/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/ldv-races/race-2_5-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 04:36:54,322 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 04:36:54,326 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 04:36:54,371 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 04:36:54,371 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 04:36:54,374 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 04:36:54,377 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 04:36:54,380 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 04:36:54,383 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 04:36:54,388 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 04:36:54,388 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 04:36:54,389 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 04:36:54,389 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 04:36:54,390 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 04:36:54,390 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 04:36:54,391 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 04:36:54,391 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 04:36:54,392 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 04:36:54,393 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 04:36:54,394 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 04:36:54,395 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 04:36:54,399 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 04:36:54,400 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 04:36:54,401 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 04:36:54,407 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 04:36:54,407 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 04:36:54,408 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 04:36:54,409 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 04:36:54,409 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 04:36:54,409 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 04:36:54,410 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 04:36:54,411 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 04:36:54,412 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 04:36:54,412 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 04:36:54,413 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 04:36:54,413 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 04:36:54,413 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 04:36:54,413 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 04:36:54,414 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 04:36:54,414 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 04:36:54,415 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 04:36:54,415 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2022-12-06 04:36:54,444 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 04:36:54,444 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 04:36:54,446 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 04:36:54,446 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 04:36:54,446 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 04:36:54,447 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 04:36:54,447 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 04:36:54,447 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 04:36:54,447 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 04:36:54,447 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 04:36:54,448 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 04:36:54,448 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 04:36:54,448 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 04:36:54,448 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 04:36:54,448 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 04:36:54,449 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 04:36:54,449 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 04:36:54,449 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 04:36:54,449 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 04:36:54,449 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 04:36:54,449 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 04:36:54,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 04:36:54,449 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 04:36:54,449 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 04:36:54,450 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 04:36:54,450 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 04:36:54,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 04:36:54,450 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 04:36:54,450 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-06 04:36:54,716 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 04:36:54,739 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 04:36:54,741 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 04:36:54,742 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 04:36:54,743 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 04:36:54,744 INFO L432 ainManager$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 04:36:55,928 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 04:36:56,241 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 04:36:56,243 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_5-container_of.i [2022-12-06 04:36:56,272 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f6472d0e/df395a5fa99e40f299c954250efe8aa8/FLAGd0add17c1 [2022-12-06 04:36:56,285 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f6472d0e/df395a5fa99e40f299c954250efe8aa8 [2022-12-06 04:36:56,288 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 04:36:56,289 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 04:36:56,289 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 04:36:56,289 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 04:36:56,291 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 04:36:56,292 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:36:56" (1/1) ... [2022-12-06 04:36:56,293 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ceeb427 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:36:56, skipping insertion in model container [2022-12-06 04:36:56,293 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:36:56" (1/1) ... [2022-12-06 04:36:56,297 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 04:36:56,355 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 04:36:56,512 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-06 04:36:56,812 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 04:36:56,820 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:36:56,820 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:36:56,821 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:36:56,821 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:36:56,821 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:36:56,822 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:36:56,842 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:36:56,843 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:36:56,843 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:36:56,844 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:36:56,844 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:36:56,844 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:36:56,844 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:36:56,845 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:36:56,855 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 04:36:56,864 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 04:36:56,875 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-06 04:36:56,904 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 04:36:56,906 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:36:56,906 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:36:56,906 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:36:56,906 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:36:56,907 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:36:56,907 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:36:56,911 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:36:56,912 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:36:56,912 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:36:56,912 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:36:56,912 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:36:56,912 