/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithDisjunctivePredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/ldv-races/race-2_3-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 06:47:08,344 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 06:47:08,346 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 06:47:08,374 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 06:47:08,377 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 06:47:08,380 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 06:47:08,383 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 06:47:08,386 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 06:47:08,392 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 06:47:08,395 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 06:47:08,396 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 06:47:08,396 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 06:47:08,397 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 06:47:08,397 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 06:47:08,398 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 06:47:08,399 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 06:47:08,399 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 06:47:08,400 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 06:47:08,401 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 06:47:08,402 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 06:47:08,403 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 06:47:08,412 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 06:47:08,413 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 06:47:08,415 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 06:47:08,422 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 06:47:08,422 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 06:47:08,423 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 06:47:08,424 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 06:47:08,424 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 06:47:08,425 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 06:47:08,426 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 06:47:08,426 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 06:47:08,428 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 06:47:08,428 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 06:47:08,429 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 06:47:08,429 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 06:47:08,429 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 06:47:08,429 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 06:47:08,429 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 06:47:08,430 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 06:47:08,431 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 06:47:08,435 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithDisjunctivePredicates.epf [2022-12-06 06:47:08,464 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 06:47:08,464 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 06:47:08,466 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 06:47:08,466 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 06:47:08,466 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 06:47:08,466 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 06:47:08,467 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 06:47:08,467 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 06:47:08,467 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 06:47:08,467 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 06:47:08,468 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 06:47:08,468 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 06:47:08,468 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 06:47:08,468 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 06:47:08,468 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 06:47:08,468 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 06:47:08,468 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 06:47:08,468 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 06:47:08,469 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 06:47:08,469 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 06:47:08,469 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 06:47:08,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 06:47:08,469 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 06:47:08,469 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 06:47:08,469 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 06:47:08,469 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 06:47:08,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 06:47:08,469 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 06:47:08,470 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-06 06:47:08,718 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 06:47:08,735 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 06:47:08,736 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 06:47:08,737 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 06:47:08,743 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 06:47:08,745 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_3-container_of.i [2022-12-06 06:47:09,888 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 06:47:10,231 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 06:47:10,232 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_3-container_of.i [2022-12-06 06:47:10,252 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d25ebe840/3f1782a54e95439e8bd9fe766ca29537/FLAG2da214d91 [2022-12-06 06:47:10,268 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d25ebe840/3f1782a54e95439e8bd9fe766ca29537 [2022-12-06 06:47:10,270 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 06:47:10,271 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 06:47:10,272 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 06:47:10,272 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 06:47:10,274 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 06:47:10,274 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:47:10" (1/1) ... [2022-12-06 06:47:10,275 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7352d80a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:47:10, skipping insertion in model container [2022-12-06 06:47:10,275 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:47:10" (1/1) ... [2022-12-06 06:47:10,279 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 06:47:10,326 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 06:47:10,435 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-06 06:47:10,864 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_3-container_of.i[75002,75015] [2022-12-06 06:47:10,873 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:47:10,873 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:47:10,873 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:47:10,874 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:47:10,874 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:47:10,875 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:47:10,888 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:47:10,889 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:47:10,889 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:47:10,889 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:47:10,889 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:47:10,890 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:47:10,890 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:47:10,890 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:47:10,899 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 06:47:10,907 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 06:47:10,915 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-06 06:47:10,946 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_3-container_of.i[75002,75015] [2022-12-06 06:47:10,949 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:47:10,952 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:47:10,952 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:47:10,952 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:47:10,953 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:47:10,953 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:47:10,957 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:47:10,958 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:47:10,958 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:47:10,958 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:47:10,958 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:47:10,959 