/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/weaver/parallel-bluetooth.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 07:27:32,255 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 07:27:32,257 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 07:27:32,314 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 07:27:32,314 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 07:27:32,316 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 07:27:32,318 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 07:27:32,321 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 07:27:32,325 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 07:27:32,328 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 07:27:32,329 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 07:27:32,330 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 07:27:32,331 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 07:27:32,332 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 07:27:32,333 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 07:27:32,339 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 07:27:32,340 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 07:27:32,341 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 07:27:32,342 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 07:27:32,343 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 07:27:32,344 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 07:27:32,344 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 07:27:32,345 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 07:27:32,346 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 07:27:32,351 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 07:27:32,351 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 07:27:32,352 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 07:27:32,353 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 07:27:32,353 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 07:27:32,354 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 07:27:32,354 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 07:27:32,355 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 07:27:32,356 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 07:27:32,356 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 07:27:32,357 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 07:27:32,357 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 07:27:32,357 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 07:27:32,358 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 07:27:32,358 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 07:27:32,358 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 07:27:32,359 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 07:27:32,359 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 07:27:32,382 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 07:27:32,383 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 07:27:32,384 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 07:27:32,384 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 07:27:32,384 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 07:27:32,385 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 07:27:32,385 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 07:27:32,385 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 07:27:32,385 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 07:27:32,385 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 07:27:32,386 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 07:27:32,386 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 07:27:32,386 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 07:27:32,386 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 07:27:32,386 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 07:27:32,387 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 07:27:32,387 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 07:27:32,387 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 07:27:32,387 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 07:27:32,387 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 07:27:32,387 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 07:27:32,387 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 07:27:32,387 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 07:27:32,388 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 07:27:32,388 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 07:27:32,388 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 07:27:32,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 07:27:32,388 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 07:27:32,388 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-06 07:27:32,660 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 07:27:32,680 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 07:27:32,681 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 07:27:32,682 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 07:27:32,683 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 07:27:32,683 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-bluetooth.wvr.c [2022-12-06 07:27:33,618 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 07:27:33,772 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 07:27:33,772 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-bluetooth.wvr.c [2022-12-06 07:27:33,776 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/898986bd3/d664818ed9d2492da1906f65f99e42de/FLAGe51c28191 [2022-12-06 07:27:33,786 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/898986bd3/d664818ed9d2492da1906f65f99e42de [2022-12-06 07:27:33,788 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 07:27:33,789 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 07:27:33,790 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 07:27:33,790 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 07:27:33,791 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 07:27:33,792 