/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf --traceabstraction.use.on-demand.petri.net.difference true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-bakery-2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 17:29:53,959 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 17:29:53,961 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 17:29:54,010 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 17:29:54,011 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 17:29:54,013 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 17:29:54,016 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 17:29:54,019 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 17:29:54,023 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 17:29:54,027 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 17:29:54,028 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 17:29:54,030 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 17:29:54,030 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 17:29:54,032 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 17:29:54,033 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 17:29:54,036 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 17:29:54,037 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 17:29:54,038 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 17:29:54,040 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 17:29:54,045 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 17:29:54,046 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 17:29:54,047 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 17:29:54,048 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 17:29:54,048 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 17:29:54,054 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 17:29:54,055 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 17:29:54,055 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 17:29:54,056 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 17:29:54,056 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 17:29:54,057 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 17:29:54,057 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 17:29:54,058 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 17:29:54,058 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 17:29:54,059 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 17:29:54,060 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 17:29:54,060 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 17:29:54,060 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 17:29:54,060 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 17:29:54,061 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 17:29:54,061 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 17:29:54,062 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 17:29:54,063 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2022-12-06 17:29:54,097 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 17:29:54,098 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 17:29:54,099 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-06 17:29:54,099 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-06 17:29:54,100 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 17:29:54,100 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 17:29:54,101 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 17:29:54,101 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 17:29:54,101 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 17:29:54,101 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 17:29:54,102 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 17:29:54,102 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 17:29:54,102 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 17:29:54,102 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 17:29:54,102 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 17:29:54,103 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 17:29:54,103 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 17:29:54,103 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 17:29:54,103 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 17:29:54,103 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 17:29:54,103 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 17:29:54,104 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 17:29:54,104 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 17:29:54,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 17:29:54,104 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 17:29:54,104 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 17:29:54,105 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 17:29:54,105 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 17:29:54,105 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 17:29:54,105 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-06 17:29:54,105 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-06 17:29:54,105 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true [2022-12-06 17:29:54,413 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 17:29:54,430 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 17:29:54,433 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 17:29:54,434 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 17:29:54,434 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 17:29:54,435 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-bakery-2.wvr.c [2022-12-06 17:29:55,590 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 17:29:55,817 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 17:29:55,818 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-bakery-2.wvr.c [2022-12-06 17:29:55,823 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b4118dce/a188c763483b4a689aa36ebac6068a03/FLAGd1ff20eaf [2022-12-06 17:29:56,157 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b4118dce/a188c763483b4a689aa36ebac6068a03 [2022-12-06 17:29:56,159 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 17:29:56,160 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 17:29:56,161 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 17:29:56,161 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 17:29:56,163 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 17:29:56,164 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:29:56" (1/1) ... [2022-12-06 17:29:56,164 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60d7fd99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:29:56, skipping insertion in