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:47:10,960 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:47:10,960 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:47:10,967 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 06:47:11,051 INFO L208 MainTranslator]: Completed translation [2022-12-06 06:47:11,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:47:11 WrapperNode [2022-12-06 06:47:11,053 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 06:47:11,054 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 06:47:11,054 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 06:47:11,054 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 06:47:11,059 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:47:11" (1/1) ... [2022-12-06 06:47:11,088 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:47:11" (1/1) ... [2022-12-06 06:47:11,109 INFO L138 Inliner]: procedures = 469, calls = 63, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 143 [2022-12-06 06:47:11,110 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 06:47:11,110 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 06:47:11,110 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 06:47:11,110 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 06:47:11,117 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:47:11" (1/1) ... [2022-12-06 06:47:11,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:47:11" (1/1) ... [2022-12-06 06:47:11,122 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:47:11" (1/1) ... [2022-12-06 06:47:11,122 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:47:11" (1/1) ... [2022-12-06 06:47:11,150 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:47:11" (1/1) ... [2022-12-06 06:47:11,152 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:47:11" (1/1) ... [2022-12-06 06:47:11,155 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:47:11" (1/1) ... [2022-12-06 06:47:11,157 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:47:11" (1/1) ... [2022-12-06 06:47:11,167 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 06:47:11,167 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 06:47:11,167 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 06:47:11,168 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 06:47:11,168 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:47:11" (1/1) ... [2022-12-06 06:47:11,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 06:47:11,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 06:47:11,219 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-06 06:47:11,226 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-06 06:47:11,252 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-06 06:47:11,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 06:47:11,252 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-06 06:47:11,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-06 06:47:11,253 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-06 06:47:11,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 06:47:11,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-06 06:47:11,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 06:47:11,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 06:47:11,253 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2022-12-06 06:47:11,253 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2022-12-06 06:47:11,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 06:47:11,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 06:47:11,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 06:47:11,254 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-06 06:47:11,543 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 06:47:11,545 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 06:47:11,704 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 06:47:11,762 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 06:47:11,762 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-06 06:47:11,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:47:11 BoogieIcfgContainer [2022-12-06 06:47:11,767 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 06:47:11,769 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 06:47:11,769 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 06:47:11,771 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 06:47:11,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 06:47:10" (1/3) ... [2022-12-06 06:47:11,772 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ff4a0c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 06:47:11, skipping insertion in model container [2022-12-06 06:47:11,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:47:11" (2/3) ... [2022-12-06 06:47:11,772 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ff4a0c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 06:47:11, skipping insertion in model container [2022-12-06 06:47:11,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:47:11" (3/3) ... [2022-12-06 06:47:11,773 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_3-container_of.i [2022-12-06 06:47:11,787 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 06:47:11,787 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-12-06 06:47:11,787 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 06:47:11,853 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-06 06:47:11,889 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 158 places, 158 transitions, 332 flow [2022-12-06 06:47:11,990 INFO L130 PetriNetUnfolder]: 8/196 cut-off events. [2022-12-06 06:47:11,991 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-06 06:47:11,995 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 7. Compared 340 event pairs, 0 based on Foata normal form. 0/178 useless extension candidates. Maximal degree in co-relation 103. Up to 4 conditions per place. [2022-12-06 06:47:11,996 INFO L82 GeneralOperation]: Start removeDead. Operand has 158 places, 158 transitions, 332 flow [2022-12-06 06:47:12,000 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 148 places, 146 transitions, 304 flow [2022-12-06 06:47:12,001 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:47:12,018 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 148 places, 146 transitions, 304 flow [2022-12-06 06:47:12,025 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 148 places, 146 transitions, 304 flow [2022-12-06 06:47:12,085 INFO L130 PetriNetUnfolder]: 5/177 cut-off events. [2022-12-06 06:47:12,086 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-06 06:47:12,088 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 7. Compared 288 event pairs, 0 based on Foata normal form. 0/164 useless extension candidates. Maximal degree in co-relation 93. Up to 4 conditions per place. [2022-12-06 06:47:12,091 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 148 places, 146 transitions, 304 flow [2022-12-06 06:47:12,091 INFO L188 LiptonReduction]: Number of co-enabled transitions 2704 [2022-12-06 06:47:16,563 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:16,564 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:16,566 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:16,567 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:16,892 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:16,894 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:16,896 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:16,897 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:17,147 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:17,148 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:17,149 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:17,150 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:24,225 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:24,226 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:24,229 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:24,230 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:28,878 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:28,879 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:28,881 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:28,882 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:40,944 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:40,944 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2022-12-06 06:47:40,948 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:40,949 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:40,952 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:40,953 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2022-12-06 06:47:40,956 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:40,957 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:41,642 