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=114, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=185, PETRI_PLACES=43, PETRI_TRANSITIONS=48} [2022-12-06 06:48:26,378 INFO L294 CegarLoopForPetriNet]: 43 programPoint places, 0 predicate places. [2022-12-06 06:48:26,378 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:48:26,378 INFO L89 Accepts]: Start accepts. Operand has 43 places, 48 transitions, 185 flow [2022-12-06 06:48:26,379 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:48:26,379 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:48:26,380 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 43 places, 48 transitions, 185 flow [2022-12-06 06:48:26,382 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 43 places, 48 transitions, 185 flow [2022-12-06 06:48:26,410 INFO L130 PetriNetUnfolder]: 114/293 cut-off events. [2022-12-06 06:48:26,411 INFO L131 PetriNetUnfolder]: For 131/133 co-relation queries the response was YES. [2022-12-06 06:48:26,411 INFO L83 FinitePrefix]: Finished finitePrefix Result has 702 conditions, 293 events. 114/293 cut-off events. For 131/133 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1443 event pairs, 19 based on Foata normal form. 0/266 useless extension candidates. Maximal degree in co-relation 178. Up to 155 conditions per place. [2022-12-06 06:48:26,413 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 43 places, 48 transitions, 185 flow [2022-12-06 06:48:26,413 INFO L188 LiptonReduction]: Number of co-enabled transitions 428 [2022-12-06 06:48:26,426 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:48:26,427 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:48:26,428 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:48:26,428 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:48:26,606 INFO L203 LiptonReduction]: Total number of compositions: 2 [2022-12-06 06:48:26,607 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 229 [2022-12-06 06:48:26,607 INFO L495 AbstractCegarLoop]: Abstraction has has 42 places, 47 transitions, 186 flow [2022-12-06 06:48:26,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:48:26,607 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:48:26,607 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 06:48:26,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-06 06:48:26,607 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-12-06 06:48:26,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:48:26,608 INFO L85 PathProgramCache]: Analyzing trace with hash -1995558433, now seen corresponding path program 1 times [2022-12-06 06:48:26,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:48:26,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414582553] [2022-12-06 06:48:26,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:48:26,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:48:26,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:48:26,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:48:26,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:48:26,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414582553] [2022-12-06 06:48:26,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414582553] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:48:26,661 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:48:26,662 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 06:48:26,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521882117] [2022-12-06 06:48:26,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:48:26,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-06 06:48:26,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:48:26,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-06 06:48:26,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-06 06:48:26,664 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 35 [2022-12-06 06:48:26,664 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 47 transitions, 186 flow. Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:48:26,665 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:48:26,665 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 35 [2022-12-06 06:48:26,665 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:48:26,719 INFO L130 PetriNetUnfolder]: 119/269 cut-off events. [2022-12-06 06:48:26,742 INFO L131 PetriNetUnfolder]: For 110/128 co-relation queries the response was YES. [2022-12-06 06:48:26,743 INFO L83 FinitePrefix]: Finished finitePrefix Result has 597 conditions, 269 events. 119/269 cut-off events. For 110/128 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1028 event pairs, 119 based on Foata normal form. 41/257 useless extension candidates. Maximal degree in co-relation 592. Up to 226 conditions per place. [2022-12-06 06:48:26,744 INFO L137 encePairwiseOnDemand]: 34/35 looper letters, 22 selfloop transitions, 0 changer transitions 1/29 dead transitions. [2022-12-06 06:48:26,744 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 29 transitions, 124 flow [2022-12-06 06:48:26,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-06 06:48:26,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-06 06:48:26,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 38 transitions. [2022-12-06 06:48:26,747 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5428571428571428 [2022-12-06 06:48:26,747 INFO L175 Difference]: Start difference. First operand has 42 places, 47 transitions, 186 flow. Second operand 2 states and 38 transitions. [2022-12-06 06:48:26,747 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 29 transitions, 124 flow [2022-12-06 06:48:26,748 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 29 transitions, 116 flow, removed 4 selfloop flow, removed 1 redundant places. [2022-12-06 06:48:26,750 INFO L231 Difference]: Finished difference. Result has 35 places, 28 transitions, 68 flow [2022-12-06 06:48:26,750 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=35, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=68, PETRI_PLACES=35, PETRI_TRANSITIONS=28} [2022-12-06 06:48:26,751 INFO L294 CegarLoopForPetriNet]: 43 programPoint places, -8 predicate places. [2022-12-06 06:48:26,751 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:48:26,751 INFO L89 Accepts]: Start accepts. Operand has 35 places, 28 transitions, 68 flow [2022-12-06 06:48:26,752 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:48:26,752 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:48:26,752 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 35 places, 28 transitions, 68 flow [2022-12-06 06:48:26,753 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 32 places, 28 transitions, 68 flow [2022-12-06 06:48:26,759 INFO L130 PetriNetUnfolder]: 4/58 cut-off events. [2022-12-06 06:48:26,759 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 06:48:26,760 INFO L83 FinitePrefix]: Finished finitePrefix Result has 74 conditions, 58 events. 