model container [2022-12-06 17:29:56,165 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:29:56" (1/1) ... [2022-12-06 17:29:56,170 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 17:29:56,195 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 17:29:56,310 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:29:56,311 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:29:56,311 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:29:56,312 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:29:56,312 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:29:56,313 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:29:56,313 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:29:56,314 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:29:56,314 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:29:56,315 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:29:56,315 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:29:56,316 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:29:56,316 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:29:56,317 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:29:56,317 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:29:56,317 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:29:56,317 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:29:56,318 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:29:56,319 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:29:56,319 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:29:56,320 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:29:56,320 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:29:56,320 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:29:56,321 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:29:56,321 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:29:56,321 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:29:56,321 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:29:56,322 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:29:56,322 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:29:56,323 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:29:56,323 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:29:56,323 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:29:56,324 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:29:56,324 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:29:56,324 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:29:56,324 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:29:56,330 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-bakery-2.wvr.c[3512,3525] [2022-12-06 17:29:56,334 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 17:29:56,341 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 17:29:56,351 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:29:56,351 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:29:56,352 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:29:56,352 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:29:56,352 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:29:56,353 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:29:56,353 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:29:56,353 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:29:56,353 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:29:56,354 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:29:56,354 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:29:56,355 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:29:56,355 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:29:56,355 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:29:56,355 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:29:56,356 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:29:56,356 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:29:56,356 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:29:56,357 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:29:56,357 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:29:56,357 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:29:56,357 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:29:56,358 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:29:56,358 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:29:56,358 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:29:56,359 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:29:56,359 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:29:56,359 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:29:56,359 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:29:56,360 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:29:56,360 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:29:56,360 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:29:56,361 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:29:56,361 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:29:56,361 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:29:56,361 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:29:56,366 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-bakery-2.wvr.c[3512,3525] [2022-12-06 17:29:56,366 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 17:29:56,378 INFO L208 MainTranslator]: Completed translation [2022-12-06 17:29:56,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:29:56 WrapperNode [2022-12-06 17:29:56,378 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 17:29:56,379 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 17:29:56,379 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 17:29:56,379 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 17:29:56,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:29:56" (1/1) ... [2022-12-06 17:29:56,399 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:29:56" (1/1) ... [2022-12-06 17:29:56,426 INFO L138 Inliner]: procedures = 21, calls = 60, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 148 [2022-12-06 17:29:56,427 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 17:29:56,427 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 17:29:56,428 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 17:29:56,428 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 17:29:56,435 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:29:56" (1/1) ... [2022-12-06 17:29:56,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:29:56" (1/1) ... [2022-12-06 17:29:56,446 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:29:56" (1/1) ... [2022-12-06 17:29:56,446 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:29:56" (1/1) ... [2022-12-06 