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:41,643 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:41,644 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:41,646 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:43,925 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:43,927 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:43,928 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:43,929 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:44,062 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:44,063 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:44,064 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:44,064 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:45,399 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:45,399 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:45,401 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:45,401 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:45,487 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:45,488 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:45,491 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:45,492 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:45,499 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:45,500 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-06 06:47:45,503 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:45,503 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:45,520 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:45,521 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-06 06:47:45,523 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:45,523 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:45,526 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:45,527 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-06 06:47:45,529 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:45,530 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:45,532 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:45,532 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-06 06:47:45,534 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:45,534 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:46,885 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:46,886 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-06 06:47:46,889 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:46,890 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:46,893 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:46,894 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-06 06:47:46,896 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:46,896 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:46,902 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:46,902 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:46,905 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:46,906 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:46,908 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:46,909 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-06 06:47:46,911 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:46,912 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:46,914 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:46,914 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-06 06:47:46,916 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:46,917 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:48:10,246 INFO L203 LiptonReduction]: Total number of compositions: 113 [2022-12-06 06:48:10,256 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 06:48:10,260 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;@2473aa0e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 06:48:10,261 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-12-06 06:48:10,264 INFO L130 PetriNetUnfolder]: 0/9 cut-off events. [2022-12-06 06:48:10,264 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 06:48:10,264 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:48:10,265 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2022-12-06 06:48:10,265 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-12-06 06:48:10,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:48:10,268 INFO L85 PathProgramCache]: Analyzing trace with hash 567356, now seen corresponding path program 1 times [2022-12-06 06:48:10,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:48:10,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843458152] [2022-12-06 06:48:10,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:48:10,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:48:10,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:48:10,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:48:10,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:48:10,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843458152] [2022-12-06 06:48:10,541 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843458152] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:48:10,541 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:48:10,541 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-06 06:48:10,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142468018] [2022-12-06 06:48:10,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:48:10,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-06 06:48:10,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:48:10,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-06 06:48:10,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-06 06:48:10,572 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2022-12-06 06:48:10,573 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 38 transitions, 88 flow. Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:48:10,573 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:48:10,573 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2022-12-06 06:48:10,573 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:48:10,799 INFO L130 PetriNetUnfolder]: 529/978 cut-off events. [2022-12-06 06:48:10,799 INFO L131 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES. [2022-12-06 06:48:10,803 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1894 conditions, 978 events. 529/978 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 5609 event pairs, 528 based on Foata normal form. 31/744 useless extension candidates. Maximal degree in co-relation 1814. Up to 893 conditions per place. [2022-12-06 06:48:10,809 INFO L137 encePairwiseOnDemand]: 37/38 looper letters, 31 selfloop transitions, 0 changer transitions 0/37 dead transitions. [2022-12-06 06:48:10,809 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 37 transitions, 148 flow [2022-12-06 06:48:10,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-06 06:48:10,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-06 06:48:10,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 44 transitions. [2022-12-06 06:48:10,817 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5789473684210527 [2022-12-06 06:48:10,818 INFO L175 Difference]: Start difference. First operand has 42 places, 38 transitions, 88 flow. Second operand 2 states and 44 transitions. [2022-12-06 06:48:10,819 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 37 transitions, 148 flow [2022-12-06 06:48:10,821 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 37 transitions, 140 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-06 06:48:10,822 INFO L231 Difference]: Finished difference. Result has 39 places, 37 transitions, 78 flow [2022-12-06 06:48:10,824 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=78, PETRI_PLACES=39, PETRI_TRANSITIONS=37} [2022-12-06 06:48:10,826 INFO L294 CegarLoopForPetriNet]: 42 programPoint places, -3 predicate places. [2022-12-06 06:48:10,827 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:48:10,827 INFO L89 Accepts]: Start accepts. Operand has 39 places, 37 transitions, 78 flow [2022-12-06 06:48:10,829 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:48:10,829 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:48:10,829 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 39 places, 37 transitions, 78 flow [2022-12-06 06:48:10,831 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 38 places, 37 transitions, 78 flow [2022-12-06 06:48:10,837 INFO L130 PetriNetUnfolder]: 1/43 cut-off events. [2022-12-06 06:48:10,838 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 06:48:10,838 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46 conditions, 43 events. 