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:36:56,913 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:36:56,913 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:36:56,915 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 04:36:57,049 INFO L208 MainTranslator]: Completed translation [2022-12-06 04:36:57,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:36:57 WrapperNode [2022-12-06 04:36:57,049 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 04:36:57,050 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 04:36:57,050 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 04:36:57,050 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 04:36:57,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:36:57" (1/1) ... [2022-12-06 04:36:57,086 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:36:57" (1/1) ... [2022-12-06 04:36:57,104 INFO L138 Inliner]: procedures = 469, calls = 63, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 143 [2022-12-06 04:36:57,105 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 04:36:57,105 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 04:36:57,106 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 04:36:57,106 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 04:36:57,112 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:36:57" (1/1) ... [2022-12-06 04:36:57,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:36:57" (1/1) ... [2022-12-06 04:36:57,115 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:36:57" (1/1) ... [2022-12-06 04:36:57,115 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:36:57" (1/1) ... [2022-12-06 04:36:57,122 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:36:57" (1/1) ... [2022-12-06 04:36:57,124 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:36:57" (1/1) ... [2022-12-06 04:36:57,126 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:36:57" (1/1) ... [2022-12-06 04:36:57,127 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:36:57" (1/1) ... [2022-12-06 04:36:57,131 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 04:36:57,132 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 04:36:57,132 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 04:36:57,132 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 04:36:57,132 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:36:57" (1/1) ... [2022-12-06 04:36:57,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 04:36:57,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 04:36:57,168 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 04:36:57,177 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 04:36:57,199 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-06 04:36:57,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 04:36:57,199 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-06 04:36:57,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-06 04:36:57,201 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-06 04:36:57,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 04:36:57,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-06 04:36:57,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 04:36:57,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 04:36:57,201 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2022-12-06 04:36:57,201 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2022-12-06 04:36:57,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 04:36:57,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 04:36:57,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 04:36:57,202 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 04:36:57,491 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 04:36:57,492 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 04:36:57,632 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 04:36:57,662 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 04:36:57,662 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-06 04:36:57,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:36:57 BoogieIcfgContainer [2022-12-06 04:36:57,664 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 04:36:57,665 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 04:36:57,665 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 04:36:57,667 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 04:36:57,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 04:36:56" (1/3) ... [2022-12-06 04:36:57,668 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b9747f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 04:36:57, skipping insertion in model container [2022-12-06 04:36:57,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:36:57" (2/3) ... [2022-12-06 04:36:57,668 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b9747f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 04:36:57, skipping insertion in model container [2022-12-06 04:36:57,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:36:57" (3/3) ... [2022-12-06 04:36:57,669 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_5-container_of.i [2022-12-06 04:36:57,682 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 04:36:57,682 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-12-06 04:36:57,682 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 04:36:57,747 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-06 04:36:57,781 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 158 places, 158 transitions, 332 flow [2022-12-06 04:36:57,858 INFO L130 PetriNetUnfolder]: 8/196 cut-off events. [2022-12-06 04:36:57,859 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-06 04:36:57,863 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 04:36:57,863 INFO L82 GeneralOperation]: Start removeDead. Operand has 158 places, 158 transitions, 332 flow [2022-12-06 04:36:57,869 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 148 places, 146 transitions, 304 flow [2022-12-06 04:36:57,870 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:36:57,922 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 148 places, 146 transitions, 304 flow [2022-12-06 04:36:57,926 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 148 places, 146 transitions, 304 flow [2022-12-06 04:36:57,948 INFO L130 PetriNetUnfolder]: 5/177 cut-off events. [2022-12-06 04:36:57,948 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-06 04:36:57,948 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 04:36:57,951 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 148 places, 146 transitions, 304 flow [2022-12-06 04:36:57,951 INFO L188 LiptonReduction]: Number of co-enabled transitions 2548 [2022-12-06 04:36:58,064 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:36:58,066 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:36:58,073 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:36:58,074 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:37:11,746 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:11,747 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:37:11,750 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:11,751 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:37:14,146 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:14,147 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:37:14,148 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:14,149 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:37:14,196 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:14,197 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:37:14,198 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:14,200 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:37:18,919 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:18,922 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:37:18,925 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:18,926 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:37:21,289 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:21,290 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:37:21,292 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:21,308 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:37:23,878 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:23,879 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:37:23,881 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:23,881 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:37:24,000 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:24,001 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:37:24,002 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:24,002 