17:29:56,456 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:29:56" (1/1) ... [2022-12-06 17:29:56,458 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:29:56" (1/1) ... [2022-12-06 17:29:56,459 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:29:56" (1/1) ... [2022-12-06 17:29:56,460 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:29:56" (1/1) ... [2022-12-06 17:29:56,462 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 17:29:56,462 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 17:29:56,462 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 17:29:56,463 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 17:29:56,463 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:29:56" (1/1) ... [2022-12-06 17:29:56,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 17:29:56,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 17:29:56,496 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 17:29:56,513 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 17:29:56,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 17:29:56,536 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-06 17:29:56,536 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-06 17:29:56,536 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-06 17:29:56,536 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-06 17:29:56,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 17:29:56,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 17:29:56,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 17:29:56,538 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-06 17:29:56,538 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-06 17:29:56,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 17:29:56,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 17:29:56,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-06 17:29:56,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 17:29:56,541 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 17:29:56,641 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 17:29:56,643 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 17:29:56,914 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 17:29:56,966 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 17:29:56,967 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-06 17:29:56,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:29:56 BoogieIcfgContainer [2022-12-06 17:29:56,969 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 17:29:56,971 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 17:29:56,971 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 17:29:56,973 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 17:29:56,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 05:29:56" (1/3) ... [2022-12-06 17:29:56,974 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@671de82e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:29:56, skipping insertion in model container [2022-12-06 17:29:56,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:29:56" (2/3) ... [2022-12-06 17:29:56,974 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@671de82e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:29:56, skipping insertion in model container [2022-12-06 17:29:56,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:29:56" (3/3) ... [2022-12-06 17:29:56,975 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-bakery-2.wvr.c [2022-12-06 17:29:56,991 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 17:29:56,991 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-06 17:29:56,991 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 17:29:57,043 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-06 17:29:57,076 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 106 places, 101 transitions, 218 flow [2022-12-06 17:29:57,142 INFO L130 PetriNetUnfolder]: 2/99 cut-off events. [2022-12-06 17:29:57,142 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-06 17:29:57,145 INFO L83 FinitePrefix]: Finished finitePrefix Result has 108 conditions, 99 events. 2/99 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 44 event pairs, 0 based on Foata normal form. 0/96 useless extension candidates. Maximal degree in co-relation 65. Up to 2 conditions per place. [2022-12-06 17:29:57,145 INFO L82 GeneralOperation]: Start removeDead. Operand has 106 places, 101 transitions, 218 flow [2022-12-06 17:29:57,152 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 96 places, 91 transitions, 194 flow [2022-12-06 17:29:57,166 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 17:29:57,176 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@591035c1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 17:29:57,176 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-06 17:29:57,219 INFO L130 PetriNetUnfolder]: 2/90 cut-off events. [2022-12-06 17:29:57,220 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-06 17:29:57,220 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 17:29:57,221 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 17:29:57,221 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-06 17:29:57,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 17:29:57,227 INFO L85 PathProgramCache]: Analyzing trace with hash -548878490, now seen corresponding path program 1 times [2022-12-06 17:29:57,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 17:29:57,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752889068] [2022-12-06 17:29:57,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 17:29:57,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 17:29:57,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 17:29:58,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 17:29:58,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 17:29:58,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752889068] [2022-12-06 17:29:58,116 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752889068] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 17:29:58,116 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 17:29:58,117 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-06 17:29:58,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51522316] [2022-12-06 17:29:58,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 17:29:58,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-06 17:29:58,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 17:29:58,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-06 17:29:58,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-12-06 17:29:58,181 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 101 [2022-12-06 17:29:58,185 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 91 transitions, 194 flow. Second operand has 11 states, 11 states have (on average 70.54545454545455) internal successors, (776), 11 states have internal predecessors, (776), 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 17:29:58,186 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 17:29:58,186 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 101 [2022-12-06 17:29:58,187 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 17:29:58,611 INFO L130 PetriNetUnfolder]: 33/250 cut-off events. [2022-12-06 17:29:58,612 INFO L131 PetriNetUnfolder]: For 49/49 co-relation queries the response was YES. [2022-12-06 17:29:58,613 INFO L83 FinitePrefix]: Finished finitePrefix Result has 406 conditions, 250 events. 