4/58 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 134 event pairs, 4 based on Foata normal form. 0/49 useless extension candidates. Maximal degree in co-relation 35. Up to 13 conditions per place. [2022-12-06 06:48:26,760 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 32 places, 28 transitions, 68 flow [2022-12-06 06:48:26,760 INFO L188 LiptonReduction]: Number of co-enabled transitions 202 [2022-12-06 06:48:26,766 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 06:48:26,769 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 18 [2022-12-06 06:48:26,770 INFO L495 AbstractCegarLoop]: Abstraction has has 32 places, 28 transitions, 68 flow [2022-12-06 06:48:26,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:48:26,770 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:48:26,770 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 06:48:26,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-06 06:48:26,770 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-12-06 06:48:26,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:48:26,771 INFO L85 PathProgramCache]: Analyzing trace with hash -281828421, now seen corresponding path program 1 times [2022-12-06 06:48:26,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:48:26,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304292113] [2022-12-06 06:48:26,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:48:26,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:48:26,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:48:26,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:48:26,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:48:26,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304292113] [2022-12-06 06:48:26,997 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304292113] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:48:26,997 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:48:26,997 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 06:48:26,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172354357] [2022-12-06 06:48:26,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:48:26,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 06:48:26,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:48:26,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 06:48:26,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 06:48:26,998 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 28 [2022-12-06 06:48:26,999 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 28 transitions, 68 flow. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:48:26,999 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:48:26,999 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 28 [2022-12-06 06:48:26,999 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:48:27,074 INFO L130 PetriNetUnfolder]: 178/363 cut-off events. [2022-12-06 06:48:27,074 INFO L131 PetriNetUnfolder]: For 42/42 co-relation queries the response was YES. [2022-12-06 06:48:27,074 INFO L83 FinitePrefix]: Finished finitePrefix Result has 815 conditions, 363 events. 178/363 cut-off events. For 42/42 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1245 event pairs, 125 based on Foata normal form. 0/326 useless extension candidates. Maximal degree in co-relation 140. Up to 293 conditions per place. [2022-12-06 06:48:27,076 INFO L137 encePairwiseOnDemand]: 21/28 looper letters, 36 selfloop transitions, 6 changer transitions 0/42 dead transitions. [2022-12-06 06:48:27,076 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 42 transitions, 185 flow [2022-12-06 06:48:27,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 06:48:27,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 06:48:27,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 43 transitions. [2022-12-06 06:48:27,077 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5119047619047619 [2022-12-06 06:48:27,077 INFO L175 Difference]: Start difference. First operand has 32 places, 28 transitions, 68 flow. Second operand 3 states and 43 transitions. [2022-12-06 06:48:27,077 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 42 transitions, 185 flow [2022-12-06 06:48:27,078 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 42 transitions, 185 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-06 06:48:27,079 INFO L231 Difference]: Finished difference. Result has 36 places, 33 transitions, 118 flow [2022-12-06 06:48:27,079 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=118, PETRI_PLACES=36, PETRI_TRANSITIONS=33} [2022-12-06 06:48:27,081 INFO L294 CegarLoopForPetriNet]: 43 programPoint places, -7 predicate places. [2022-12-06 06:48:27,081 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:48:27,081 INFO L89 Accepts]: Start accepts. Operand has 36 places, 33 transitions, 118 flow [2022-12-06 06:48:27,081 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:48:27,082 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:48:27,082 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 33 transitions, 118 flow [2022-12-06 06:48:27,082 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 36 places, 33 transitions, 118 flow [2022-12-06 06:48:27,088 INFO L130 PetriNetUnfolder]: 11/73 cut-off events. [2022-12-06 06:48:27,088 INFO L131 PetriNetUnfolder]: For 20/20 co-relation queries the response was YES. [2022-12-06 06:48:27,088 INFO L83 FinitePrefix]: Finished finitePrefix Result has 136 conditions, 73 events. 11/73 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 215 event pairs, 5 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 54. Up to 20 conditions per place. [2022-12-06 06:48:27,088 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 33 transitions, 118 flow [2022-12-06 06:48:27,088 INFO L188 LiptonReduction]: Number of co-enabled transitions 198 [2022-12-06 06:48:33,643 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 06:48:33,644 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 6563 [2022-12-06 06:48:33,644 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 33 transitions, 118 flow [2022-12-06 06:48:33,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:48:33,644 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:48:33,645 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 06:48:33,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-06 06:48:33,645 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-12-06 06:48:33,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:48:33,645 INFO L85 PathProgramCache]: Analyzing trace with hash -1239284489, now seen corresponding path program 1 times [2022-12-06 06:48:33,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:48:33,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539929841] [2022-12-06 06:48:33,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:48:33,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:48:33,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:48:33,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:48:33,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:48:33,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539929841] [2022-12-06 06:48:33,855 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539929841] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:48:33,855 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:48:33,855 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 06:48:33,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634993919] [2022-12-06 06:48:33,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:48:33,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 06:48:33,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:48:33,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 06:48:33,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 06:48:33,856 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 28 [2022-12-06 06:48:33,856 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 33 transitions, 118 flow. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:48:33,856 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:48:33,856 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 28 [2022-12-06 06:48:33,856 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:48:33,947 INFO L130 PetriNetUnfolder]: 188/391 cut-off events. [2022-12-06 06:48:33,947 INFO L131 PetriNetUnfolder]: For 160/160 co-relation queries the response was YES. [2022-12-06 06:48:33,948 INFO L83 FinitePrefix]: Finished finitePrefix Result has 993 conditions, 391 events. 188/391 cut-off events. For 160/160 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1401 event pairs, 135 based on Foata normal form. 0/361 useless extension candidates. Maximal degree in co-relation 563. Up to 314 conditions per place. [2022-12-06 06:48:33,949 INFO L137 encePairwiseOnDemand]: 21/28 looper letters, 36 selfloop transitions, 9 changer transitions 2/47 dead transitions. [2022-12-06 06:48:33,949 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 47 transitions, 267 flow [2022-12-06 06:48:33,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 06:48:33,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 06:48:33,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 42 transitions. [2022-12-06 06:48:33,952 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5 [2022-12-06 06:48:33,952 INFO L175 Difference]: Start difference. First operand has 36 places, 33 transitions, 118 flow. Second operand 3 states and 42 transitions. [2022-12-06 06:48:33,952 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 47 transitions, 267 flow [2022-12-06 06:48:33,953 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 47 transitions, 241 flow, removed 4 selfloop flow, removed 2 redundant places. [2022-12-06 06:48:33,953 INFO L231 Difference]: Finished difference. Result has 38 places, 38 transitions, 174 flow [2022-12-06 06:48:33,953 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=174, PETRI_PLACES=38, PETRI_TRANSITIONS=38} [2022-12-06 06:48:33,955 INFO L294 CegarLoopForPetriNet]: 43 programPoint places, -5 predicate places. [2022-12-06 06:48:33,955 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:48:33,955 INFO L89 Accepts]: Start accepts. Operand has 38 places, 38 transitions, 174 flow [2022-12-06 06:48:33,957 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:48:33,957 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:48:33,957 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 38 places, 38 transitions, 174 flow [2022-12-06 06:48:33,958 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 37 places, 38 transitions, 174 flow [2022-12-06 06:48:33,965 INFO L130 PetriNetUnfolder]: 23/104 cut-off events. [2022-12-06 06:48:33,966 INFO L131 PetriNetUnfolder]: For 74/74 co-relation queries the response was YES. [2022-12-06 06:48:33,966 INFO L83 FinitePrefix]: Finished finitePrefix Result has 243 conditions, 104 events. 23/104 cut-off events. For 74/74 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 368 event pairs, 4 based on Foata normal form. 0/96 useless extension candidates. Maximal degree in co-relation 74. Up to 36 conditions per place. [2022-12-06 06:48:33,966 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 38 transitions, 174 flow [2022-12-06 06:48:33,966 INFO L188 LiptonReduction]: Number of co-enabled transitions 156 [2022-12-06 06:48:34,038 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-06 06:48:34,038 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 83 [2022-12-06 06:48:34,038 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 38 transitions, 178 flow [2022-12-06 06:48:34,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:48:34,039 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:48:34,039 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 06:48:34,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-06 06:48:34,039 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-12-06 06:48:34,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:48:34,039 INFO L85 PathProgramCache]: Analyzing trace with hash -1398879766, now seen corresponding path program 1 times [2022-12-06 06:48:34,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:48:34,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201257146] [2022-12-06 06:48:34,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:48:34,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:48:34,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:48:34,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:48:34,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:48:34,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201257146] [2022-12-06 06:48:34,668 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201257146] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:48:34,668 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:48:34,668 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-06 06:48:34,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500582816] [2022-12-06 06:48:34,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:48:34,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-06 06:48:34,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:48:34,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-06 06:48:34,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-06 06:48:34,669 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 28 [2022-12-06 06:48:34,670 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 38 transitions, 178 flow. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:48:34,670 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:48:34,670 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 28 [2022-12-06 06:48:34,670 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:48:34,810 INFO L130 PetriNetUnfolder]: 140/328 cut-off events. [2022-12-06 06:48:34,810 INFO L131 PetriNetUnfolder]: For 171/175 co-relation queries the response was YES. [2022-12-06 06:48:34,811 INFO L83 FinitePrefix]: Finished finitePrefix Result has 868 conditions, 328 events. 