1/43 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 90 event pairs, 0 based on Foata normal form. 0/32 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2022-12-06 06:48:10,838 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 38 places, 37 transitions, 78 flow [2022-12-06 06:48:10,838 INFO L188 LiptonReduction]: Number of co-enabled transitions 420 [2022-12-06 06:48:10,853 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:48:10,854 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:48:10,855 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:48:10,856 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:48:13,335 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-06 06:48:13,336 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 2509 [2022-12-06 06:48:13,337 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 36 transitions, 76 flow [2022-12-06 06:48:13,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:48:13,337 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:48:13,337 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2022-12-06 06:48:13,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 06:48:13,337 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-12-06 06:48:13,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:48:13,338 INFO L85 PathProgramCache]: Analyzing trace with hash 17582795, now seen corresponding path program 1 times [2022-12-06 06:48:13,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:48:13,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961010729] [2022-12-06 06:48:13,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:48:13,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:48:13,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:48:13,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:48:13,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:48:13,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961010729] [2022-12-06 06:48:13,642 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961010729] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:48:13,642 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:48:13,642 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 06:48:13,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156084227] [2022-12-06 06:48:13,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:48:13,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 06:48:13,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:48:13,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 06:48:13,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 06:48:13,645 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 36 [2022-12-06 06:48:13,645 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 36 transitions, 76 flow. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:48:13,645 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:48:13,645 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 36 [2022-12-06 06:48:13,647 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:48:13,922 INFO L130 PetriNetUnfolder]: 1281/2114 cut-off events. [2022-12-06 06:48:13,922 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-06 06:48:13,924 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4238 conditions, 2114 events. 1281/2114 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 10829 event pairs, 834 based on Foata normal form. 0/1710 useless extension candidates. Maximal degree in co-relation 365. Up to 1690 conditions per place. [2022-12-06 06:48:13,931 INFO L137 encePairwiseOnDemand]: 29/36 looper letters, 45 selfloop transitions, 6 changer transitions 0/51 dead transitions. [2022-12-06 06:48:13,931 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 51 transitions, 208 flow [2022-12-06 06:48:13,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 06:48:13,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 06:48:13,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 52 transitions. [2022-12-06 06:48:13,933 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.48148148148148145 [2022-12-06 06:48:13,933 INFO L175 Difference]: Start difference. First operand has 37 places, 36 transitions, 76 flow. Second operand 3 states and 52 transitions. [2022-12-06 06:48:13,933 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 51 transitions, 208 flow [2022-12-06 06:48:13,933 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 51 transitions, 208 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-06 06:48:13,935 INFO L231 Difference]: Finished difference. Result has 40 places, 40 transitions, 112 flow [2022-12-06 06:48:13,935 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=36, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=112, PETRI_PLACES=40, PETRI_TRANSITIONS=40} [2022-12-06 06:48:13,935 INFO L294 CegarLoopForPetriNet]: 42 programPoint places, -2 predicate places. [2022-12-06 06:48:13,936 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:48:13,936 INFO L89 Accepts]: Start accepts. Operand has 40 places, 40 transitions, 112 flow [2022-12-06 06:48:13,936 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:48:13,936 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:48:13,936 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 40 transitions, 112 flow [2022-12-06 06:48:13,937 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 40 places, 40 transitions, 112 flow [2022-12-06 06:48:13,947 INFO L130 PetriNetUnfolder]: 29/138 cut-off events. [2022-12-06 06:48:13,947 INFO L131 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES. [2022-12-06 06:48:13,947 INFO L83 FinitePrefix]: Finished finitePrefix Result has 218 conditions, 138 events. 29/138 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 663 event pairs, 16 based on Foata normal form. 0/126 useless extension candidates. Maximal degree in co-relation 63. Up to 53 conditions per place. [2022-12-06 06:48:13,948 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 40 transitions, 112 flow [2022-12-06 06:48:13,948 INFO L188 LiptonReduction]: Number of co-enabled transitions 452 [2022-12-06 06:48:18,410 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 06:48:18,411 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 4475 [2022-12-06 06:48:18,411 INFO L495 AbstractCegarLoop]: Abstraction has has 40 places, 40 transitions, 112 flow [2022-12-06 06:48:18,411 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:48:18,411 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:48:18,411 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2022-12-06 06:48:18,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 06:48:18,412 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-12-06 06:48:18,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:48:18,412 INFO L85 PathProgramCache]: Analyzing trace with hash 545065973, now seen corresponding path program 1 times [2022-12-06 06:48:18,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:48:18,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487571184] [2022-12-06 06:48:18,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:48:18,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:48:18,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:48:18,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:48:18,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:48:18,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487571184] [2022-12-06 06:48:18,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487571184] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:48:18,519 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:48:18,519 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 06:48:18,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384791929] [2022-12-06 06:48:18,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:48:18,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 06:48:18,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:48:18,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 06:48:18,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 06:48:18,520 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 36 [2022-12-06 06:48:18,520 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 40 transitions, 112 flow. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:48:18,520 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:48:18,520 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 36 [2022-12-06 06:48:18,520 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:48:18,763 INFO L130 PetriNetUnfolder]: 1355/2258 cut-off events. [2022-12-06 06:48:18,763 INFO L131 PetriNetUnfolder]: For 416/416 co-relation queries the response was YES. [2022-12-06 06:48:18,766 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5237 conditions, 2258 events. 