33/250 cut-off events. For 49/49 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 892 event pairs, 18 based on Foata normal form. 5/247 useless extension candidates. Maximal degree in co-relation 239. Up to 44 conditions per place. [2022-12-06 17:29:58,616 INFO L137 encePairwiseOnDemand]: 83/101 looper letters, 40 selfloop transitions, 13 changer transitions 15/127 dead transitions. [2022-12-06 17:29:58,616 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 127 transitions, 423 flow [2022-12-06 17:29:58,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-12-06 17:29:58,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2022-12-06 17:29:58,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1162 transitions. [2022-12-06 17:29:58,636 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.719059405940594 [2022-12-06 17:29:58,641 INFO L294 CegarLoopForPetriNet]: 96 programPoint places, 15 predicate places. [2022-12-06 17:29:58,641 INFO L495 AbstractCegarLoop]: Abstraction has has 111 places, 127 transitions, 423 flow [2022-12-06 17:29:58,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 70.54545454545455) internal successors, (776), 11 states have internal predecessors, (776), 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 17:29:58,642 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 17:29:58,642 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 17:29:58,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 17:29:58,643 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-06 17:29:58,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 17:29:58,645 INFO L85 PathProgramCache]: Analyzing trace with hash -676742674, now seen corresponding path program 2 times [2022-12-06 17:29:58,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 17:29:58,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975406745] [2022-12-06 17:29:58,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 17:29:58,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 17:29:58,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 17:29:58,851 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 17:29:58,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 17:29:58,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975406745] [2022-12-06 17:29:58,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975406745] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 17:29:58,852 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 17:29:58,853 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 17:29:58,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956391852] [2022-12-06 17:29:58,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 17:29:58,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 17:29:58,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 17:29:58,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 17:29:58,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 17:29:58,858 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 101 [2022-12-06 17:29:58,858 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 127 transitions, 423 flow. Second operand has 3 states, 3 states have (on average 88.0) internal successors, (264), 3 states have internal predecessors, (264), 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 17:29:58,858 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 17:29:58,858 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 101 [2022-12-06 17:29:58,858 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 17:29:58,921 INFO L130 PetriNetUnfolder]: 39/270 cut-off events. [2022-12-06 17:29:58,921 INFO L131 PetriNetUnfolder]: For 135/146 co-relation queries the response was YES. [2022-12-06 17:29:58,923 INFO L83 FinitePrefix]: Finished finitePrefix Result has 521 conditions, 270 events. 39/270 cut-off events. For 135/146 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1015 event pairs, 18 based on Foata normal form. 3/264 useless extension candidates. Maximal degree in co-relation 322. Up to 65 conditions per place. [2022-12-06 17:29:58,925 INFO L137 encePairwiseOnDemand]: 98/101 looper letters, 28 selfloop transitions, 2 changer transitions 14/130 dead transitions. [2022-12-06 17:29:58,925 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 130 transitions, 506 flow [2022-12-06 17:29:58,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 17:29:58,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 17:29:58,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 268 transitions. [2022-12-06 17:29:58,926 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8844884488448845 [2022-12-06 17:29:58,927 INFO L294 CegarLoopForPetriNet]: 96 programPoint places, 17 predicate places. [2022-12-06 17:29:58,927 INFO L495 AbstractCegarLoop]: Abstraction has has 113 places, 130 transitions, 506 flow [2022-12-06 17:29:58,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 88.0) internal successors, (264), 3 states have internal predecessors, (264), 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 17:29:58,927 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 17:29:58,928 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 17:29:58,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 17:29:58,928 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-06 17:29:58,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 17:29:58,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1195020542, now seen corresponding path program 3 times [2022-12-06 17:29:58,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 17:29:58,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884021467] [2022-12-06 17:29:58,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 17:29:58,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 17:29:58,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 