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:37:28,755 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:28,756 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:37:28,759 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:28,760 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:37:29,546 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:29,548 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:37:29,549 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:29,550 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:37:34,773 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:34,774 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2022-12-06 04:37:34,778 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:34,778 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2022-12-06 04:37:34,781 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:34,781 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:37:34,784 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:34,784 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:37:34,787 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:34,787 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:37:34,791 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:34,794 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:37:34,797 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:34,800 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:37:34,803 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:34,804 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:37:34,807 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:34,807 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:37:34,809 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:34,809 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:37:38,122 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:38,122 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-06 04:37:38,126 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:38,128 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:37:38,131 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:38,132 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-06 04:37:38,133 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:38,134 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:37:38,163 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:38,163 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:37:38,166 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:38,168 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:37:38,179 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:38,180 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-06 04:37:38,183 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:38,183 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:37:38,185 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:38,186 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-06 04:37:38,188 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:38,188 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:37:40,375 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:40,376 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:37:40,378 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:40,379 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:37:40,421 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:40,423 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:37:40,424 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:40,425 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:37:40,613 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:40,614 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-06 04:37:40,617 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:40,618 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2022-12-06 04:37:40,623 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:40,624 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:37:40,627 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:40,627 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-06 04:37:40,632 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:40,633 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2022-12-06 04:37:40,635 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:40,636 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:37:40,643 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:40,644 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-06 04:37:40,648 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:40,649 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:37:40,651 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:40,652 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-06 04:37:40,654 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:40,655 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:37:51,406 INFO L203 LiptonReduction]: Total number of compositions: 112 [2022-12-06 04:37:51,416 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 04:37:51,421 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;@12ddced, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 04:37:51,421 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-12-06 04:37:51,424 INFO L130 PetriNetUnfolder]: 0/9 cut-off events. [2022-12-06 04:37:51,424 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 04:37:51,424 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:37:51,424 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2022-12-06 04:37:51,425 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 04:37:51,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:37:51,428 INFO L85 PathProgramCache]: Analyzing trace with hash 566858, now seen corresponding path program 1 times [2022-12-06 04:37:51,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:37:51,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243708916] [2022-12-06 04:37:51,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:37:51,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:37:51,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 04:37:51,685 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 04:37:51,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 04:37:51,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243708916] [2022-12-06 04:37:51,691 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243708916] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 04:37:51,691 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 04:37:51,691 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-06 04:37:51,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376150824] [2022-12-06 04:37:51,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 04:37:51,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-06 04:37:51,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 04:37:51,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-06 04:37:51,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-06 04:37:51,713 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 39 [2022-12-06 04:37:51,714 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 04:37:51,714 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 04:37:51,714 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 39 [2022-12-06 04:37:51,715 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 04:37:51,884 INFO L130 PetriNetUnfolder]: 353/693 cut-off events. [2022-12-06 04:37:51,884 INFO L131 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2022-12-06 04:37:51,889 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 04:37:51,894 INFO L137 encePairwiseOnDemand]: 38/39 looper letters, 31 selfloop transitions, 0 changer transitions 0/38 dead transitions. [2022-12-06 04:37:51,894 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 38 transitions, 150 flow [2022-12-06 04:37:51,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-06 04:37:51,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-06 04:37:51,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 46 transitions. [2022-12-06 04:37:51,903 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5897435897435898 [2022-12-06 04:37:51,904 INFO L175 Difference]: Start difference. First operand has 43 places, 39 transitions, 90 flow. Second operand 2 states and 46 transitions. [2022-12-06 04:37:51,905 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 38 transitions, 150 flow [2022-12-06 04:37:51,907 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 04:37:51,908 INFO L231 Difference]: Finished difference. Result has 40 places, 38 