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:27:33" (1/1) ... [2022-12-06 07:27:33,792 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@310ba04b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:27:33, skipping insertion in model container [2022-12-06 07:27:33,792 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:27:33" (1/1) ... [2022-12-06 07:27:33,796 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 07:27:33,808 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 07:27:33,891 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 07:27:33,892 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 07:27:33,892 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 07:27:33,893 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 07:27:33,893 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 07:27:33,894 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 07:27:33,894 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 07:27:33,894 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 07:27:33,895 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 07:27:33,896 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 07:27:33,896 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 07:27:33,896 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 07:27:33,896 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 07:27:33,896 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 07:27:33,896 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 07:27:33,897 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 07:27:33,897 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 07:27:33,897 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 07:27:33,898 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 07:27:33,898 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 07:27:33,898 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 07:27:33,898 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 07:27:33,903 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-bluetooth.wvr.c[3134,3147] [2022-12-06 07:27:33,906 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 07:27:33,944 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 07:27:33,957 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 07:27:33,964 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 07:27:33,964 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 07:27:33,964 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 07:27:33,964 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 07:27:33,965 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 07:27:33,965 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 07:27:33,965 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 07:27:33,966 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 07:27:33,966 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 07:27:33,966 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 07:27:33,968 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 07:27:33,969 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 07:27:33,969 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 07:27:33,969 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 07:27:33,969 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 07:27:33,970 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 07:27:33,970 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 07:27:33,970 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 07:27:33,970 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 07:27:33,970 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 07:27:33,971 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 07:27:33,974 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-bluetooth.wvr.c[3134,3147] [2022-12-06 07:27:33,974 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 07:27:33,986 INFO L208 MainTranslator]: Completed translation [2022-12-06 07:27:33,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:27:33 WrapperNode [2022-12-06 07:27:33,987 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 07:27:33,988 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 07:27:33,988 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 07:27:33,988 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 07:27:33,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:27:33" (1/1) ... [2022-12-06 07:27:34,004 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:27:33" (1/1) ... [2022-12-06 07:27:34,026 INFO L138 Inliner]: procedures = 21, calls = 48, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 119 [2022-12-06 07:27:34,027 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 07:27:34,028 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 07:27:34,028 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 07:27:34,028 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 07:27:34,034 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:27:33" (1/1) ... [2022-12-06 07:27:34,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:27:33" (1/1) ... [2022-12-06 07:27:34,042 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:27:33" (1/1) ... [2022-12-06 07:27:34,042 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:27:33" (1/1) ... [2022-12-06 07:27:34,053 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:27:33" (1/1) ... [2022-12-06 07:27:34,054 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:27:33" (1/1) ... [2022-12-06 07:27:34,055 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:27:33" (1/1) ... [2022-12-06 07:27:34,056 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:27:33" (1/1) ... [2022-12-06 07:27:34,057 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 07:27:34,058 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 07:27:34,058 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 07:27:34,058 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 07:27:34,058 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:27:33" (1/1) ... [2022-12-06 07:27:34,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 