17:29:59,303 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 17:29:59,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 17:29:59,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884021467] [2022-12-06 17:29:59,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884021467] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 17:29:59,304 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 17:29:59,304 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-06 17:29:59,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854641989] [2022-12-06 17:29:59,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 17:29:59,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-06 17:29:59,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 17:29:59,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-06 17:29:59,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-12-06 17:29:59,309 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 101 [2022-12-06 17:29:59,310 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 130 transitions, 506 flow. Second operand has 11 states, 11 states have (on average 70.54545454545455) internal successors, (776), 11 states have internal predecessors, (776), 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 17:29:59,310 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 17:29:59,310 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 101 [2022-12-06 17:29:59,310 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 17:29:59,611 INFO L130 PetriNetUnfolder]: 39/273 cut-off events. [2022-12-06 17:29:59,612 INFO L131 PetriNetUnfolder]: For 247/271 co-relation queries the response was YES. [2022-12-06 17:29:59,614 INFO L83 FinitePrefix]: Finished finitePrefix Result has 655 conditions, 273 events. 39/273 cut-off events. For 247/271 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1003 event pairs, 8 based on Foata normal form. 2/269 useless extension candidates. Maximal degree in co-relation 401. Up to 65 conditions per place. [2022-12-06 17:29:59,616 INFO L137 encePairwiseOnDemand]: 85/101 looper letters, 36 selfloop transitions, 14 changer transitions 28/137 dead transitions. [2022-12-06 17:29:59,616 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 137 transitions, 711 flow [2022-12-06 17:29:59,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-12-06 17:29:59,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2022-12-06 17:29:59,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1158 transitions. [2022-12-06 17:29:59,619 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.7165841584158416 [2022-12-06 17:29:59,620 INFO L294 CegarLoopForPetriNet]: 96 programPoint places, 32 predicate places. [2022-12-06 17:29:59,621 INFO L495 AbstractCegarLoop]: Abstraction has has 128 places, 137 transitions, 711 flow [2022-12-06 17:29:59,621 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 70.54545454545455) internal successors, (776), 11 states have internal predecessors, (776), 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 17:29:59,621 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 17:29:59,621 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 17:29:59,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-06 17:29:59,622 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-06 17:29:59,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 17:29:59,623 INFO L85 PathProgramCache]: Analyzing trace with hash 977552126, now seen corresponding path program 4 times [2022-12-06 17:29:59,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 17:29:59,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686682884] [2022-12-06 17:29:59,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 17:29:59,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 17:29:59,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 17:29:59,725 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 17:29:59,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 17:29:59,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686682884] [2022-12-06 17:29:59,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686682884] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 17:29:59,730 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 17:29:59,730 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 17:29:59,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395340870] [2022-12-06 17:29:59,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 17:29:59,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 17:29:59,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 17:29:59,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 17:29:59,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 17:29:59,737 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 101 [2022-12-06 17:29:59,738 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 137 transitions, 711 flow. Second operand has 3 states, 3 states have (on average 88.0) internal successors, (264), 3 states have internal predecessors, (264), 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 17:29:59,738 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 17:29:59,738 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 101 [2022-12-06 17:29:59,738 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 17:29:59,788 INFO L130 PetriNetUnfolder]: 46/289 cut-off events. [2022-12-06 17:29:59,788 INFO L131 PetriNetUnfolder]: For 510/536 co-relation queries the response was YES. [2022-12-06 17:29:59,789 INFO L83 FinitePrefix]: Finished finitePrefix Result has 782 conditions, 289 events. 46/289 cut-off events. For 510/536 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1094 event pairs, 12 based on Foata normal form. 4/288 useless extension candidates. Maximal degree in co-relation 519. Up to 70 conditions per place. [2022-12-06 17:29:59,790 INFO L137 encePairwiseOnDemand]: 98/101 looper letters, 28 selfloop transitions, 2 changer transitions 29/140 dead transitions. [2022-12-06 17:29:59,790 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 140 transitions, 824 flow [2022-12-06 17:29:59,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 17:29:59,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 17:29:59,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 268 transitions. [2022-12-06 17:29:59,792 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8844884488448845 [2022-12-06 17:29:59,793 INFO L294 CegarLoopForPetriNet]: 96 programPoint places, 34 predicate places. [2022-12-06 17:29:59,793 INFO L495 AbstractCegarLoop]: Abstraction has has 130 places, 140 transitions, 824 flow [2022-12-06 