transitions, 80 flow [2022-12-06 04:37:51,910 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 04:37:51,913 INFO L294 CegarLoopForPetriNet]: 43 programPoint places, -3 predicate places. [2022-12-06 04:37:51,913 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 04:37:51,914 INFO L89 Accepts]: Start accepts. Operand has 40 places, 38 transitions, 80 flow [2022-12-06 04:37:51,915 INFO L95 Accepts]: Finished accepts. [2022-12-06 04:37:51,915 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:37:51,915 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 38 transitions, 80 flow [2022-12-06 04:37:51,924 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 39 places, 38 transitions, 80 flow [2022-12-06 04:37:51,928 INFO L130 PetriNetUnfolder]: 1/44 cut-off events. [2022-12-06 04:37:51,929 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 04:37:51,929 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 04:37:51,929 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 38 transitions, 80 flow [2022-12-06 04:37:51,930 INFO L188 LiptonReduction]: Number of co-enabled transitions 372 [2022-12-06 04:37:56,361 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:56,362 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:37:56,364 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:56,364 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:38:03,210 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-06 04:38:03,212 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 11299 [2022-12-06 04:38:03,212 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 37 transitions, 78 flow [2022-12-06 04:38:03,212 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 04:38:03,212 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:38:03,212 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2022-12-06 04:38:03,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 04:38:03,213 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 04:38:03,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:38:03,213 INFO L85 PathProgramCache]: Analyzing trace with hash 17567358, now seen corresponding path program 1 times [2022-12-06 04:38:03,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:38:03,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380808347] [2022-12-06 04:38:03,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:38:03,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:38:03,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 04:38:03,454 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 04:38:03,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 04:38:03,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380808347] [2022-12-06 04:38:03,455 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380808347] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 04:38:03,456 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 04:38:03,456 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 04:38:03,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778514022] [2022-12-06 04:38:03,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 04:38:03,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 04:38:03,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 04:38:03,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 04:38:03,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 04:38:03,461 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 37 [2022-12-06 04:38:03,461 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 04:38:03,461 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 04:38:03,461 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 37 [2022-12-06 04:38:03,461 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 04:38:03,684 INFO L130 PetriNetUnfolder]: 897/1527 cut-off events. [2022-12-06 04:38:03,684 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-06 04:38:03,686 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 04:38:03,690 INFO L137 encePairwiseOnDemand]: 29/37 looper letters, 45 selfloop transitions, 7 changer transitions 0/52 dead transitions. [2022-12-06 04:38:03,690 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 52 transitions, 212 flow [2022-12-06 04:38:03,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 04:38:03,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 04:38:03,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 53 transitions. [2022-12-06 04:38:03,694 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.4774774774774775 [2022-12-06 04:38:03,694 INFO L175 Difference]: Start difference. First operand has 38 places, 37 transitions, 78 flow. Second operand 3 states and 53 transitions. [2022-12-06 04:38:03,694 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 52 transitions, 212 flow [2022-12-06 04:38:03,695 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 04:38:03,696 INFO L231 Difference]: Finished difference. Result has 42 places, 42 transitions, 128 flow [2022-12-06 04:38:03,696 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 04:38:03,697 INFO L294 CegarLoopForPetriNet]: 43 programPoint places, -1 predicate places. [2022-12-06 04:38:03,697 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 04:38:03,697 INFO L89 Accepts]: Start accepts. Operand has 42 places, 42 transitions, 128 flow [2022-12-06 04:38:03,697 INFO L95 Accepts]: Finished accepts. [2022-12-06 04:38:03,697 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:38:03,697 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 42 transitions, 128 flow [2022-12-06 04:38:03,698 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 42 places, 42 transitions, 128 flow [2022-12-06 04:38:03,713 INFO L130 PetriNetUnfolder]: 51/189 cut-off events. [2022-12-06 04:38:03,713 INFO L131 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2022-12-06 04:38:03,713 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 04:38:03,714 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 42 transitions, 128 flow [2022-12-06 04:38:03,714 INFO L188 LiptonReduction]: Number of co-enabled transitions 404 [2022-12-06 04:38:08,048 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 04:38:08,049 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 4352 [2022-12-06 04:38:08,049 INFO L495 AbstractCegarLoop]: Abstraction has has 42 places, 42 transitions, 128 flow [2022-12-06 04:38:08,049 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 04:38:08,049 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:38:08,049 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2022-12-06 04:38:08,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 04:38:08,049 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 04:38:08,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:38:08,050 INFO L85 PathProgramCache]: Analyzing trace with hash 544588664, now seen corresponding path program 1 times [2022-12-06 04:38:08,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:38:08,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986796989] [2022-12-06 04:38:08,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:38:08,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:38:08,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 04:38:08,270 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 04:38:08,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 04:38:08,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986796989] [2022-12-06 04:38:08,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986796989] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 04:38:08,270 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 04:38:08,270 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 04:38:08,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289740918] [2022-12-06 04:38:08,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 04:38:08,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 04:38:08,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 04:38:08,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 04:38:08,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 04:38:08,271 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 37 [2022-12-06 04:38:08,272 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 04:38:08,272 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 04:38:08,272 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 37 [2022-12-06 04:38:08,272 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 04:38:08,511 INFO L130 PetriNetUnfolder]: 1037/1777 cut-off events. [2022-12-06 04:38:08,511 INFO L131 PetriNetUnfolder]: For 558/558 co-relation queries the response