140/328 cut-off events. For 171/175 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1376 event pairs, 53 based on Foata normal form. 10/322 useless extension candidates. Maximal degree in co-relation 526. Up to 166 conditions per place. [2022-12-06 06:48:34,812 INFO L137 encePairwiseOnDemand]: 21/28 looper letters, 40 selfloop transitions, 7 changer transitions 0/54 dead transitions. [2022-12-06 06:48:34,812 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 54 transitions, 317 flow [2022-12-06 06:48:34,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-06 06:48:34,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-06 06:48:34,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 65 transitions. [2022-12-06 06:48:34,813 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.3869047619047619 [2022-12-06 06:48:34,813 INFO L175 Difference]: Start difference. First operand has 37 places, 38 transitions, 178 flow. Second operand 6 states and 65 transitions. [2022-12-06 06:48:34,813 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 54 transitions, 317 flow [2022-12-06 06:48:34,815 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 54 transitions, 295 flow, removed 1 selfloop flow, removed 2 redundant places. [2022-12-06 06:48:34,816 INFO L231 Difference]: Finished difference. Result has 42 places, 42 transitions, 193 flow [2022-12-06 06:48:34,817 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=156, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=193, PETRI_PLACES=42, PETRI_TRANSITIONS=42} [2022-12-06 06:48:34,817 INFO L294 CegarLoopForPetriNet]: 43 programPoint places, -1 predicate places. [2022-12-06 06:48:34,817 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:48:34,818 INFO L89 Accepts]: Start accepts. Operand has 42 places, 42 transitions, 193 flow [2022-12-06 06:48:34,818 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:48:34,818 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:48:34,818 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 42 transitions, 193 flow [2022-12-06 06:48:34,819 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 42 places, 42 transitions, 193 flow [2022-12-06 06:48:34,827 INFO L130 PetriNetUnfolder]: 27/121 cut-off events. [2022-12-06 06:48:34,827 INFO L131 PetriNetUnfolder]: For 51/51 co-relation queries the response was YES. [2022-12-06 06:48:34,828 INFO L83 FinitePrefix]: Finished finitePrefix Result has 283 conditions, 121 events. 27/121 cut-off events. For 51/51 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 459 event pairs, 4 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 179. Up to 38 conditions per place. [2022-12-06 06:48:34,828 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 42 transitions, 193 flow [2022-12-06 06:48:34,828 INFO L188 LiptonReduction]: Number of co-enabled transitions 154 [2022-12-06 06:48:34,838 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:48:34,847 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:48:34,848 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:48:34,849 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:48:37,420 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-06 06:48:37,421 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 2604 [2022-12-06 06:48:37,421 INFO L495 AbstractCegarLoop]: Abstraction has has 41 places, 41 transitions, 195 flow [2022-12-06 06:48:37,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:48:37,422 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:48:37,422 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 06:48:37,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-06 06:48:37,422 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-12-06 06:48:37,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:48:37,422 INFO L85 PathProgramCache]: Analyzing trace with hash -146483445, now seen corresponding path program 1 times [2022-12-06 06:48:37,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:48:37,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605800824] [2022-12-06 06:48:37,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:48:37,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:48:37,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:48:38,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:48:38,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:48:38,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605800824] [2022-12-06 06:48:38,025 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605800824] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:48:38,025 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:48:38,025 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-06 06:48:38,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396620859] [2022-12-06 06:48:38,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:48:38,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-06 06:48:38,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:48:38,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-06 06:48:38,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-06 06:48:38,026 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 29 [2022-12-06 06:48:38,026 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 41 transitions, 195 flow. Second operand has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:48:38,026 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:48:38,026 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 29 [2022-12-06 06:48:38,027 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:48:38,192 INFO L130 PetriNetUnfolder]: 146/323 cut-off events. [2022-12-06 06:48:38,192 INFO L131 PetriNetUnfolder]: For 287/287 co-relation queries the response was YES. [2022-12-06 06:48:38,193 INFO L83 FinitePrefix]: Finished finitePrefix Result has 993 conditions, 323 events. 146/323 cut-off events. For 287/287 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1248 event pairs, 30 based on Foata normal form. 0/308 useless extension candidates. Maximal degree in co-relation 492. Up to 164 conditions per place. [2022-12-06 06:48:38,194 INFO L137 encePairwiseOnDemand]: 19/29 looper letters, 52 selfloop transitions, 15 changer transitions 0/67 dead transitions. [2022-12-06 06:48:38,194 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 67 transitions, 442 flow [2022-12-06 06:48:38,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-06 06:48:38,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-06 06:48:38,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 54 transitions. [2022-12-06 06:48:38,195 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.3103448275862069 [2022-12-06 06:48:38,195 INFO L175 Difference]: Start difference. First operand has 41 places, 41 transitions, 195 flow. Second operand 6 states and 54 transitions. [2022-12-06 06:48:38,195 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 67 transitions, 442 flow [2022-12-06 06:48:38,196 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 67 transitions, 435 flow, removed 2 selfloop flow, removed 2 redundant places. [2022-12-06 06:48:38,197 INFO L231 Difference]: Finished difference. Result has 46 places, 44 transitions, 267 flow [2022-12-06 06:48:38,197 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=267, PETRI_PLACES=46, PETRI_TRANSITIONS=44} [2022-12-06 06:48:38,198 INFO L294 CegarLoopForPetriNet]: 43 programPoint places, 3 predicate places. [2022-12-06 06:48:38,198 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:48:38,198 INFO L89 Accepts]: Start accepts. Operand has 46 places, 44 transitions, 267 flow [2022-12-06 06:48:38,198 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:48:38,198 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:48:38,199 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 44 transitions, 267 flow [2022-12-06 06:48:38,199 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 46 places, 44 transitions, 267 flow [2022-12-06 06:48:38,208 INFO L130 PetriNetUnfolder]: 25/112 cut-off events. [2022-12-06 06:48:38,208 INFO L131 PetriNetUnfolder]: For 151/152 co-relation queries the response was YES. [2022-12-06 06:48:38,208 INFO L83 FinitePrefix]: Finished finitePrefix Result has 329 conditions, 112 events. 