1355/2258 cut-off events. For 416/416 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 12001 event pairs, 910 based on Foata normal form. 90/2025 useless extension candidates. Maximal degree in co-relation 2416. Up to 1795 conditions per place. [2022-12-06 06:48:18,773 INFO L137 encePairwiseOnDemand]: 30/36 looper letters, 47 selfloop transitions, 9 changer transitions 2/58 dead transitions. [2022-12-06 06:48:18,773 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 58 transitions, 286 flow [2022-12-06 06:48:18,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 06:48:18,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 06:48:18,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 51 transitions. [2022-12-06 06:48:18,775 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.4722222222222222 [2022-12-06 06:48:18,775 INFO L175 Difference]: Start difference. First operand has 40 places, 40 transitions, 112 flow. Second operand 3 states and 51 transitions. [2022-12-06 06:48:18,775 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 58 transitions, 286 flow [2022-12-06 06:48:18,781 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 58 transitions, 276 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-06 06:48:18,782 INFO L231 Difference]: Finished difference. Result has 42 places, 46 transitions, 177 flow [2022-12-06 06:48:18,782 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=36, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=177, PETRI_PLACES=42, PETRI_TRANSITIONS=46} [2022-12-06 06:48:18,783 INFO L294 CegarLoopForPetriNet]: 42 programPoint places, 0 predicate places. [2022-12-06 06:48:18,783 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:48:18,783 INFO L89 Accepts]: Start accepts. Operand has 42 places, 46 transitions, 177 flow [2022-12-06 06:48:18,784 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:48:18,784 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:48:18,784 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 46 transitions, 177 flow [2022-12-06 06:48:18,785 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 42 places, 46 transitions, 177 flow [2022-12-06 06:48:18,801 INFO L130 PetriNetUnfolder]: 72/214 cut-off events. [2022-12-06 06:48:18,801 INFO L131 PetriNetUnfolder]: For 96/98 co-relation queries the response was YES. [2022-12-06 06:48:18,801 INFO L83 FinitePrefix]: Finished finitePrefix Result has 494 conditions, 214 events. 72/214 cut-off events. For 96/98 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1086 event pairs, 16 based on Foata normal form. 0/203 useless extension candidates. Maximal degree in co-relation 165. Up to 113 conditions per place. [2022-12-06 06:48:18,802 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 46 transitions, 177 flow [2022-12-06 06:48:18,802 INFO L188 LiptonReduction]: Number of co-enabled transitions 484 [2022-12-06 06:48:25,481 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 06:48:25,482 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 6699 [2022-12-06 06:48:25,482 INFO L495 AbstractCegarLoop]: Abstraction has has 42 places, 46 transitions, 177 flow [2022-12-06 06:48:25,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:48:25,483 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:48:25,483 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-06 06:48:25,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-06 06:48:25,483 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-12-06 06:48:25,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:48:25,483 INFO L85 PathProgramCache]: Analyzing trace with hash 230682413, now seen corresponding path program 1 times [2022-12-06 06:48:25,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:48:25,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746821867] [2022-12-06 06:48:25,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:48:25,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:48:25,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:48:25,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:48:25,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:48:25,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746821867] [2022-12-06 06:48:25,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746821867] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:48:25,710 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:48:25,710 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 06:48:25,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475374006] [2022-12-06 06:48:25,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:48:25,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 06:48:25,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:48:25,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 06:48:25,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 06:48:25,711 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 34 [2022-12-06 06:48:25,712 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 46 transitions, 177 flow. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:48:25,712 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:48:25,712 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 34 [2022-12-06 06:48:25,712 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:48:26,248 INFO L130 PetriNetUnfolder]: 1745/2881 cut-off events. [2022-12-06 06:48:26,249 INFO L131 PetriNetUnfolder]: For 1468/1468 co-relation queries the response was YES. [2022-12-06 06:48:26,251 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7439 conditions, 2881 events. 1745/2881 cut-off events. For 1468/1468 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 15692 event pairs, 848 based on Foata normal form. 0/2485 useless extension candidates. Maximal degree in co-relation 4747. Up to 2201 conditions per place. [2022-12-06 06:48:26,259 INFO L137 encePairwiseOnDemand]: 25/34 looper letters, 58 selfloop transitions, 8 changer transitions 0/66 dead transitions. [2022-12-06 06:48:26,260 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 66 transitions, 368 flow [2022-12-06 06:48:26,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 06:48:26,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 06:48:26,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 55 transitions. [2022-12-06 06:48:26,261 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5392156862745098 [2022-12-06 06:48:26,261 INFO L175 Difference]: Start difference. First operand has 42 places, 46 transitions, 177 flow. Second operand 3 states and 55 transitions. [2022-12-06 06:48:26,263 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 66 transitions, 368 flow [2022-12-06 06:48:26,266 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 66 transitions, 359 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-06 06:48:26,284 INFO L231 Difference]: Finished difference. Result has 45 places, 53 transitions, 248 flow [2022-12-06 06:48:26,284 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=168, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=248, PETRI_PLACES=45, PETRI_TRANSITIONS=53} [2022-12-06 06:48:26,285 INFO L294 CegarLoopForPetriNet]: 42 programPoint places, 3 predicate places. [2022-12-06 06:48:26,285 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:48:26,286 INFO L89 Accepts]: Start accepts. Operand has 45 places, 53 transitions, 248 flow [2022-12-06 06:48:26,286 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:48:26,286 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:48:26,286 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 53 transitions, 248 flow [2022-12-06 06:48:26,287 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 45 places, 53 transitions, 248 flow [2022-12-06 06:48:26,329 INFO L130 PetriNetUnfolder]: 131/361 cut-off events. [2022-12-06 06:48:26,329 INFO L131 PetriNetUnfolder]: For 347/351 co-relation queries the response was YES. [2022-12-06 06:48:26,329 INFO L83 FinitePrefix]: Finished finitePrefix Result has 948 conditions, 361 events. 