was YES. [2022-12-06 04:38:08,514 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 04:38:08,520 INFO L137 encePairwiseOnDemand]: 31/37 looper letters, 49 selfloop transitions, 9 changer transitions 2/60 dead transitions. [2022-12-06 04:38:08,520 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 60 transitions, 314 flow [2022-12-06 04:38:08,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 04:38:08,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 04:38:08,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 52 transitions. [2022-12-06 04:38:08,522 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.46846846846846846 [2022-12-06 04:38:08,523 INFO L175 Difference]: Start difference. First operand has 42 places, 42 transitions, 128 flow. Second operand 3 states and 52 transitions. [2022-12-06 04:38:08,523 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 60 transitions, 314 flow [2022-12-06 04:38:08,528 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 04:38:08,529 INFO L231 Difference]: Finished difference. Result has 43 places, 48 transitions, 185 flow [2022-12-06 04:38:08,529 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 04:38:08,530 INFO L294 CegarLoopForPetriNet]: 43 programPoint places, 0 predicate places. [2022-12-06 04:38:08,530 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 04:38:08,530 INFO L89 Accepts]: Start accepts. Operand has 43 places, 48 transitions, 185 flow [2022-12-06 04:38:08,531 INFO L95 Accepts]: Finished accepts. [2022-12-06 04:38:08,531 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:38:08,531 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 43 places, 48 transitions, 185 flow [2022-12-06 04:38:08,532 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 43 places, 48 transitions, 185 flow [2022-12-06 04:38:08,550 INFO L130 PetriNetUnfolder]: 114/293 cut-off events. [2022-12-06 04:38:08,550 INFO L131 PetriNetUnfolder]: For 131/133 co-relation queries the response was YES. [2022-12-06 04:38:08,550 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 04:38:08,551 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 43 places, 48 transitions, 185 flow [2022-12-06 04:38:08,551 INFO L188 LiptonReduction]: Number of co-enabled transitions 428 [2022-12-06 04:38:08,562 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:38:08,563 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:38:08,564 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:38:08,564 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:38:08,767 INFO L203 LiptonReduction]: Total number of compositions: 2 [2022-12-06 04:38:08,771 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 241 [2022-12-06 04:38:08,771 INFO L495 AbstractCegarLoop]: Abstraction has has 42 places, 47 transitions, 186 flow [2022-12-06 04:38:08,772 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 04:38:08,772 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:38:08,772 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 04:38:08,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-06 04:38:08,772 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 04:38:08,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:38:08,772 INFO L85 PathProgramCache]: Analyzing trace with hash -1995558433, now seen corresponding path program 1 times [2022-12-06 04:38:08,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:38:08,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093182581] [2022-12-06 04:38:08,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:38:08,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:38:08,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 04:38:08,835 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 04:38:08,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 04:38:08,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093182581] [2022-12-06 04:38:08,836 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093182581] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 04:38:08,836 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 04:38:08,836 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 04:38:08,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180383745] [2022-12-06 04:38:08,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 04:38:08,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-06 04:38:08,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 04:38:08,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-06 04:38:08,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-06 04:38:08,837 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 35 [2022-12-06 04:38:08,837 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 04:38:08,837 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 04:38:08,837 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 35 [2022-12-06 04:38:08,837 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 04:38:08,884 INFO L130 PetriNetUnfolder]: 119/269 cut-off events. [2022-12-06 04:38:08,884 INFO L131 PetriNetUnfolder]: For 110/128 co-relation queries the response was YES. [2022-12-06 04:38:08,885 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 04:38:08,886 INFO L137 encePairwiseOnDemand]: 34/35 looper letters, 22 selfloop transitions, 0 changer transitions 1/29 dead transitions. [2022-12-06 04:38:08,886 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 29 transitions, 124 flow [2022-12-06 04:38:08,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-06 04:38:08,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-06 04:38:08,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 38 transitions. [2022-12-06 04:38:08,887 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5428571428571428 [2022-12-06 04:38:08,887 INFO L175 Difference]: Start difference. First operand has 42 places, 47 transitions, 186 flow. Second operand 2 states and 38 transitions. [2022-12-06 04:38:08,887 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 29 transitions, 124 flow [2022-12-06 04:38:08,888 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 04:38:08,889 INFO L231 Difference]: Finished difference. Result has 35 places, 28 transitions, 68 flow [2022-12-06 04:38:08,889 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 04:38:08,890 INFO L294 CegarLoopForPetriNet]: 43 programPoint places, -8 predicate places. [2022-12-06 04:38:08,891 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 04:38:08,891 INFO L89 Accepts]: Start accepts. Operand has 35 places, 28 transitions, 68 flow [2022-12-06 04:38:08,892 INFO L95 Accepts]: Finished accepts. [2022-12-06 04:38:08,892 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:38:08,892 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 35 places, 28 transitions, 68 flow [2022-12-06 04:38:08,892 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 32 places, 28 transitions, 68 flow [2022-12-06 04:38:08,897 INFO L130 PetriNetUnfolder]: 4/58 cut-off events. [2022-12-06 04:38:08,897 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 04:38:08,897 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 04:38:08,897 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 32 places, 28 transitions, 68 flow [2022-12-06 04:38:08,897 INFO L188 LiptonReduction]: Number of co-enabled transitions 202 [2022-12-06 04:38:08,902 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 04:38:08,907 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 17 [2022-12-06 04:38:08,907 INFO L495 AbstractCegarLoop]: Abstraction has has 32 places, 28 transitions, 68 flow [2022-12-06 04:38:08,907 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 04:38:08,907 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:38:08,907 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 04:38:08,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-06 04:38:08,908 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 04:38:08,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:38:08,908 INFO L85 PathProgramCache]: Analyzing trace with hash -281828421, now seen corresponding path program 1 times [2022-12-06 04:38:08,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:38:08,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680364054] [2022-12-06 04:38:08,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:38:08,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:38:08,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 04:38:09,124 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 04:38:09,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 04:38:09,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680364054] [2022-12-06 