25/112 cut-off events. For 151/152 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 415 event pairs, 6 based on Foata normal form. 1/103 useless extension candidates. Maximal degree in co-relation 225. Up to 34 conditions per place. [2022-12-06 06:48:38,209 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 44 transitions, 267 flow [2022-12-06 06:48:38,209 INFO L188 LiptonReduction]: Number of co-enabled transitions 126 [2022-12-06 06:48:40,371 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 06:48:40,372 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 2174 [2022-12-06 06:48:40,372 INFO L495 AbstractCegarLoop]: Abstraction has has 46 places, 44 transitions, 267 flow [2022-12-06 06:48:40,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:48:40,372 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:48:40,372 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 06:48:40,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-06 06:48:40,373 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-12-06 06:48:40,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:48:40,373 INFO L85 PathProgramCache]: Analyzing trace with hash -146490843, now seen corresponding path program 1 times [2022-12-06 06:48:40,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:48:40,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312585603] [2022-12-06 06:48:40,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:48:40,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:48:40,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-06 06:48:40,430 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-06 06:48:40,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-06 06:48:40,473 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-06 06:48:40,474 INFO L373 BasicCegarLoop]: Counterexample is feasible [2022-12-06 06:48:40,474 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 8 remaining) [2022-12-06 06:48:40,475 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (6 of 8 remaining) [2022-12-06 06:48:40,476 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (5 of 8 remaining) [2022-12-06 06:48:40,476 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (4 of 8 remaining) [2022-12-06 06:48:40,476 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (3 of 8 remaining) [2022-12-06 06:48:40,476 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (2 of 8 remaining) [2022-12-06 06:48:40,476 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 8 remaining) [2022-12-06 06:48:40,476 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 8 remaining) [2022-12-06 06:48:40,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-06 06:48:40,476 INFO L458 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 06:48:40,479 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-06 06:48:40,480 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-06 06:48:40,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 06:48:40 BasicIcfg [2022-12-06 06:48:40,508 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-06 06:48:40,509 INFO L158 Benchmark]: Toolchain (without parser) took 87849.13ms. Allocated memory was 197.1MB in the beginning and 259.0MB in the end (delta: 61.9MB). Free memory was 170.4MB in the beginning and 175.0MB in the end (delta: -4.7MB). Peak memory consumption was 57.7MB. Max. memory is 8.0GB. [2022-12-06 06:48:40,509 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 197.1MB. Free memory is still 174.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 06:48:40,509 INFO L158 Benchmark]: CACSL2BoogieTranslator took 749.52ms. Allocated memory is still 197.1MB. Free memory was 170.4MB in the beginning and 114.3MB in the end (delta: 56.1MB). Peak memory consumption was 55.6MB. Max. memory is 8.0GB. [2022-12-06 06:48:40,509 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.59ms. Allocated memory is still 197.1MB. Free memory was 113.7MB in the beginning and 110.6MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-12-06 06:48:40,509 INFO L158 Benchmark]: Boogie Preprocessor took 61.30ms. Allocated memory is still 197.1MB. Free memory was 110.6MB in the beginning and 107.4MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-12-06 06:48:40,509 INFO L158 Benchmark]: RCFGBuilder took 704.21ms. Allocated memory was 197.1MB in the beginning and 259.0MB in the end (delta: 61.9MB). Free memory was 107.4MB in the beginning and 208.7MB in the end (delta: -101.2MB). Peak memory consumption was 6.8MB. Max. memory is 8.0GB. [2022-12-06 06:48:40,510 INFO L158 Benchmark]: TraceAbstraction took 86250.92ms. Allocated memory is still 259.0MB. Free memory was 208.2MB in the beginning and 175.0MB in the end (delta: 33.1MB). Peak memory consumption was 33.1MB. Max. memory is 8.0GB. [2022-12-06 06:48:40,510 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 197.1MB. Free memory is still 174.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 749.52ms. Allocated memory is still 197.1MB. Free memory was 170.4MB in the beginning and 114.3MB in the end (delta: 56.1MB). Peak memory consumption was 55.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 77.59ms. Allocated memory is still 197.1MB. Free memory was 113.7MB in the beginning and 110.6MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 61.30ms. Allocated memory is still 197.1MB. Free memory was 110.6MB in the beginning and 107.4MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 704.21ms. Allocated memory was 197.1MB in the beginning and 259.0MB in the end (delta: 61.9MB). Free memory was 107.4MB in the beginning and 208.7MB in the end (delta: -101.2MB). Peak memory consumption was 6.8MB. Max. memory is 8.0GB. * TraceAbstraction took 86250.92ms. Allocated memory is still 259.0MB. Free memory was 208.2MB in the beginning and 175.0MB in the end (delta: 33.1MB). Peak memory consumption was 33.