07:27:34,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 07:27:34,083 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 07:27:34,102 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 07:27:34,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 07:27:34,126 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-06 07:27:34,126 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-06 07:27:34,126 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-06 07:27:34,126 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-06 07:27:34,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 07:27:34,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 07:27:34,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 07:27:34,126 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-06 07:27:34,126 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-06 07:27:34,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 07:27:34,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 07:27:34,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-06 07:27:34,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 07:27:34,129 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 07:27:34,227 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 07:27:34,229 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 07:27:34,416 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 07:27:34,448 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 07:27:34,448 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-06 07:27:34,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:27:34 BoogieIcfgContainer [2022-12-06 07:27:34,450 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 07:27:34,451 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 07:27:34,452 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 07:27:34,454 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 07:27:34,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 07:27:33" (1/3) ... [2022-12-06 07:27:34,454 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1614a163 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 07:27:34, skipping insertion in model container [2022-12-06 07:27:34,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:27:33" (2/3) ... [2022-12-06 07:27:34,455 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1614a163 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 07:27:34, skipping insertion in model container [2022-12-06 07:27:34,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:27:34" (3/3) ... [2022-12-06 07:27:34,463 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-bluetooth.wvr.c [2022-12-06 07:27:34,477 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 07:27:34,478 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-06 07:27:34,478 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 07:27:34,555 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-06 07:27:34,587 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 120 places, 122 transitions, 260 flow [2022-12-06 07:27:34,660 INFO L130 PetriNetUnfolder]: 9/120 cut-off events. [2022-12-06 07:27:34,660 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-06 07:27:34,664 INFO L83 FinitePrefix]: Finished finitePrefix Result has 129 conditions, 120 events. 9/120 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 47 event pairs, 0 based on Foata normal form. 0/110 useless extension candidates. Maximal degree in co-relation 86. Up to 2 conditions per place. [2022-12-06 07:27:34,664 INFO L82 GeneralOperation]: Start removeDead. Operand has 120 places, 122 transitions, 260 flow [2022-12-06 07:27:34,669 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 110 places, 112 transitions, 236 flow [2022-12-06 07:27:34,671 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 07:27:34,694 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 110 places, 112 transitions, 236 flow [2022-12-06 07:27:34,700 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 110 places, 112 transitions, 236 flow [2022-12-06 07:27:34,737 INFO L130 PetriNetUnfolder]: 9/112 cut-off events. [2022-12-06 07:27:34,738 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-06 07:27:34,738 INFO L83 FinitePrefix]: Finished finitePrefix Result has 121 conditions, 112 events. 9/112 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 46 event pairs, 0 based on Foata normal form. 0/103 useless extension candidates. Maximal degree in co-relation 86. Up to 2 conditions per place. [2022-12-06 07:27:34,741 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 110 places, 112 transitions, 236 flow [2022-12-06 07:27:34,741 INFO L188 LiptonReduction]: Number of co-enabled transitions 452 [2022-12-06 07:27:38,335 INFO L203 LiptonReduction]: Total number of compositions: 92 [2022-12-06 07:27:38,352 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 07:27:38,358 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;@dfb010, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 07:27:38,359 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-06 07:27:38,363 INFO L130 PetriNetUnfolder]: 2/20 cut-off events. [2022-12-06 07:27:38,363 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-06 07:27:38,363 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 07:27:38,363 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 07:27:38,364 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 07:27:38,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 07:27:38,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1352143916, now seen corresponding path program 1 times [2022-12-06 07:27:38,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 07:27:38,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453648277] [2022-12-06 07:27:38,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 07:27:38,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 07:27:38,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 07:27:38,826 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 07:27:38,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 07:27:38,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453648277] [2022-12-06 07:27:38,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453648277] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 07:27:38,827 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 07:27:38,828 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-06 07:27:38,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617492079] [2022-12-06 07:27:38,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 07:27:38,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-06 07:27:38,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 07:27:38,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-06 07:27:38,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-06 07:27:38,852 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 21 [2022-12-06 07:27:38,853 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 21 transitions, 54 flow. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 07:27:38,853 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 07:27:38,853 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 21 [2022-12-06 07:27:38,854 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 07:27:38,981 INFO L130 PetriNetUnfolder]: 165/323 cut-off events. [2022-12-06 07:27:38,982 INFO L131 PetriNetUnfolder]: For 45/45 co-relation queries the response was YES. [2022-12-06 07:27:38,984 INFO L83 FinitePrefix]: Finished finitePrefix Result has 683 conditions, 323 events. 165/323 cut-off events. For 45/45 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1264 event pairs, 30 based on Foata normal form. 0/295 useless extension candidates. Maximal degree in co-relation 602. Up to 121 conditions per place. [2022-12-06 07:27:38,989 INFO L137 encePairwiseOnDemand]: 13/21 looper letters, 42 selfloop transitions, 10 changer transitions 0/53 dead transitions. [2022-12-06 07:27:38,993 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 53 transitions, 240 flow [2022-12-06 07:27:38,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-06 07:27:38,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-06 07:27:39,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 60 transitions. [2022-12-06 07:27:39,001 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5714285714285714 [2022-12-06 07:27:39,002 INFO L175 Difference]: Start difference. First operand has 26 places, 21 transitions, 54 flow. Second operand 5 states and 60 transitions. [2022-12-06 07:27:39,003 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 53 transitions, 240 flow [2022-12-06 07:27:39,006 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 53 transitions, 220 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-06 07:27:39,007 INFO L231 Difference]: Finished difference. Result has 29 places, 29 transitions, 115 flow [2022-12-06 07:27:39,009 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=21, PETRI_DIFFERENCE_MINUEND_FLOW=46, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=115, PETRI_PLACES=29, PETRI_TRANSITIONS=29} [2022-12-06 07:27:39,012 INFO L294 CegarLoopForPetriNet]: 26 programPoint places, 3 predicate places. [2022-12-06 07:27:39,012 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 07:27:39,013 INFO L89 Accepts]: Start accepts. Operand has 29 places, 29 transitions, 115 flow [2022-12-06 07:27:39,015 INFO L95 Accepts]: Finished accepts. [2022-12-06 07:27:39,016 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 07:27:39,016 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 29 places, 29 transitions, 115 flow [2022-12-06 07:27:39,017 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 29 places, 29 transitions, 115 flow [2022-12-06 07:27:39,022 INFO L130 PetriNetUnfolder]: 9/70 cut-off events. [2022-12-06 07:27:39,022 INFO L131 PetriNetUnfolder]: For 12/13 co-relation queries the response was YES. [2022-12-06 07:27:39,023 INFO L83 FinitePrefix]: Finished finitePrefix Result has 120 conditions, 70 events. 9/70 cut-off events. For 12/13 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 283 event pairs, 0 based on Foata normal form. 0/68 useless extension candidates. Maximal degree in co-relation 84. Up to 17 conditions per place. [2022-12-06 07:27:39,023 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 29 places, 29 transitions, 115 flow [2022-12-06 07:27:39,023 INFO L188 LiptonReduction]: Number of co-enabled transitions 156 [2022-12-06 07:27:39,034 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 07:27:39,035 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 23 [2022-12-06 07:27:39,035 INFO L495 AbstractCegarLoop]: Abstraction has has 29 places, 29 transitions, 115 flow [2022-12-06 07:27:39,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 07:27:39,036 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 07:27:39,036 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 07:27:39,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 07:27:39,038 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 07:27:39,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 07:27:39,039 INFO L85 PathProgramCache]: Analyzing trace with hash 1739565572, now seen corresponding path program 2 times [2022-12-06 07:27:39,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 07:27:39,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112444465] [2022-12-06 07:27:39,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 07:27:39,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 07:27:39,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 07:27:39,231 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 07:27:39,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 07:27:39,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112444465] [2022-12-06 07:27:39,232 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112444465] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 07:27:39,232 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 07:27:39,232 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-06 07:27:39,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590222909] [2022-12-06 07:27:39,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 07:27:39,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-06 07:27:39,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 07:27:39,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-06 07:27:39,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2022-12-06 07:27:39,234 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 21 [2022-12-06 07:27:39,235 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 29 transitions, 115 flow. Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 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 07:27:39,235 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 07:27:39,235 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 21 [2022-12-06 07:27:39,235 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 07:27:39,336 INFO L130 PetriNetUnfolder]: 126/258 cut-off events. [2022-12-06 07:27:39,336 INFO L131 PetriNetUnfolder]: For 129/131 co-relation queries the response was YES. [2022-12-06 07:27:39,337 INFO L83 FinitePrefix]: Finished finitePrefix Result has 665 conditions, 258 events. 126/258 cut-off events. For 129/131 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 978 event pairs, 0 based on Foata normal form. 16/274 useless extension candidates. Maximal degree in co-relation 398. Up to 159 conditions per place. [2022-12-06 07:27:39,339 INFO L137 encePairwiseOnDemand]: 13/21 looper letters, 35 selfloop transitions, 17 changer transitions 0/53 dead transitions. [2022-12-06 07:27:39,339 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 53 transitions, 282 flow [2022-12-06 07:27:39,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-06 07:27:39,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-06 07:27:39,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 59 transitions. [2022-12-06 07:27:39,342 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.4013605442176871 [2022-12-06 07:27:39,342 INFO L175 Difference]: Start difference. First operand has 29 places, 29 transitions, 115 flow. Second operand 7 states and 59 transitions. [2022-12-06 07:27:39,342 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 53 transitions, 282 flow [2022-12-06 07:27:39,343 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 53 transitions, 271 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-06 07:27:39,344 INFO L231 Difference]: Finished difference. Result has 36 places, 34 transitions, 193 flow [2022-12-06 07:27:39,344 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=21, PETRI_DIFFERENCE_MINUEND_FLOW=93, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=193, PETRI_PLACES=36, PETRI_TRANSITIONS=34} [2022-12-06 07:27:39,345 INFO L294 CegarLoopForPetriNet]: 26 programPoint places, 10 predicate places. [2022-12-06 07:27:39,345 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 07:27:39,345 INFO L89 Accepts]: Start accepts. Operand has 36 places, 34 transitions, 193 flow [2022-12-06 07:27:39,346 INFO L95 Accepts]: Finished accepts. [2022-12-06 07:27:39,346 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 07:27:39,346 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 34 transitions, 193 flow [2022-12-06 07:27:39,347 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 36 places, 34 transitions, 193 flow [2022-12-06 07:27:39,360 INFO L130 PetriNetUnfolder]: 8/61 cut-off events. [2022-12-06 07:27:39,360 INFO L131 PetriNetUnfolder]: For 31/32 co-relation queries the response was YES. [2022-12-06 07:27:39,360 INFO L83 FinitePrefix]: Finished finitePrefix Result has 145 conditions, 61 events. 8/61 cut-off events. For 31/32 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 230 event pairs, 0 based on Foata normal form. 0/61 useless extension candidates. Maximal degree in co-relation 112. Up to 18 conditions per place. [2022-12-06 07:27:39,360 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 34 transitions, 193 flow [2022-12-06 07:27:39,361 INFO L188 LiptonReduction]: Number of co-enabled transitions 148 [2022-12-06 07:27:39,392 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-06 07:27:39,393 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 48 [2022-12-06 07:27:39,393 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 34 transitions, 195 flow [2022-12-06 07:27:39,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 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 07:27:39,393 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 07:27:39,394 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 07:27:39,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 07:27:39,394 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 07:27:39,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 07:27:39,394 INFO L85 PathProgramCache]: Analyzing trace with hash 1853342508, now seen corresponding path program 3 times [2022-12-06 07:27:39,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 07:27:39,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213819017] [2022-12-06 07:27:39,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 07:27:39,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 07:27:39,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 07:27:39,522 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 07:27:39,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 07:27:39,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213819017] [2022-12-06 07:27:39,526 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213819017] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 07:27:39,526 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 07:27:39,526 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-06 07:27:39,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837674548] [2022-12-06 07:27:39,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 07:27:39,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-06 07:27:39,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 07:27:39,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-06 07:27:39,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-06 07:27:39,527 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 22 [2022-12-06 07:27:39,527 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 34 transitions, 195 flow. Second operand has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 07:27:39,527 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 07:27:39,527 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 22 [2022-12-06 07:27:39,527 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 07:27:39,632 INFO L130 PetriNetUnfolder]: 215/428 cut-off events. [2022-12-06 07:27:39,632 INFO L131 PetriNetUnfolder]: For 486/486 co-relation queries the response was YES. [2022-12-06 07:27:39,633 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1351 conditions, 428 events. 