04:38:09,125 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680364054] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 04:38:09,125 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 04:38:09,125 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 04:38:09,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049763254] [2022-12-06 04:38:09,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 04:38:09,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 04:38:09,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 04:38:09,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 04:38:09,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 04:38:09,126 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 28 [2022-12-06 04:38:09,126 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 04:38:09,126 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 04:38:09,126 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 28 [2022-12-06 04:38:09,126 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 04:38:09,196 INFO L130 PetriNetUnfolder]: 178/363 cut-off events. [2022-12-06 04:38:09,196 INFO L131 PetriNetUnfolder]: For 42/42 co-relation queries the response was YES. [2022-12-06 04:38:09,197 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 04:38:09,198 INFO L137 encePairwiseOnDemand]: 21/28 looper letters, 36 selfloop transitions, 6 changer transitions 0/42 dead transitions. [2022-12-06 04:38:09,198 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 42 transitions, 185 flow [2022-12-06 04:38:09,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 04:38:09,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 04:38:09,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 43 transitions. [2022-12-06 04:38:09,199 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5119047619047619 [2022-12-06 04:38:09,199 INFO L175 Difference]: Start difference. First operand has 32 places, 28 transitions, 68 flow. Second operand 3 states and 43 transitions. [2022-12-06 04:38:09,199 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 42 transitions, 185 flow [2022-12-06 04:38:09,199 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 04:38:09,200 INFO L231 Difference]: Finished difference. Result has 36 places, 33 transitions, 118 flow [2022-12-06 04:38:09,200 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 04:38:09,200 INFO L294 CegarLoopForPetriNet]: 43 programPoint places, -7 predicate places. [2022-12-06 04:38:09,200 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 04:38:09,201 INFO L89 Accepts]: Start accepts. Operand has 36 places, 33 transitions, 118 flow [2022-12-06 04:38:09,201 INFO L95 Accepts]: Finished accepts. [2022-12-06 04:38:09,201 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:38:09,201 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 33 transitions, 118 flow [2022-12-06 04:38:09,202 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 36 places, 33 transitions, 118 flow [2022-12-06 04:38:09,207 INFO L130 PetriNetUnfolder]: 11/73 cut-off events. [2022-12-06 04:38:09,207 INFO L131 PetriNetUnfolder]: For 20/20 co-relation queries the response was YES. [2022-12-06 04:38:09,207 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 04:38:09,208 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 33 transitions, 118 flow [2022-12-06 04:38:09,208 INFO L188 LiptonReduction]: Number of co-enabled transitions 198 [2022-12-06 04:38:15,812 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 04:38:15,813 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 6613 [2022-12-06 04:38:15,813 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 33 transitions, 118 flow [2022-12-06 04:38:15,813 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 04:38:15,813 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:38:15,813 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 04:38:15,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-06 04:38:15,813 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 04:38:15,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:38:15,814 INFO L85 PathProgramCache]: Analyzing trace with hash -1239284489, now seen corresponding path program 1 times [2022-12-06 04:38:15,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:38:15,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540724372] [2022-12-06 04:38:15,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:38:15,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:38:15,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 04:38:16,131 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 04:38:16,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 04:38:16,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540724372] [2022-12-06 04:38:16,132 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540724372] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 04:38:16,132 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 04:38:16,132 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 04:38:16,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867552571] [2022-12-06 04:38:16,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 04:38:16,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 04:38:16,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 04:38:16,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 04:38:16,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 04:38:16,133 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 28 [2022-12-06 04:38:16,134 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 04:38:16,134 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 04:38:16,134 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 28 [2022-12-06 04:38:16,134 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 04:38:16,213 INFO L130 PetriNetUnfolder]: 188/391 cut-off events. [2022-12-06 04:38:16,213 INFO L131 PetriNetUnfolder]: For 160/160 co-relation queries the response was YES. [2022-12-06 04:38:16,214 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 04:38:16,215 INFO L137 encePairwiseOnDemand]: 21/28 looper letters, 36 selfloop transitions, 9 changer transitions 2/47 dead transitions. [2022-12-06 04:38:16,215 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 47 transitions, 267 flow [2022-12-06 04:38:16,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 04:38:16,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 04:38:16,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 42 transitions. [2022-12-06 04:38:16,218 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5 [2022-12-06 04:38:16,218 INFO L175 Difference]: Start difference. First operand has 36 places, 33 transitions, 118 flow. Second operand 3 states and 42 transitions. [2022-12-06 04:38:16,219 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 47 transitions, 267 flow [2022-12-06 04:38:16,219 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 04:38:16,220 INFO L231 Difference]: Finished difference. Result has 38 places, 38 transitions, 174 flow [2022-12-06 04:38:16,220 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 04:38:16,223 INFO L294 CegarLoopForPetriNet]: 43 programPoint places, -5 predicate places. [2022-12-06 04:38:16,223 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 04:38:16,223 INFO L89 Accepts]: Start accepts. Operand has 38 places, 38 transitions, 174 flow [2022-12-06 04:38:16,224 INFO L95 Accepts]: Finished accepts. [2022-12-06 04:38:16,224 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:38:16,224 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 38 places, 38 transitions, 174 flow [2022-12-06 04:38:16,226 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 37 places, 38 transitions, 174 flow [2022-12-06 04:38:16,235 INFO L130 PetriNetUnfolder]: 23/104 cut-off events. [2022-12-06 04:38:16,235 INFO L131 PetriNetUnfolder]: For 74/74 co-relation queries the response was YES. [2022-12-06 04:38:16,236 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 04:38:16,236 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 38 transitions, 174 flow [2022-12-06 04:38:16,236 INFO L188 LiptonReduction]: Number of co-enabled transitions 156 [2022-12-06 04:38:16,306 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-06 04:38:16,307 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 84 [2022-12-06 04:38:16,307 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 38 transitions, 178 flow [2022-12-06 04:38:16,307 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 04:38:16,307 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:38:16,308 