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 54.4s, 148 PlacesBefore, 43 PlacesAfterwards, 146 TransitionsBefore, 39 TransitionsAfterwards, 2548 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 60 TrivialYvCompositions, 47 ConcurrentYvCompositions, 2 ChoiceCompositions, 112 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1794, independent: 1667, independent conditional: 1667, independent unconditional: 0, dependent: 69, dependent conditional: 69, dependent unconditional: 0, unknown: 58, unknown conditional: 58, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1794, independent: 1667, independent conditional: 0, independent unconditional: 1667, dependent: 69, dependent conditional: 0, dependent unconditional: 69, unknown: 58, unknown conditional: 0, unknown unconditional: 58] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1794, independent: 1667, independent conditional: 0, independent unconditional: 1667, dependent: 69, dependent conditional: 0, dependent unconditional: 69, unknown: 58, unknown conditional: 0, unknown unconditional: 58] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1794, independent: 1667, independent conditional: 0, independent unconditional: 1667, dependent: 69, dependent conditional: 0, dependent unconditional: 69, unknown: 58, unknown conditional: 0, unknown unconditional: 58] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1432, independent: 1384, independent conditional: 0, independent unconditional: 1384, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 19, unknown conditional: 0, unknown unconditional: 19] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1432, independent: 1378, independent conditional: 0, independent unconditional: 1378, dependent: 54, dependent conditional: 0, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 54, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 19, unknown conditional: 0, unknown unconditional: 19] , SemanticIndependenceRelation.Query Time [ms]: [ total: 42020, independent: 91, independent conditional: 0, independent unconditional: 91, dependent: 662, dependent conditional: 0, dependent unconditional: 662, unknown: 41266, unknown conditional: 0, unknown unconditional: 41266] ], Cache Queries: [ total: 1794, independent: 283, independent conditional: 0, independent unconditional: 283, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 1471, unknown conditional: 0, unknown unconditional: 1471] , Statistics on independence cache: Total cache size (in pairs): 2258, Positive cache size: 2229, Positive conditional cache size: 0, Positive unconditional cache size: 2229, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29, Unknown cache size: 19, Unknown conditional cache size: 0, Unknown unconditional cache size: 19, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11.4s, 39 PlacesBefore, 38 PlacesAfterwards, 38 TransitionsBefore, 37 TransitionsAfterwards, 372 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 186, independent: 108, independent conditional: 108, independent unconditional: 0, dependent: 66, dependent conditional: 66, dependent unconditional: 0, unknown: 12, unknown conditional: 12, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 186, independent: 108, independent conditional: 0, independent unconditional: 108, dependent: 66, dependent conditional: 0, dependent unconditional: 66, unknown: 12, unknown conditional: 0, unknown unconditional: 12] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 186, independent: 108, independent conditional: 0, independent unconditional: 108, dependent: 66, dependent conditional: 0, dependent unconditional: 66, unknown: 12, unknown conditional: 0, unknown unconditional: 12] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 186, independent: 108, independent conditional: 0, independent unconditional: 108, dependent: 66, dependent conditional: 0, dependent unconditional: 66, unknown: 12, unknown conditional: 0, unknown unconditional: 12] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 85, independent: 54, independent conditional: 0, independent unconditional: 54, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 85, independent: 49, independent conditional: 0, independent unconditional: 49, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 36, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , SemanticIndependenceRelation.Query Time [ms]: [ total: 11127, independent: 105, independent conditional: 0, independent unconditional: 105, dependent: 158, dependent conditional: 0, dependent unconditional: 158, unknown: 10863, unknown conditional: 0, unknown unconditional: 10863] ], Cache Queries: [ total: 186, independent: 54, independent conditional: 0, independent unconditional: 54, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 92, unknown conditional: 0, unknown unconditional: 92] , Statistics on independence cache: Total cache size (in pairs): 80, Positive cache size: 54, Positive conditional cache size: 0, Positive unconditional cache size: 54, Negative cache size: 26, Negative conditional cache size: 0, Negative unconditional cache size: 26, Unknown cache size: 5, Unknown conditional cache size: 0, Unknown unconditional cache size: 5, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.3s, 42 PlacesBefore, 42 PlacesAfterwards, 42 TransitionsBefore, 42 TransitionsAfterwards, 404 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 122, independent: 91, independent conditional: 91, independent unconditional: 0, dependent: 20, dependent conditional: 20, dependent unconditional: 0, unknown: 11, unknown conditional: 11, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 122, independent: 91, independent conditional: 8, independent unconditional: 83, dependent: 20, dependent conditional: 2, dependent unconditional: 18, unknown: 11, unknown conditional: 5, unknown unconditional: 6] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 122, independent: 91, independent conditional: 8, independent unconditional: 83, dependent: 20, dependent conditional: 2, dependent unconditional: 18, unknown: 11, unknown conditional: 5, unknown unconditional: 6] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 122, independent: 91, independent conditional: 8, independent unconditional: 83, dependent: 20, dependent conditional: 2, dependent unconditional: 18, unknown: 11, unknown conditional: 5, unknown unconditional: 6] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4321, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 3, dependent conditional: 3, dependent unconditional: 0, unknown: 4318, unknown conditional: 4318, unknown unconditional: 0] ], Cache Queries: [ total: 122, independent: 87, independent conditional: 8, independent unconditional: 79, dependent: 19, dependent conditional: 1, dependent unconditional: 18, unknown: 16, unknown conditional: 6, unknown unconditional: 10] , Statistics on independence cache: Total cache size (in pairs): 85, Positive cache size: 58, Positive conditional cache size: 0, Positive unconditional cache size: 58, Negative cache size: 27, Negative conditional cache size: 1, Negative unconditional cache size: 26, Unknown cache size: 7, Unknown conditional cache size: 2, Unknown unconditional cache size: 5, Eliminated conditions: 0, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.2s, 43 PlacesBefore, 42 PlacesAfterwards, 48 TransitionsBefore, 47 TransitionsAfterwards, 428 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 353, independent: 278, independent conditional: 278, independent unconditional: 0, dependent: 63, dependent conditional: 63, dependent unconditional: 0, unknown: 12, unknown conditional: 12, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 353, independent: 278, independent conditional: 34, independent unconditional: 244, dependent: 63, dependent conditional: 8, dependent unconditional: 55, unknown: 12, unknown conditional: 0, unknown unconditional: 12] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 353, independent: 278, independent conditional: 34, independent unconditional: 244, dependent: 63, dependent conditional: 8, dependent unconditional: 55, unknown: 12, unknown conditional: 0, unknown unconditional: 12] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 353, independent: 278, independent conditional: 