17:29:59,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 88.0) internal successors, (264), 3 states have internal predecessors, (264), 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 17:29:59,794 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 17:29:59,794 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 17:29:59,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-06 17:29:59,794 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-06 17:29:59,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 17:29:59,795 INFO L85 PathProgramCache]: Analyzing trace with hash -291701896, now seen corresponding path program 5 times [2022-12-06 17:29:59,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 17:29:59,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466537751] [2022-12-06 17:29:59,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 17:29:59,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 17:29:59,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 17:30:00,134 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 17:30:00,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 17:30:00,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466537751] [2022-12-06 17:30:00,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466537751] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 17:30:00,135 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 17:30:00,135 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-06 17:30:00,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44042712] [2022-12-06 17:30:00,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 17:30:00,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-06 17:30:00,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 17:30:00,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-06 17:30:00,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-12-06 17:30:00,138 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 101 [2022-12-06 17:30:00,139 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 140 transitions, 824 flow. Second operand has 8 states, 8 states have (on average 73.25) internal successors, (586), 8 states have internal predecessors, (586), 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 17:30:00,139 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 17:30:00,139 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 101 [2022-12-06 17:30:00,139 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 17:30:00,279 INFO L130 PetriNetUnfolder]: 99/421 cut-off events. [2022-12-06 17:30:00,279 INFO L131 PetriNetUnfolder]: For 993/1026 co-relation queries the response was YES. [2022-12-06 17:30:00,280 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1400 conditions, 421 events. 99/421 cut-off events. For 993/1026 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1992 event pairs, 15 based on Foata normal form. 6/415 useless extension candidates. Maximal degree in co-relation 1075. Up to 132 conditions per place. [2022-12-06 17:30:00,282 INFO L137 encePairwiseOnDemand]: 92/101 looper letters, 47 selfloop transitions, 9 changer transitions 57/179 dead transitions. [2022-12-06 17:30:00,282 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 179 transitions, 1375 flow [2022-12-06 17:30:00,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-06 17:30:00,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-12-06 17:30:00,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 683 transitions. [2022-12-06 17:30:00,284 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.7513751375137514 [2022-12-06 17:30:00,286 INFO L294 CegarLoopForPetriNet]: 96 programPoint places, 42 predicate places. [2022-12-06 17:30:00,286 INFO L495 AbstractCegarLoop]: Abstraction has has 138 places, 179 transitions, 1375 flow [2022-12-06 17:30:00,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 73.25) internal successors, (586), 8 states have internal predecessors, (586), 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 17:30:00,287 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 17:30:00,287 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 17:30:00,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-06 17:30:00,288 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-06 17:30:00,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 17:30:00,289 INFO L85 PathProgramCache]: Analyzing trace with hash 1763516426, now seen corresponding path program 6 times [2022-12-06 17:30:00,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 17:30:00,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066835896] [2022-12-06 17:30:00,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 17:30:00,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 17:30:00,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 17:30:00,808 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 17:30:00,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 17:30:00,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066835896] [2022-12-06 17:30:00,809 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066835896] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 17:30:00,809 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 17:30:00,809 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-06 17:30:00,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349737357] [2022-12-06 17:30:00,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 17:30:00,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-06 17:30:00,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 17:30:00,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-06 17:30:00,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-12-06 17:30:00,812 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 101 [2022-12-06 17:30:00,812 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 179 transitions, 1375 flow. Second operand has 7 states, 7 states have (on average 73.71428571428571) internal successors, (516), 7 states have internal predecessors, (516), 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 17:30:00,812 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 17:30:00,813 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 101 [2022-12-06 17:30:00,813 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 17:30:00,951 INFO L130 PetriNetUnfolder]: 80/370 cut-off events. [2022-12-06 17:30:00,952 INFO L131 PetriNetUnfolder]: For 1298/1363 co-relation queries the response was YES. [2022-12-06 17:30:00,953 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1425 conditions, 370 events. 