131/361 cut-off events. For 347/351 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 2018 event pairs, 25 based on Foata normal form. 0/347 useless extension candidates. Maximal degree in co-relation 176. Up to 169 conditions per place. [2022-12-06 06:48:26,331 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 53 transitions, 248 flow [2022-12-06 06:48:26,331 INFO L188 LiptonReduction]: Number of co-enabled transitions 564 [2022-12-06 06:48:30,790 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 06:48:30,791 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 4506 [2022-12-06 06:48:30,791 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 53 transitions, 248 flow [2022-12-06 06:48:30,792 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:48:30,792 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:48:30,792 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 06:48:30,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-06 06:48:30,792 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-12-06 06:48:30,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:48:30,792 INFO L85 PathProgramCache]: Analyzing trace with hash -1438779456, now seen corresponding path program 1 times [2022-12-06 06:48:30,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:48:30,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189174430] [2022-12-06 06:48:30,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:48:30,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:48:30,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:48:31,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:48:31,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:48:31,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189174430] [2022-12-06 06:48:31,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189174430] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:48:31,002 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:48:31,002 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 06:48:31,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370155876] [2022-12-06 06:48:31,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:48:31,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 06:48:31,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:48:31,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 06:48:31,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 06:48:31,003 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 34 [2022-12-06 06:48:31,003 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 53 transitions, 248 flow. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:48:31,003 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:48:31,003 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 34 [2022-12-06 06:48:31,003 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:48:31,329 INFO L130 PetriNetUnfolder]: 2070/3404 cut-off events. [2022-12-06 06:48:31,329 INFO L131 PetriNetUnfolder]: For 3880/3880 co-relation queries the response was YES. [2022-12-06 06:48:31,332 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9973 conditions, 3404 events. 2070/3404 cut-off events. For 3880/3880 co-relation queries the response was YES. Maximal size of possible extension queue 178. Compared 19106 event pairs, 1012 based on Foata normal form. 0/3022 useless extension candidates. Maximal degree in co-relation 728. Up to 2547 conditions per place. [2022-12-06 06:48:31,341 INFO L137 encePairwiseOnDemand]: 25/34 looper letters, 62 selfloop transitions, 14 changer transitions 0/76 dead transitions. [2022-12-06 06:48:31,341 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 76 transitions, 515 flow [2022-12-06 06:48:31,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 06:48:31,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 06:48:31,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 54 transitions. [2022-12-06 06:48:31,344 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5294117647058824 [2022-12-06 06:48:31,344 INFO L175 Difference]: Start difference. First operand has 45 places, 53 transitions, 248 flow. Second operand 3 states and 54 transitions. [2022-12-06 06:48:31,344 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 76 transitions, 515 flow [2022-12-06 06:48:31,348 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 76 transitions, 457 flow, removed 16 selfloop flow, removed 2 redundant places. [2022-12-06 06:48:31,349 INFO L231 Difference]: Finished difference. Result has 47 places, 64 transitions, 356 flow [2022-12-06 06:48:31,349 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=216, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=356, PETRI_PLACES=47, PETRI_TRANSITIONS=64} [2022-12-06 06:48:31,351 INFO L294 CegarLoopForPetriNet]: 42 programPoint places, 5 predicate places. [2022-12-06 06:48:31,351 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:48:31,351 INFO L89 Accepts]: Start accepts. Operand has 47 places, 64 transitions, 356 flow [2022-12-06 06:48:31,352 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:48:31,352 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:48:31,352 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 64 transitions, 356 flow [2022-12-06 06:48:31,353 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 47 places, 64 transitions, 356 flow [2022-12-06 06:48:31,386 INFO L130 PetriNetUnfolder]: 238/552 cut-off events. [2022-12-06 06:48:31,386 INFO L131 PetriNetUnfolder]: For 961/968 co-relation queries the response was YES. [2022-12-06 06:48:31,386 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1724 conditions, 552 events. 238/552 cut-off events. For 961/968 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 3167 event pairs, 23 based on Foata normal form. 0/532 useless extension candidates. Maximal degree in co-relation 297. Up to 263 conditions per place. [2022-12-06 06:48:31,389 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 47 places, 64 transitions, 356 flow [2022-12-06 06:48:31,389 INFO L188 LiptonReduction]: Number of co-enabled transitions 624 [2022-12-06 06:48:31,479 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-06 06:48:31,482 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 131 [2022-12-06 06:48:31,482 INFO L495 AbstractCegarLoop]: Abstraction has has 47 places, 64 transitions, 360 flow [2022-12-06 06:48:31,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:48:31,482 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:48:31,482 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 06:48:31,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-06 06:48:31,482 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-12-06 06:48:31,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:48:31,483 INFO L85 PathProgramCache]: Analyzing trace with hash -1993503145, now seen corresponding path program 1 times [2022-12-06 06:48:31,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:48:31,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127129365] [2022-12-06 06:48:31,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:48:31,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:48:31,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-06 06:48:31,519 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-06 06:48:31,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-06 06:48:31,554 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-06 06:48:31,555 INFO L373 BasicCegarLoop]: Counterexample is feasible [2022-12-06 06:48:31,555 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 8 remaining) [2022-12-06 06:48:31,556 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (6 of 8 remaining) [2022-12-06 06:48:31,556 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (5 of 8 remaining) [2022-12-06 06:48:31,557 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (4 of 8 remaining) [2022-12-06 06:48:31,557 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (3 of 8 remaining) [2022-12-06 06:48:31,557 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (2 of 8 remaining) [2022-12-06 06:48:31,557 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 8 remaining) [2022-12-06 06:48:31,557 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 8 remaining) [2022-12-06 06:48:31,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-06 06:48:31,557 INFO L458 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-12-06 06:48:31,560 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-06 06:48:31,560 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-06 06:48:31,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 06:48:31 BasicIcfg [2022-12-06 06:48:31,599 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-06 06:48:31,600 INFO L158 Benchmark]: Toolchain (without parser) took 81328.11ms. Allocated memory was 202.4MB in the beginning and 287.3MB in the end (delta: 84.9MB). Free memory was 175.5MB in the beginning and 141.5MB in the end (delta: 34.0MB). Peak memory consumption was 118.4MB. Max. memory is 8.0GB. [2022-12-06 06:48:31,601 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 202.4MB. Free memory is still 178.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 06:48:31,601 INFO L158 Benchmark]: CACSL2BoogieTranslator took 781.54ms. Allocated memory is still 202.4MB. Free memory was 175.5MB in the beginning and 119.9MB in the end (delta: 55.6MB). Peak memory consumption was 55.6MB. Max. memory is 8.0GB. [2022-12-06 06:48:31,601 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.64ms. Allocated memory is still 202.4MB. Free memory was 119.9MB in the beginning and 116.7MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-12-06 06:48:31,601 INFO L158 Benchmark]: Boogie Preprocessor took 56.64ms. Allocated memory is still 202.4MB. Free memory was 116.7MB in the beginning and 113.1MB in the end (delta: 3.