34, independent unconditional: 244, dependent: 63, dependent conditional: 8, dependent unconditional: 55, unknown: 12, unknown conditional: 0, unknown unconditional: 12] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 26, independent: 23, independent conditional: 1, independent unconditional: 22, dependent: 3, dependent conditional: 1, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 26, independent: 23, independent conditional: 0, independent unconditional: 23, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 3, dependent conditional: 1, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 6, dependent conditional: 3, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 353, independent: 255, independent conditional: 33, independent unconditional: 222, dependent: 60, dependent conditional: 7, dependent unconditional: 53, unknown: 38, unknown conditional: 2, unknown unconditional: 36] , Statistics on independence cache: Total cache size (in pairs): 125, Positive cache size: 95, Positive conditional cache size: 1, Positive unconditional cache size: 94, Negative cache size: 30, Negative conditional cache size: 2, Negative unconditional cache size: 28, Unknown cache size: 7, Unknown conditional cache size: 2, Unknown unconditional cache size: 5, Eliminated conditions: 0, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 32 PlacesBefore, 32 PlacesAfterwards, 28 TransitionsBefore, 28 TransitionsAfterwards, 202 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 67, independent: 47, independent conditional: 47, independent unconditional: 0, dependent: 14, dependent conditional: 14, dependent unconditional: 0, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 67, independent: 47, independent conditional: 0, independent unconditional: 47, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 67, independent: 47, independent conditional: 0, independent unconditional: 47, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 67, independent: 47, independent conditional: 0, independent unconditional: 47, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 26, independent: 23, independent conditional: 0, independent unconditional: 23, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 26, independent: 23, independent conditional: 0, independent unconditional: 23, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 5, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 67, independent: 24, independent conditional: 0, independent unconditional: 24, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 32, unknown conditional: 0, unknown unconditional: 32] , Statistics on independence cache: Total cache size (in pairs): 151, Positive cache size: 118, Positive conditional cache size: 1, Positive unconditional cache size: 117, Negative cache size: 33, Negative conditional cache size: 2, Negative unconditional cache size: 31, Unknown cache size: 7, Unknown conditional cache size: 2, Unknown unconditional cache size: 5, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.6s, 36 PlacesBefore, 36 PlacesAfterwards, 33 TransitionsBefore, 33 TransitionsAfterwards, 198 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 32, independent: 15, independent conditional: 15, independent unconditional: 0, dependent: 12, dependent conditional: 12, dependent unconditional: 0, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 32, independent: 15, independent conditional: 0, independent unconditional: 15, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 32, independent: 15, independent conditional: 0, independent unconditional: 15, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 32, independent: 15, independent conditional: 0, independent unconditional: 15, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6553, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 77, dependent conditional: 0, dependent unconditional: 77, unknown: 6476, unknown conditional: 0, unknown unconditional: 6476] ], Cache Queries: [ total: 32, independent: 15, independent conditional: 0, independent unconditional: 15, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , Statistics on independence cache: Total cache size (in pairs): 153, Positive cache size: 118, Positive conditional cache size: 1, Positive unconditional cache size: 117, Negative cache size: 35, Negative conditional cache size: 2, Negative unconditional cache size: 33, Unknown cache size: 10, Unknown conditional cache size: 2, Unknown unconditional cache size: 8, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.1s, 37 PlacesBefore, 37 PlacesAfterwards, 38 TransitionsBefore, 38 TransitionsAfterwards, 156 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 106, independent: 67, independent conditional: 67, independent unconditional: 0, dependent: 37, dependent conditional: 37, dependent unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 106, independent: 67, independent conditional: 0, independent unconditional: 67, dependent: 37, dependent conditional: 4, dependent unconditional: 33, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 106, independent: 67, independent conditional: 0, independent unconditional: 67, dependent: 37, dependent conditional: 4, dependent unconditional: 33, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 106, independent: 67, independent conditional: 0, independent unconditional: 67, dependent: 37, dependent conditional: 4, dependent unconditional: 33, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 1, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 1, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 3, dependent conditional: 2, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 106, independent: 66, independent conditional: 0, independent unconditional: 66, dependent: 35, dependent conditional: 3, dependent unconditional: 32, unknown: 5, unknown conditional: 1, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 160, Positive cache size: 123, Positive conditional cache size: 1, Positive unconditional cache size: 122, Negative cache size: 37, Negative conditional cache size: 3, Negative unconditional cache size: 34, Unknown cache size: 10, Unknown conditional cache size: 2, Unknown unconditional cache size: 8, Eliminated conditions: 0, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.6s, 42 PlacesBefore, 41 PlacesAfterwards, 42 TransitionsBefore, 41 TransitionsAfterwards, 154 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 99, independent: 71, independent conditional: 71, independent unconditional: 0, dependent: 24, dependent conditional: 24, dependent unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 99, independent: 71, independent conditional: 20, independent unconditional: 51, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 99, independent: 71, independent conditional: 20, independent unconditional: 51, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 99, independent: 71, independent conditional: 20, independent unconditional: 51, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 12, independent: 8, independent conditional: 2, independent unconditional: 6, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 12, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5, independent: 