215/428 cut-off events. For 486/486 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1860 event pairs, 18 based on Foata normal form. 4/432 useless extension candidates. Maximal degree in co-relation 479. Up to 204 conditions per place. [2022-12-06 07:27:39,634 INFO L137 encePairwiseOnDemand]: 12/22 looper letters, 60 selfloop transitions, 25 changer transitions 0/85 dead transitions. [2022-12-06 07:27:39,634 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 85 transitions, 597 flow [2022-12-06 07:27:39,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-06 07:27:39,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-06 07:27:39,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 73 transitions. [2022-12-06 07:27:39,636 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.474025974025974 [2022-12-06 07:27:39,636 INFO L175 Difference]: Start difference. First operand has 36 places, 34 transitions, 195 flow. Second operand 7 states and 73 transitions. [2022-12-06 07:27:39,636 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 85 transitions, 597 flow [2022-12-06 07:27:39,641 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 85 transitions, 576 flow, removed 7 selfloop flow, removed 2 redundant places. [2022-12-06 07:27:39,642 INFO L231 Difference]: Finished difference. Result has 46 places, 51 transitions, 431 flow [2022-12-06 07:27:39,642 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=22, PETRI_DIFFERENCE_MINUEND_FLOW=184, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=431, PETRI_PLACES=46, PETRI_TRANSITIONS=51} [2022-12-06 07:27:39,645 INFO L294 CegarLoopForPetriNet]: 26 programPoint places, 20 predicate places. [2022-12-06 07:27:39,646 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 07:27:39,647 INFO L89 Accepts]: Start accepts. Operand has 46 places, 51 transitions, 431 flow [2022-12-06 07:27:39,648 INFO L95 Accepts]: Finished accepts. [2022-12-06 07:27:39,648 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 07:27:39,648 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 51 transitions, 431 flow [2022-12-06 07:27:39,649 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 46 places, 51 transitions, 431 flow [2022-12-06 07:27:39,655 INFO L130 PetriNetUnfolder]: 17/106 cut-off events. [2022-12-06 07:27:39,655 INFO L131 PetriNetUnfolder]: For 161/165 co-relation queries the response was YES. [2022-12-06 07:27:39,655 INFO L83 FinitePrefix]: Finished finitePrefix Result has 332 conditions, 106 events. 17/106 cut-off events. For 161/165 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 520 event pairs, 1 based on Foata normal form. 1/105 useless extension candidates. Maximal degree in co-relation 283. Up to 32 conditions per place. [2022-12-06 07:27:39,656 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 51 transitions, 431 flow [2022-12-06 07:27:39,656 INFO L188 LiptonReduction]: Number of co-enabled transitions 192 [2022-12-06 07:27:39,669 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [316] $Ultimate##0-->L65: Formula: (= v_~sFlag~0_3 1) InVars {} OutVars{~sFlag~0=v_~sFlag~0_3} AuxVars[] AssignedVars[~sFlag~0] and [450] $Ultimate##0-->L49: Formula: (let ((.cse0 (not (= (mod v_~sFlag~0_92 256) 0)))) (and (= (ite .cse0 v_~count~0_236 (+ v_~count~0_236 1)) (+ v_~count~0_234 1)) (= (ite (= (ite (or .cse0 (= (mod v_~stopped~0_87 256) 0)) 1 0) 0) 0 1) v_~v_assert~0_84))) InVars {~sFlag~0=v_~sFlag~0_92, ~stopped~0=v_~stopped~0_87, ~count~0=v_~count~0_236} OutVars{~v_assert~0=v_~v_assert~0_84, ~sFlag~0=v_~sFlag~0_92, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_13|, ~stopped~0=v_~stopped~0_87, ~count~0=v_~count~0_234} AuxVars[] AssignedVars[~v_assert~0, thread1Thread1of1ForFork1_#t~post1, ~count~0] [2022-12-06 07:27:39,689 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-06 07:27:39,690 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 44 [2022-12-06 07:27:39,690 INFO L495 AbstractCegarLoop]: Abstraction has has 46 places, 51 transitions, 437 flow [2022-12-06 07:27:39,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 07:27:39,690 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 07:27:39,690 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 07:27:39,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-06 07:27:39,690 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 07:27:39,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 07:27:39,690 INFO L85 PathProgramCache]: Analyzing trace with hash -37212394, now seen corresponding path program 4 times [2022-12-06 07:27:39,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 07:27:39,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889792295] [2022-12-06 07:27:39,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 07:27:39,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 07:27:39,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 07:27:39,838 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 07:27:39,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 07:27:39,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889792295] [2022-12-06 07:27:39,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [889792295] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 07:27:39,838 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 07:27:39,838 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 07:27:39,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039785236] [2022-12-06 07:27:39,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 07:27:39,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 07:27:39,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 07:27:39,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 07:27:39,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-06 07:27:39,841 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 24 [2022-12-06 07:27:39,841 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 51 transitions, 437 flow. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 07:27:39,841 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 07:27:39,841 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 24 [2022-12-06 07:27:39,841 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 07:27:39,929 INFO L130 PetriNetUnfolder]: 186/397 cut-off events. [2022-12-06 07:27:39,929 INFO L131 PetriNetUnfolder]: For 981/981 co-relation queries the response was YES. [2022-12-06 07:27:39,930 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1496 conditions, 397 events. 186/397 cut-off events. For 981/981 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1830 event pairs, 28 based on Foata normal form. 3/396 useless extension candidates. Maximal degree in co-relation 1021. Up to 283 conditions per place. [2022-12-06 07:27:39,931 INFO L137 encePairwiseOnDemand]: 18/24 looper letters, 15 selfloop transitions, 2 changer transitions 54/72 dead transitions. [2022-12-06 07:27:39,931 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 72 transitions, 697 flow [2022-12-06 07:27:39,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-06 07:27:39,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-06 07:27:39,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 49 transitions. [2022-12-06 07:27:39,932 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.4083333333333333 [2022-12-06 07:27:39,932 INFO L175 Difference]: Start difference. First operand has 46 places, 51 transitions, 437 flow. Second operand 5 states and 49 transitions. [2022-12-06 07:27:39,932 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 72 transitions, 697 flow [2022-12-06 07:27:39,936 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 72 transitions, 693 flow, removed 2 selfloop flow, removed 0 redundant places. [2022-12-06 07:27:39,936 INFO L231 Difference]: Finished difference. Result has 52 places, 17 transitions, 100 flow [2022-12-06 07:27:39,937 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=433, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=100, PETRI_PLACES=52, PETRI_TRANSITIONS=17} [2022-12-06 07:27:39,938 INFO L294 CegarLoopForPetriNet]: 26 programPoint places, 26 predicate places. [2022-12-06 07:27:39,938 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 07:27:39,938 INFO L89 Accepts]: Start accepts. Operand has 52 places, 17 transitions, 100 flow [2022-12-06 07:27:39,939 INFO L95 Accepts]: Finished accepts. [2022-12-06 07:27:39,939 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 07:27:39,939 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 17 transitions, 100 flow [2022-12-06 07:27:39,940 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 41 places, 17 transitions, 100 flow [2022-12-06 07:27:39,941 INFO L130 PetriNetUnfolder]: 0/17 cut-off events. [2022-12-06 07:27:39,941 INFO L131 PetriNetUnfolder]: For 26/26 co-relation queries the response was YES. [2022-12-06 07:27:39,942 INFO L83 FinitePrefix]: Finished finitePrefix Result has 62 conditions, 17 events. 0/17 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 1 event pairs, 0 based on Foata normal form. 0/17 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2022-12-06 07:27:39,942 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 17 transitions, 100 flow [2022-12-06 07:27:39,942 INFO L188 LiptonReduction]: Number of co-enabled transitions 16 [2022-12-06 07:27:39,946 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [309] L45-->L49: Formula: (= (+ v_~count~0_26 1) v_~count~0_27) InVars {~count~0=v_~count~0_27} OutVars{~count~0=v_~count~0_26, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_1|} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post1, ~count~0] and [308] $Ultimate##0-->L45: Formula: (let ((.cse0 (not (= (mod v_~sFlag~0_7 256) 0)))) (and (= (ite .cse0 v_~count~0_19 (+ v_~count~0_19 1)) v_~count~0_18) (= (ite (= (ite (or (= (mod v_~stopped~0_6 256) 0) .cse0) 1 0) 0) 0 1) v_~v_assert~0_6))) InVars {~stopped~0=v_~stopped~0_6, ~sFlag~0=v_~sFlag~0_7, ~count~0=v_~count~0_19} OutVars{~v_assert~0=v_~v_assert~0_6, ~stopped~0=v_~stopped~0_6, ~sFlag~0=v_~sFlag~0_7, ~count~0=v_~count~0_18} AuxVars[] AssignedVars[~v_assert~0, ~count~0] [2022-12-06 07:27:39,989 ERROR L799 SequenceRule]: Run adaptation not supported for post-scripts [2022-12-06 07:27:40,002 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [453] L45-->L45: Formula: (let ((.cse0 (not (= (mod v_~sFlag~0_118 256) 0)))) (and (= v_~v_assert~0_106 (ite (= (ite (or .cse0 (= (mod v_~stopped~0_113 256) 0)) 1 0) 0) 0 1)) (= (ite .cse0 (+ (- 1) v_~count~0_299) v_~count~0_299) v_~count~0_297))) InVars {~sFlag~0=v_~sFlag~0_118, ~stopped~0=v_~stopped~0_113, ~count~0=v_~count~0_299} OutVars{~v_assert~0=v_~v_assert~0_106, ~sFlag~0=v_~sFlag~0_118, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_26|, ~stopped~0=v_~stopped~0_113, ~count~0=v_~count~0_297} AuxVars[] AssignedVars[~v_assert~0, thread1Thread1of1ForFork1_#t~post1, ~count~0] and [366] L49-->thread1EXIT: Formula: (and (= |v_thread1Thread1of1ForFork1_#res.base_7| 0) (= (mod v_thread1Thread1of1ForFork1_~cond~0_21 256) 0) (= |v_thread1Thread1of1ForFork1_#res.offset_7| 0) (= (ite (= (ite (= v_~count~0_92 0) 1 0) 0) 0 1) v_thread1Thread1of1ForFork1_~cond~0_21)) InVars {~count~0=v_~count~0_92} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_7|, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_7|, thread1Thread1of1ForFork1_~cond~0=v_thread1Thread1of1ForFork1_~cond~0_21, ~count~0=v_~count~0_92} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_~cond~0] [2022-12-06 07:27:40,263 