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 04:38:16,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-06 04:38:16,308 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 04:38:16,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:38:16,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1398879766, now seen corresponding path program 1 times [2022-12-06 04:38:16,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:38:16,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427482281] [2022-12-06 04:38:16,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:38:16,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:38:16,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 04:38:17,282 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 04:38:17,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 04:38:17,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427482281] [2022-12-06 04:38:17,283 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427482281] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 04:38:17,283 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 04:38:17,283 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-06 04:38:17,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325869389] [2022-12-06 04:38:17,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 04:38:17,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-06 04:38:17,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 04:38:17,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-06 04:38:17,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-06 04:38:17,284 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 28 [2022-12-06 04:38:17,284 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 04:38:17,284 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 04:38:17,284 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 28 [2022-12-06 04:38:17,284 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 04:38:17,445 INFO L130 PetriNetUnfolder]: 140/328 cut-off events. [2022-12-06 04:38:17,446 INFO L131 PetriNetUnfolder]: For 171/175 co-relation queries the response was YES. [2022-12-06 04:38:17,446 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 04:38:17,447 INFO L137 encePairwiseOnDemand]: 21/28 looper letters, 40 selfloop transitions, 7 changer transitions 0/54 dead transitions. [2022-12-06 04:38:17,448 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 54 transitions, 317 flow [2022-12-06 04:38:17,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-06 04:38:17,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-06 04:38:17,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 65 transitions. [2022-12-06 04:38:17,448 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.3869047619047619 [2022-12-06 04:38:17,448 INFO L175 Difference]: Start difference. First operand has 37 places, 38 transitions, 178 flow. Second operand 6 states and 65 transitions. [2022-12-06 04:38:17,449 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 54 transitions, 317 flow [2022-12-06 04:38:17,450 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 04:38:17,451 INFO L231 Difference]: Finished difference. Result has 42 places, 42 transitions, 193 flow [2022-12-06 04:38:17,451 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 04:38:17,452 INFO L294 CegarLoopForPetriNet]: 43 programPoint places, -1 predicate places. [2022-12-06 04:38:17,452 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 04:38:17,452 INFO L89 Accepts]: Start accepts. Operand has 42 places, 42 transitions, 193 flow [2022-12-06 04:38:17,453 INFO L95 Accepts]: Finished accepts. [2022-12-06 04:38:17,453 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:38:17,453 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 42 transitions, 193 flow [2022-12-06 04:38:17,454 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 42 places, 42 transitions, 193 flow [2022-12-06 04:38:17,462 INFO L130 PetriNetUnfolder]: 27/121 cut-off events. [2022-12-06 04:38:17,462 INFO L131 PetriNetUnfolder]: For 51/51 co-relation queries the response was YES. [2022-12-06 04:38:17,462 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 04:38:17,463 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 42 transitions, 193 flow [2022-12-06 04:38:17,463 INFO L188 LiptonReduction]: Number of co-enabled transitions 154 [2022-12-06 04:38:17,472 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:38:17,480 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:38:17,482 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:38:17,482 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:38:19,977 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-06 04:38:19,978 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 2526 [2022-12-06 04:38:19,978 INFO L495 AbstractCegarLoop]: Abstraction has has 41 places, 41 transitions, 195 flow [2022-12-06 04:38:19,978 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 04:38:19,978 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:38:19,978 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 04:38:19,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-06 04:38:19,979 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 04:38:19,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:38:19,979 INFO L85 PathProgramCache]: Analyzing trace with hash -146483445, now seen corresponding path program 1 times [2022-12-06 04:38:19,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:38:19,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961294944] [2022-12-06 04:38:19,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:38:19,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:38:20,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 04:38:20,422 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 04:38:20,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 04:38:20,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961294944] [2022-12-06 04:38:20,423 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961294944] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 04:38:20,423 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 04:38:20,423 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-06 04:38:20,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963889785] [2022-12-06 04:38:20,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 04:38:20,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-06 04:38:20,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 04:38:20,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-06 04:38:20,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-06 04:38:20,424 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 29 [2022-12-06 04:38:20,424 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 04:38:20,424 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 04:38:20,424 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 29 [2022-12-06 04:38:20,424 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 04:38:20,629 INFO L130 PetriNetUnfolder]: 146/323 cut-off events. [2022-12-06 04:38:20,630 INFO L131 PetriNetUnfolder]: For 287/287 co-relation queries the response was YES. [2022-12-06 04:38:20,630 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 04:38:20,631 INFO L137 encePairwiseOnDemand]: 19/29 looper letters, 52 selfloop transitions, 15 changer transitions 0/67 dead transitions. [2022-12-06 04:38:20,631 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 67 transitions, 442 flow [2022-12-06 04:38:20,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-06 04:38:20,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-06 04:38:20,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 54 transitions. [2022-12-06 04:38:20,633 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.3103448275862069 [2022-12-06 04:38:20,633 INFO L175 Difference]: Start difference. First operand has 41 places, 41 transitions, 195 flow. Second operand 6 states and 54 transitions. [2022-12-06 04:38:20,633 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 67 transitions, 442 flow [2022-12-06 04:38:20,635 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 04:38:20,637 INFO L231 Difference]: Finished difference. Result has 46 places, 44 transitions, 267 flow [2022-12-06 04:38:20,637 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 04:38:20,639 INFO L294 CegarLoopForPetriNet]: 43 programPoint places, 3 predicate places. [2022-12-06 04:38:20,639 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 04:38:20,639 INFO L89 Accepts]: Start accepts. Operand has 46 places, 44 transitions, 267 flow [2022-12-06 