80/370 cut-off events. For 1298/1363 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1617 event pairs, 17 based on Foata normal form. 12/371 useless extension candidates. Maximal degree in co-relation 983. Up to 140 conditions per place. [2022-12-06 17:30:00,954 INFO L137 encePairwiseOnDemand]: 92/101 looper letters, 38 selfloop transitions, 5 changer transitions 62/171 dead transitions. [2022-12-06 17:30:00,954 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 171 transitions, 1487 flow [2022-12-06 17:30:00,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-06 17:30:00,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-12-06 17:30:00,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 605 transitions. [2022-12-06 17:30:00,956 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.7487623762376238 [2022-12-06 17:30:00,956 INFO L294 CegarLoopForPetriNet]: 96 programPoint places, 49 predicate places. [2022-12-06 17:30:00,957 INFO L495 AbstractCegarLoop]: Abstraction has has 145 places, 171 transitions, 1487 flow [2022-12-06 17:30:00,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 73.71428571428571) internal successors, (516), 7 states have internal predecessors, (516), 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 17:30:00,957 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 17:30:00,957 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 17:30:00,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-06 17:30:00,958 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-06 17:30:00,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 17:30:00,958 INFO L85 PathProgramCache]: Analyzing trace with hash -1383239028, now seen corresponding path program 7 times [2022-12-06 17:30:00,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 17:30:00,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831688149] [2022-12-06 17:30:00,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 17:30:00,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 17:30:00,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 17:30:01,284 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 17:30:01,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 17:30:01,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831688149] [2022-12-06 17:30:01,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831688149] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 17:30:01,285 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 17:30:01,285 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-06 17:30:01,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482783587] [2022-12-06 17:30:01,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 17:30:01,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-06 17:30:01,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 17:30:01,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-06 17:30:01,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-12-06 17:30:01,287 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 101 [2022-12-06 17:30:01,288 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 171 transitions, 1487 flow. Second operand has 8 states, 8 states have (on average 73.25) internal successors, (586), 8 states have internal predecessors, (586), 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 17:30:01,288 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 17:30:01,288 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 101 [2022-12-06 17:30:01,288 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 17:30:01,445 INFO L130 PetriNetUnfolder]: 85/396 cut-off events. [2022-12-06 17:30:01,445 INFO L131 PetriNetUnfolder]: For 1893/1989 co-relation queries the response was YES. [2022-12-06 17:30:01,446 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1731 conditions, 396 events. 85/396 cut-off events. For 1893/1989 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1803 event pairs, 21 based on Foata normal form. 11/396 useless extension candidates. Maximal degree in co-relation 1231. Up to 163 conditions per place. [2022-12-06 17:30:01,448 INFO L137 encePairwiseOnDemand]: 91/101 looper letters, 37 selfloop transitions, 12 changer transitions 71/186 dead transitions. [2022-12-06 17:30:01,448 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 186 transitions, 1895 flow [2022-12-06 17:30:01,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-06 17:30:01,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-12-06 17:30:01,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 605 transitions. [2022-12-06 17:30:01,450 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.7487623762376238 [2022-12-06 17:30:01,451 INFO L294 CegarLoopForPetriNet]: 96 programPoint places, 56 predicate places. [2022-12-06 17:30:01,451 INFO L495 AbstractCegarLoop]: Abstraction has has 152 places, 186 transitions, 1895 flow [2022-12-06 17:30:01,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 73.25) internal successors, (586), 8 states have internal predecessors, (586), 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 17:30:01,451 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 17:30:01,451 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 17:30:01,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-06 17:30:01,452 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-06 17:30:01,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 17:30:01,452 INFO L85 PathProgramCache]: Analyzing trace with hash -1184017616, now seen corresponding path program 8 times [2022-12-06 17:30:01,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 17:30:01,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969475143] [2022-12-06 17:30:01,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 17:30:01,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 17:30:01,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 17:30:01,873 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 17:30:01,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 17:30:01,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969475143] [2022-12-06 17:30:01,874 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969475143] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 17:30:01,874 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 17:30:01,874 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-06 17:30:01,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300316859] [2022-12-06 17:30:01,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 17:30:01,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-06 17:30:01,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 17:30:01,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-06 17:30:01,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-12-06 17:30:01,897 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 101 [2022-12-06 17:30:01,898 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 186 transitions, 1895 flow. Second operand has 9 states, 9 states have (on average 72.88888888888889) internal successors, (656), 9 states have internal predecessors, (656), 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 17:30:01,899 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 17:30:01,899 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 101 [2022-12-06 17:30:01,899 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 17:30:02,041 INFO L130 PetriNetUnfolder]: 64/275 cut-off events. [2022-12-06 17:30:02,042 INFO L131 PetriNetUnfolder]: For 1947/2028 co-relation queries the response was YES. [2022-12-06 17:30:02,042 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1462 conditions, 275 events. 