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-12-06 06:48:31,602 INFO L158 Benchmark]: RCFGBuilder took 599.46ms. Allocated memory is still 202.4MB. Free memory was 113.1MB in the beginning and 85.8MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2022-12-06 06:48:31,602 INFO L158 Benchmark]: TraceAbstraction took 79830.09ms. Allocated memory was 202.4MB in the beginning and 287.3MB in the end (delta: 84.9MB). Free memory was 85.3MB in the beginning and 141.5MB in the end (delta: -56.2MB). Peak memory consumption was 28.2MB. Max. memory is 8.0GB. [2022-12-06 06:48:31,603 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 202.4MB. Free memory is still 178.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 781.54ms. Allocated memory is still 202.4MB. Free memory was 175.5MB in the beginning and 119.9MB in the end (delta: 55.6MB). Peak memory consumption was 55.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 55.64ms. Allocated memory is still 202.4MB. Free memory was 119.9MB in the beginning and 116.7MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 56.64ms. Allocated memory is still 202.4MB. Free memory was 116.7MB in the beginning and 113.1MB in the end (delta: 3.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 599.46ms. Allocated memory is still 202.4MB. Free memory was 113.1MB in the beginning and 85.8MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * TraceAbstraction took 79830.09ms. Allocated memory was 202.4MB in the beginning and 287.3MB in the end (delta: 84.9MB). Free memory was 85.3MB in the beginning and 141.5MB in the end (delta: -56.2MB). Peak memory consumption was 28.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 58.2s, 148 PlacesBefore, 42 PlacesAfterwards, 146 TransitionsBefore, 38 TransitionsAfterwards, 2704 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 60 TrivialYvCompositions, 49 ConcurrentYvCompositions, 2 ChoiceCompositions, 113 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1972, independent: 1850, independent conditional: 1850, independent unconditional: 0, dependent: 69, dependent conditional: 69, dependent unconditional: 0, unknown: 53, unknown conditional: 53, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1972, independent: 1850, independent conditional: 0, independent unconditional: 1850, dependent: 69, dependent conditional: 0, dependent unconditional: 69, unknown: 53, unknown conditional: 0, unknown unconditional: 53] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1972, independent: 1850, independent conditional: 0, independent unconditional: 1850, dependent: 69, dependent conditional: 0, dependent unconditional: 69, unknown: 53, unknown conditional: 0, unknown unconditional: 53] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1972, independent: 1850, independent conditional: 0, independent unconditional: 1850, dependent: 69, dependent conditional: 0, dependent unconditional: 69, unknown: 53, unknown conditional: 0, unknown unconditional: 53] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1560, independent: 1505, independent conditional: 0, independent unconditional: 1505, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 22, unknown conditional: 0, unknown unconditional: 22] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1560, independent: 1497, independent conditional: 0, independent unconditional: 1497, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 63, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 22, unknown conditional: 0, unknown unconditional: 22] , SemanticIndependenceRelation.Query Time [ms]: [ total: 48391, independent: 182, independent conditional: 0, independent unconditional: 182, dependent: 633, dependent conditional: 0, dependent unconditional: 633, unknown: 47576, unknown conditional: 0, unknown unconditional: 47576] ], Cache Queries: [ total: 1972, independent: 345, independent conditional: 0, independent unconditional: 345, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 1591, unknown conditional: 0, unknown unconditional: 1591] , Statistics on independence cache: Total cache size (in pairs): 2934, Positive cache size: 2901, Positive conditional cache size: 0, Positive unconditional cache size: 2901, Negative cache size: 33, Negative conditional cache size: 0, Negative unconditional cache size: 33, Unknown cache size: 22, Unknown conditional cache size: 0, Unknown unconditional cache size: 22, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.5s, 38 PlacesBefore, 37 PlacesAfterwards, 37 TransitionsBefore, 36 TransitionsAfterwards, 420 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 194, independent: 120, independent conditional: 120, independent unconditional: 0, dependent: 72, dependent conditional: 72, dependent unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 194, independent: 120, independent conditional: 0, independent unconditional: 120, dependent: 72, dependent conditional: 0, dependent unconditional: 72, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 194, independent: 120, independent conditional: 0, independent unconditional: 120, dependent: 72, dependent conditional: 0, dependent unconditional: 72, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 194, independent: 120, independent conditional: 0, independent unconditional: 120, dependent: 72, dependent conditional: 0, dependent unconditional: 72, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 89, independent: 59, independent conditional: 0, independent unconditional: 59, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 89, independent: 55, independent conditional: 0, independent unconditional: 55, dependent: 34, dependent conditional: 0, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 34, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2357, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 180, dependent conditional: 0, dependent unconditional: 180, unknown: 2171, unknown conditional: 0, unknown unconditional: 2171] ], Cache Queries: [ total: 194, independent: 61, independent conditional: 0, independent unconditional: 61, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 90, unknown conditional: 0, unknown unconditional: 90] , Statistics on independence cache: Total cache size (in pairs): 88, Positive cache size: 59, Positive conditional cache size: 0, Positive unconditional cache size: 59, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29, Unknown cache size: 1, Unknown conditional cache size: 0, Unknown unconditional cache size: 1, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.5s, 40 PlacesBefore, 40 PlacesAfterwards, 40 TransitionsBefore, 40 TransitionsAfterwards, 452 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 160, independent: 130, independent conditional: 130, independent unconditional: 0, dependent: 25, dependent conditional: 25, dependent unconditional: 0, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 160, independent: 130, independent conditional: 8, independent unconditional: 122, dependent: 25, dependent conditional: 3, dependent unconditional: 22, unknown: 5, unknown conditional: 4, unknown unconditional: 1] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 160, independent: 130, independent conditional: 8, independent unconditional: 122, dependent: 25, dependent conditional: 3, dependent unconditional: 22, unknown: 5, unknown conditional: 4, unknown unconditional: 1] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 160, independent: 130, independent conditional: 8, independent unconditional: 122, dependent: 25, dependent conditional: 3, dependent unconditional: 22, unknown: 5, unknown conditional: 4, unknown unconditional: 1] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 25, independent: 19, independent conditional: 0, independent unconditional: 19, dependent: 4, dependent conditional: 3, dependent unconditional: 1, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 25, independent: 19, independent conditional: 0, independent unconditional: 19, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 6, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 4, dependent conditional: 3, dependent unconditional: 1, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4458, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 93, dependent conditional: 92, dependent unconditional: 2, unknown: 4365, unknown conditional: 4365, unknown unconditional: 0] ], Cache Queries: [ total: 160, independent: 111, independent conditional: 8, independent unconditional: 103, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 28, unknown conditional: 7, unknown unconditional: 21] , Statistics on independence cache: Total cache size (in pairs): 111, Positive cache size: 