04:38:20,639 INFO L95 Accepts]: Finished accepts. [2022-12-06 04:38:20,639 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:38:20,640 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 44 transitions, 267 flow [2022-12-06 04:38:20,640 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 46 places, 44 transitions, 267 flow [2022-12-06 04:38:20,650 INFO L130 PetriNetUnfolder]: 25/112 cut-off events. [2022-12-06 04:38:20,650 INFO L131 PetriNetUnfolder]: For 151/152 co-relation queries the response was YES. [2022-12-06 04:38:20,650 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 04:38:20,651 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 44 transitions, 267 flow [2022-12-06 04:38:20,651 INFO L188 LiptonReduction]: Number of co-enabled transitions 126 [2022-12-06 04:38:22,785 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 04:38:22,786 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 2147 [2022-12-06 04:38:22,786 INFO L495 AbstractCegarLoop]: Abstraction has has 46 places, 44 transitions, 267 flow [2022-12-06 04:38:22,786 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 04:38:22,786 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:38:22,786 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 04:38:22,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-06 04:38:22,786 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 04:38:22,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:38:22,787 INFO L85 PathProgramCache]: Analyzing trace with hash -146490843, now seen corresponding path program 1 times [2022-12-06 04:38:22,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:38:22,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321116614] [2022-12-06 04:38:22,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:38:22,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:38:22,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-06 04:38:22,858 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-06 04:38:22,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-06 04:38:22,923 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-06 04:38:22,924 INFO L373 BasicCegarLoop]: Counterexample is feasible [2022-12-06 04:38:22,924 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 8 remaining) [2022-12-06 04:38:22,926 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (6 of 8 remaining) [2022-12-06 04:38:22,926 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (5 of 8 remaining) [2022-12-06 04:38:22,926 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (4 of 8 remaining) [2022-12-06 04:38:22,926 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (3 of 8 remaining) [2022-12-06 04:38:22,926 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (2 of 8 remaining) [2022-12-06 04:38:22,926 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 8 remaining) [2022-12-06 04:38:22,926 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 8 remaining) [2022-12-06 04:38:22,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-06 04:38:22,926 INFO L458 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 04:38:22,930 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-06 04:38:22,930 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-06 04:38:23,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 04:38:23 BasicIcfg [2022-12-06 04:38:23,020 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-06 04:38:23,021 INFO L158 Benchmark]: Toolchain (without parser) took 86732.22ms. Allocated memory was 224.4MB in the beginning and 321.9MB in the end (delta: 97.5MB). Free memory was 196.3MB in the beginning and 278.8MB in the end (delta: -82.5MB). Peak memory consumption was 196.3MB. Max. memory is 8.0GB. [2022-12-06 04:38:23,021 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 224.4MB. Free memory is still 200.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 04:38:23,021 INFO L158 Benchmark]: CACSL2BoogieTranslator took 760.29ms. Allocated memory is still 224.4MB. Free memory was 196.3MB in the beginning and 181.5MB in the end (delta: 14.8MB). Peak memory consumption was 49.3MB. Max. memory is 8.0GB. [2022-12-06 04:38:23,021 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.72ms. Allocated memory is still 224.4MB. Free memory was 181.5MB in the beginning and 178.4MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-12-06 04:38:23,021 INFO L158 Benchmark]: Boogie Preprocessor took 25.56ms. Allocated memory is still 224.4MB. Free memory was 178.4MB in the beginning and 175.2MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-12-06 04:38:23,022 INFO L158 Benchmark]: RCFGBuilder took 532.40ms. Allocated memory is still 224.4MB. Free memory was 175.2MB in the beginning and 148.5MB in the end (delta: 26.7MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2022-12-06 04:38:23,022 INFO L158 Benchmark]: TraceAbstraction took 85355.02ms. Allocated memory was 224.4MB in the beginning and 321.9MB in the end (delta: 97.5MB). Free memory was 147.5MB in the beginning and 278.8MB in the end (delta: -131.3MB). Peak memory consumption was 147.1MB. Max. memory is 8.0GB. [2022-12-06 04:38:23,022 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 224.4MB. Free memory is still 200.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 760.29ms. Allocated memory is still 224.4MB. Free memory was 196.3MB in the beginning and 181.5MB in the end (delta: 14.8MB). Peak memory consumption was 49.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 54.72ms. Allocated memory is still 224.4MB. Free memory was 181.5MB in the beginning and 178.4MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 25.56ms. Allocated memory is still 224.4MB. Free memory was 178.4MB in the beginning and 175.2MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 532.40ms. Allocated memory is still 224.4MB. Free memory was 175.2MB in the beginning and 148.5MB in the end (delta: 26.7MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * TraceAbstraction took 85355.02ms. Allocated memory was 224.4MB in the beginning and 321.9MB in the end (delta: 97.5MB). Free memory was 147.5MB in the beginning and 278.8MB in the end (delta: -131.3MB). Peak memory consumption was 147.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 53.5s, 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: 41910, independent: 116, independent conditional: 0, independent unconditional: 116, dependent: 548, dependent conditional: 0, dependent unconditional: 548, unknown: 41246, unknown conditional: 0, unknown unconditional: 41246] ], 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: 11.3s, 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: 11066, independent: 99, independent conditional: 0, independent unconditional: 99, dependent: 117, dependent conditional: 0, dependent unconditional: 117, unknown: 10851, unknown conditional: 0, unknown unconditional: 10851] ], 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: 4330, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 3, dependent conditional: 3, dependent unconditional: 0, unknown: 4327, unknown conditional: 4327, 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: 4, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 4, dependent conditional: 2, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], 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: 4, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], 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: 6602, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 126, dependent conditional: 0, dependent unconditional: 126, 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: 2.5s, 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: 2178, independent: 2, independent conditional: 2, independent unconditional: 0, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 2172, unknown conditional: 0, unknown unconditional: 2172] ], 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: 2.1s, 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: 2133, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 6, dependent conditional: 5, dependent unconditional: 1, unknown: 2127, unknown conditional: 0, unknown unconditional: 2127] ], 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: 85.2s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 53.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 169 SdHoareTripleChecker+Valid, 0.6s 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, 0.3s SatisfiabilityAnalysisTime, 2.2s 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 04:38:23,166 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...