1, independent conditional: 1, independent unconditional: 0, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2227, independent: 2, independent conditional: 2, independent unconditional: 0, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 2220, unknown conditional: 0, unknown unconditional: 2220] ], Cache Queries: [ total: 99, independent: 63, independent conditional: 18, independent unconditional: 45, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 15, unknown conditional: 2, unknown unconditional: 13] , Statistics on independence cache: Total cache size (in pairs): 186, Positive cache size: 146, Positive conditional cache size: 3, Positive unconditional cache size: 143, Negative cache size: 40, Negative conditional cache size: 3, Negative unconditional cache size: 37, Unknown cache size: 11, Unknown conditional cache size: 2, Unknown unconditional cache size: 9, Eliminated conditions: 0, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.2s, 46 PlacesBefore, 46 PlacesAfterwards, 44 TransitionsBefore, 44 TransitionsAfterwards, 126 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 44, independent: 27, independent conditional: 27, independent unconditional: 0, dependent: 15, dependent conditional: 15, dependent unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 44, independent: 27, independent conditional: 11, independent unconditional: 16, dependent: 15, dependent conditional: 4, dependent unconditional: 11, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 44, independent: 27, independent conditional: 11, independent unconditional: 16, dependent: 15, dependent conditional: 4, dependent unconditional: 11, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 44, independent: 27, independent conditional: 11, independent unconditional: 16, dependent: 15, dependent conditional: 4, dependent unconditional: 11, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7, independent: 3, independent conditional: 2, independent unconditional: 1, dependent: 3, dependent conditional: 2, dependent unconditional: 1, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 3, dependent conditional: 2, dependent unconditional: 1, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2161, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 6, dependent conditional: 4, dependent unconditional: 2, unknown: 2155, unknown conditional: 0, unknown unconditional: 2155] ], Cache Queries: [ total: 44, independent: 24, independent conditional: 9, independent unconditional: 15, dependent: 12, dependent conditional: 2, dependent unconditional: 10, unknown: 8, unknown conditional: 4, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 192, Positive cache size: 149, Positive conditional cache size: 5, Positive unconditional cache size: 144, Negative cache size: 43, Negative conditional cache size: 5, Negative unconditional cache size: 38, Unknown cache size: 12, Unknown conditional cache size: 2, Unknown unconditional cache size: 10, Eliminated conditions: 0, Maximal queried relation: 0 - CounterExampleResult [Line: 1675]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1676] 0 pthread_t t1,t2; [L1745] CALL, EXPR 0 my_drv_init() [L1739] 0 return 0; [L1745] RET, EXPR 0 my_drv_init() [L1745] 0 int ret = my_drv_init(); [L1746] COND TRUE 0 ret==0 [L1747] 0 int probe_ret; [L1748] 0 struct my_data data; [L1749] CALL, EXPR 0 my_drv_probe(&data) [L1706] 0 struct device *d = &data->dev; [L1708] 0 data->shared.a = 0 [L1709] 0 data->shared.b = 0 [L1710] 0 int res = __VERIFIER_nondet_int(); [L1711] COND FALSE 0 !(\read(res)) [L1713] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, (void *)d) VAL [arg={6:24}, d={6:24}, data={6:0}, data={6:0}, pthread_create(&t1, ((void *)0), my_callback, (void *)d)=-1, res=0, t1={3:0}, t2={4:0}] [L1689] 1 struct device *dev = (struct device*)arg; [L1690] 1 struct my_data *data; [L1691] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); [L1691] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) [L1694] 1 data->shared.a = 1 VAL [__mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, t1={3:0}, t2={4:0}] [L1697] EXPR 1 data->shared.b [L1697] 1 int lb = data->shared.b; [L1700] 1 data->shared.b = lb + 1 VAL [__mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, lb=0, t1={3:0}, t2={4:0}] [L1703] 1 return 0; [L1714] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, (void *)d) VAL [\result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, d={6:24}, data={6:0}, data={6:0}, data={6:0}, dev={6:24}, lb=0, pthread_create(&t2, ((void *)0), my_callback, (void *)d)=0, res=0, t1={3:0}, t2={4:0}] [L1715] 0 return 0; [L1749] RET, EXPR 0 my_drv_probe(&data) [L1749] 0 probe_ret = my_drv_probe(&data) [L1750] COND TRUE 0 probe_ret==0 [L1751] CALL 0 my_drv_disconnect(&data) [L1721] 0 void *status; [L1722] 0 \read(t1) VAL [\read(t1)=-1, \result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, data={6:0}, data={6:0}, dev={6:24}, lb=0, status={5:0}, t1={3:0}, t2={4:0}] [L1722] FCALL, JOIN 1 pthread_join(t1, &status) VAL [\read(t1)=-1, \result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, data={6:0}, data={6:0}, dev={6:24}, lb=0, pthread_join(t1, &status)={0:0}, status={5:0}, t1={3:0}, t2={4:0}] [L1724] 0 data->shared.a = 3 VAL [\result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, data={6:0}, data={6:0}, dev={6:24}, lb=0, status={5:0}, t1={3:0}, t2={4:0}] [L1689] 2 struct device *dev = (struct device*)arg; [L1690] 2 struct my_data *data; [L1691] 2 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); [L1691] 2 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) [L1694] 2 data->shared.a = 1 VAL [\result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, lb=0, t1={3:0}, t2={4:0}] [L1727] 0 data->shared.b = 3 VAL [\result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, data={6:0}, data={6:0}, dev={6:24}, lb=0, status={5:0}, t1={3:0}, t2={4:0}] [L1730] EXPR 0 data->shared.a [L1730] CALL 0 ldv_assert(data->shared.a==3) [L1675] COND TRUE 0 !expression [L1675] 0 reach_error() VAL [\old(expression)=0, \result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, expression=0, lb=0, t1={3:0}, t2={4:0}] - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1713]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1714]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 168 locations, 8 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: 86.1s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 54.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 169 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 169 mSDsluCounter, 37 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 544 IncrementalHoareTripleChecker+Invalid, 553 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 30 mSDtfsCounter, 544 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=267occurred in iteration=8, InterpolantAutomatonStates: 28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 101 NumberOfCodeBlocks, 101 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 77 ConstructedInterpolants, 0 QuantifiedInterpolants, 419 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-06 06:48:40,678 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...