64/275 cut-off events. For 1947/2028 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1086 event pairs, 7 based on Foata normal form. 12/284 useless extension candidates. Maximal degree in co-relation 1090. Up to 115 conditions per place. [2022-12-06 17:30:02,043 INFO L137 encePairwiseOnDemand]: 91/101 looper letters, 0 selfloop transitions, 0 changer transitions 164/164 dead transitions. [2022-12-06 17:30:02,043 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 164 transitions, 1845 flow [2022-12-06 17:30:02,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-06 17:30:02,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-12-06 17:30:02,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 746 transitions. [2022-12-06 17:30:02,045 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.7386138613861386 [2022-12-06 17:30:02,046 INFO L294 CegarLoopForPetriNet]: 96 programPoint places, 58 predicate places. [2022-12-06 17:30:02,046 INFO L495 AbstractCegarLoop]: Abstraction has has 154 places, 164 transitions, 1845 flow [2022-12-06 17:30:02,047 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 72.88888888888889) internal successors, (656), 9 states have internal predecessors, (656), 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 17:30:02,049 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-12-06 17:30:02,049 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2022-12-06 17:30:02,049 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2022-12-06 17:30:02,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-06 17:30:02,050 INFO L458 BasicCegarLoop]: Path program histogram: [8] [2022-12-06 17:30:02,052 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-06 17:30:02,052 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-06 17:30:02,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 05:30:02 BasicIcfg [2022-12-06 17:30:02,056 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-06 17:30:02,057 INFO L158 Benchmark]: Toolchain (without parser) took 5896.73ms. Allocated memory was 177.2MB in the beginning and 300.9MB in the end (delta: 123.7MB). Free memory was 153.5MB in the beginning and 248.7MB in the end (delta: -95.3MB). Peak memory consumption was 30.0MB. Max. memory is 8.0GB. [2022-12-06 17:30:02,057 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 177.2MB. Free memory is still 153.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 17:30:02,057 INFO L158 Benchmark]: CACSL2BoogieTranslator took 217.49ms. Allocated memory is still 177.2MB. Free memory was 153.4MB in the beginning and 138.1MB in the end (delta: 15.3MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2022-12-06 17:30:02,058 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.86ms. Allocated memory is still 177.2MB. Free memory was 138.1MB in the beginning and 136.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 17:30:02,058 INFO L158 Benchmark]: Boogie Preprocessor took 34.27ms. Allocated memory is still 177.2MB. Free memory was 136.1MB in the beginning and 135.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-06 17:30:02,058 INFO L158 Benchmark]: RCFGBuilder took 506.53ms. Allocated memory is still 177.2MB. Free memory was 135.0MB in the beginning and 116.7MB in the end (delta: 18.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2022-12-06 17:30:02,058 INFO L158 Benchmark]: TraceAbstraction took 5085.79ms. Allocated memory was 177.2MB in the beginning and 300.9MB in the end (delta: 123.7MB). Free memory was 116.2MB in the beginning and 248.7MB in the end (delta: -132.6MB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 17:30:02,060 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 177.2MB. Free memory is still 153.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 217.49ms. Allocated memory is still 177.2MB. Free memory was 153.4MB in the beginning and 138.1MB in the end (delta: 15.3MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 47.86ms. Allocated memory is still 177.2MB. Free memory was 138.1MB in the beginning and 136.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 34.27ms. Allocated memory is still 177.2MB. Free memory was 136.1MB in the beginning and 135.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 506.53ms. Allocated memory is still 177.2MB. Free memory was 135.0MB in the beginning and 116.7MB in the end (delta: 18.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * TraceAbstraction took 5085.79ms. Allocated memory was 177.2MB in the beginning and 300.9MB in the end (delta: 123.7MB). Free memory was 116.2MB in the beginning and 248.7MB in the end (delta: -132.6MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 130]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 126 locations, 3 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: 5.0s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 8, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 243 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 243 mSDsluCounter, 322 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 211 mSDsCounter, 56 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1148 IncrementalHoareTripleChecker+Invalid, 1204 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 56 mSolverCounterUnsat, 111 mSDtfsCounter, 1148 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 93 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1895occurred in iteration=7, InterpolantAutomatonStates: 73, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 696 NumberOfCodeBlocks, 696 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 688 ConstructedInterpolants, 0 QuantifiedInterpolants, 2154 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-06 17:30:02,077 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...