78, Positive conditional cache size: 0, Positive unconditional cache size: 78, Negative cache size: 33, Negative conditional cache size: 3, Negative unconditional cache size: 30, Unknown cache size: 3, Unknown conditional cache size: 2, Unknown unconditional cache size: 1, Eliminated conditions: 0, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.7s, 42 PlacesBefore, 42 PlacesAfterwards, 46 TransitionsBefore, 46 TransitionsAfterwards, 484 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 210, independent: 164, independent conditional: 164, independent unconditional: 0, dependent: 41, dependent conditional: 41, dependent unconditional: 0, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 210, independent: 164, independent conditional: 8, independent unconditional: 156, dependent: 41, dependent conditional: 2, dependent unconditional: 39, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 212, independent: 164, independent conditional: 8, independent unconditional: 156, dependent: 43, dependent conditional: 4, dependent unconditional: 39, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 212, independent: 164, independent conditional: 8, independent unconditional: 156, dependent: 43, dependent conditional: 4, dependent unconditional: 39, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 5, dependent conditional: 4, dependent unconditional: 1, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 9, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 8, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 5, dependent conditional: 4, dependent unconditional: 1, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6675, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 92, dependent conditional: 90, dependent unconditional: 2, unknown: 6583, unknown conditional: 0, unknown unconditional: 6583] ], Cache Queries: [ total: 212, independent: 163, independent conditional: 8, independent unconditional: 155, dependent: 38, dependent conditional: 0, dependent unconditional: 38, unknown: 11, unknown conditional: 4, unknown unconditional: 7] , Statistics on independence cache: Total cache size (in pairs): 117, Positive cache size: 79, Positive conditional cache size: 0, Positive unconditional cache size: 79, Negative cache size: 38, Negative conditional cache size: 7, Negative unconditional cache size: 31, Unknown cache size: 6, Unknown conditional cache size: 2, Unknown unconditional cache size: 4, Eliminated conditions: 0, Maximal queried relation: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.5s, 45 PlacesBefore, 45 PlacesAfterwards, 53 TransitionsBefore, 53 TransitionsAfterwards, 564 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 204, independent: 167, independent conditional: 167, independent unconditional: 0, dependent: 33, dependent conditional: 33, dependent unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 204, independent: 167, independent conditional: 20, independent unconditional: 147, dependent: 33, dependent conditional: 12, dependent unconditional: 21, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 206, independent: 167, independent conditional: 20, independent unconditional: 147, dependent: 35, dependent conditional: 14, dependent unconditional: 21, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 206, independent: 167, independent conditional: 20, independent unconditional: 147, dependent: 35, dependent conditional: 14, dependent unconditional: 21, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 21, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 9, dependent conditional: 6, dependent unconditional: 3, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 21, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 11, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 9, dependent conditional: 6, dependent unconditional: 3, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4453, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 122, dependent conditional: 113, dependent unconditional: 8, unknown: 4332, unknown conditional: 4332, unknown unconditional: 0] ], Cache Queries: [ total: 206, independent: 157, independent conditional: 20, independent unconditional: 137, dependent: 26, dependent conditional: 8, dependent unconditional: 18, unknown: 23, unknown conditional: 10, unknown unconditional: 13] , Statistics on independence cache: Total cache size (in pairs): 136, Positive cache size: 89, Positive conditional cache size: 0, Positive unconditional cache size: 89, Negative cache size: 47, Negative conditional cache size: 13, Negative unconditional cache size: 34, Unknown cache size: 8, Unknown conditional cache size: 4, Unknown unconditional cache size: 4, Eliminated conditions: 0, Maximal queried relation: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.1s, 47 PlacesBefore, 47 PlacesAfterwards, 64 TransitionsBefore, 64 TransitionsAfterwards, 624 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 602, independent: 515, independent conditional: 515, independent unconditional: 0, dependent: 87, dependent conditional: 87, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 602, independent: 515, independent conditional: 84, independent unconditional: 431, dependent: 87, dependent conditional: 7, dependent unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 602, independent: 515, independent conditional: 84, independent unconditional: 431, dependent: 87, dependent conditional: 7, dependent unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 602, independent: 515, independent conditional: 84, independent unconditional: 431, dependent: 87, dependent conditional: 7, dependent unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 20, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 8, dependent conditional: 1, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 20, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 8, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 8, dependent conditional: 1, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 14, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 14, dependent conditional: 1, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 602, independent: 503, independent conditional: 84, independent unconditional: 419, dependent: 79, dependent conditional: 6, dependent unconditional: 73, unknown: 20, unknown conditional: 1, unknown unconditional: 19] , Statistics on independence cache: Total cache size (in pairs): 159, Positive cache size: 104, Positive conditional cache size: 0, Positive unconditional cache size: 104, Negative cache size: 55, Negative conditional cache size: 14, Negative unconditional cache size: 41, Unknown cache size: 8, Unknown conditional cache size: 4, Unknown unconditional cache size: 4, 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 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={5:24}, d={5:24}, data={5:0}, data={5:0}, pthread_create(&t1, ((void *)0), my_callback, (void *)d)=-2, 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) );}) [L1714] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, (void *)d) VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, d={5:24}, data={5:0}, data={5:0}, data={5:0}, dev={5:24}, pthread_create(&t2, ((void *)0), my_callback, (void *)d)=-1, pthread_mutex_lock (&data->lock)=0, res=0, t1={3:0}, t2={4:0}] [L1716] 0 data->shared.a = 3 VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, d={5:24}, data={5:0}, data={5:0}, data={5:0}, dev={5:24}, pthread_mutex_lock (&data->lock)=0, res=0, t1={3:0}, t2={4:0}] [L1694] 1 data->shared.a = 1 VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, t1={3:0}, t2={4:0}] [L1719] 0 data->shared.b = 3 VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, d={5:24}, data={5:0}, data={5:0}, data={5:0}, dev={5:24}, res=0, t1={3:0}, t2={4:0}] [L1722] EXPR 0 data->shared.a [L1722] CALL 0 ldv_assert(data->shared.a==3) [L1675] COND TRUE 0 !expression [L1675] 0 reach_error() VAL [\old(expression)=0, __mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, expression=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: 79.7s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 58.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 44 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 44 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 348 IncrementalHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 20 mSDtfsCounter, 348 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=360occurred in iteration=5, InterpolantAutomatonStates: 14, 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, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 142 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-06 06:48:31,658 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...