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [458] $Ultimate##0-->thread2EXIT: Formula: (and (= |v_thread2Thread1of1ForFork0_#res#1.offset_22| 0) (= v_~stopped~0_117 1) (= (mod |v_thread2Thread1of1ForFork0_~cond~1#1_65| 256) 0) (= v_~sFlag~0_126 1) (= (+ 2 v_~count~0_321) v_~count~0_322) (= |v_thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_37| (mod v_~sEvent~0_107 256)) (= |v_thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1_37| |v_thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_37|) (= |v_thread2Thread1of1ForFork0_~cond~1#1_65| (ite (= (ite (= v_~count~0_321 0) 1 0) 0) 0 1)) (not (= |v_thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1_37| 0)) (= |v_thread2Thread1of1ForFork0_#res#1.base_22| 0)) InVars {~sEvent~0=v_~sEvent~0_107, ~count~0=v_~count~0_322} OutVars{thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1_37|, ~sFlag~0=v_~sFlag~0_126, thread2Thread1of1ForFork0_#res#1.base=|v_thread2Thread1of1ForFork0_#res#1.base_22|, thread2Thread1of1ForFork0_#res#1.offset=|v_thread2Thread1of1ForFork0_#res#1.offset_22|, thread2Thread1of1ForFork0_~cond~1#1=|v_thread2Thread1of1ForFork0_~cond~1#1_65|, ~sEvent~0=v_~sEvent~0_107, thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_37|, ~stopped~0=v_~stopped~0_117, thread2Thread1of1ForFork0_#t~post2#1=|v_thread2Thread1of1ForFork0_#t~post2#1_27|, thread2Thread1of1ForFork0_#t~post3#1=|v_thread2Thread1of1ForFork0_#t~post3#1_19|, ~count~0=v_~count~0_321} AuxVars[] AssignedVars[thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1, ~sFlag~0, thread2Thread1of1ForFork0_#res#1.base, thread2Thread1of1ForFork0_#res#1.offset, thread2Thread1of1ForFork0_~cond~1#1, thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1, ~stopped~0, thread2Thread1of1ForFork0_#t~post2#1, thread2Thread1of1ForFork0_#t~post3#1, ~count~0] and [308] $Ultimate##0-->L45: Formula: (let ((.cse0 (not (= (mod v_~sFlag~0_7 256) 0)))) (and (= (ite .cse0 v_~count~0_19 (+ v_~count~0_19 1)) v_~count~0_18) (= (ite (= (ite (or (= (mod v_~stopped~0_6 256) 0) .cse0) 1 0) 0) 0 1) v_~v_assert~0_6))) InVars {~stopped~0=v_~stopped~0_6, ~sFlag~0=v_~sFlag~0_7, ~count~0=v_~count~0_19} OutVars{~v_assert~0=v_~v_assert~0_6, ~stopped~0=v_~stopped~0_6, ~sFlag~0=v_~sFlag~0_7, ~count~0=v_~count~0_18} AuxVars[] AssignedVars[~v_assert~0, ~count~0] [2022-12-06 07:27:40,340 INFO L203 LiptonReduction]: Total number of compositions: 7 [2022-12-06 07:27:40,340 ERROR L123 eatedLiptonReduction]: Lipton reduction run adaptation of counterexample failed. [2022-12-06 07:27:40,341 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-06 07:27:40,341 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Lipton reduction run adaptation failed, and the cached counterexample word contains letters no longer in the reduced abstraction's alphabet! at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.CegarLoopForPetriNetWithRepeatedLiptonReduction.applyLargeBlockEncoding(CegarLoopForPetriNetWithRepeatedLiptonReduction.java:125) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.CegarLoopForPetriNetWithRepeatedLiptonReduction.refineAbstraction(CegarLoopForPetriNetWithRepeatedLiptonReduction.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:487) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-12-06 07:27:40,343 INFO L158 Benchmark]: Toolchain (without parser) took 6554.56ms. Allocated memory was 196.1MB in the beginning and 336.6MB in the end (delta: 140.5MB). Free memory was 173.1MB in the beginning and 218.0MB in the end (delta: -44.9MB). Peak memory consumption was 96.9MB. Max. memory is 8.0GB. [2022-12-06 07:27:40,344 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 196.1MB. Free memory was 172.9MB in the beginning and 172.9MB in the end (delta: 63.0kB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 07:27:40,344 INFO L158 Benchmark]: CACSL2BoogieTranslator took 197.65ms. Allocated memory is still 196.1MB. Free memory was 173.1MB in the beginning and 158.8MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-12-06 07:27:40,344 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.90ms. Allocated memory is still 196.1MB. Free memory was 158.8MB in the beginning and 157.1MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-06 07:27:40,344 INFO L158 Benchmark]: Boogie Preprocessor took 29.44ms. Allocated memory is still 196.1MB. Free memory was 157.1MB in the beginning and 155.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 07:27:40,344 INFO L158 Benchmark]: RCFGBuilder took 392.42ms. Allocated memory is still 196.1MB. Free memory was 155.7MB in the beginning and 139.3MB in the end (delta: 16.4MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2022-12-06 07:27:40,345 INFO L158 Benchmark]: TraceAbstraction took 5891.61ms. Allocated memory was 196.1MB in the beginning and 336.6MB in the end (delta: 140.5MB). Free memory was 138.5MB in the beginning and 218.0MB in the end (delta: -79.5MB). Peak memory consumption was 62.3MB. Max. memory is 8.0GB. [2022-12-06 07:27:40,346 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 196.1MB. Free memory was 172.9MB in the beginning and 172.9MB in the end (delta: 63.0kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 197.65ms. Allocated memory is still 196.1MB. Free memory was 173.1MB in the beginning and 158.8MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 38.90ms. Allocated memory is still 196.1MB. Free memory was 158.8MB in the beginning and 157.1MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.44ms. Allocated memory is still 196.1MB. Free memory was 157.1MB in the beginning and 155.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 392.42ms. Allocated memory is still 196.1MB. Free memory was 155.7MB in the beginning and 139.3MB in the end (delta: 16.4MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 5891.61ms. Allocated memory was 196.1MB in the beginning and 336.6MB in the end (delta: 140.5MB). Free memory was 138.5MB in the beginning and 218.0MB in the end (delta: -79.5MB). Peak memory consumption was 62.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.6s, 110 PlacesBefore, 26 PlacesAfterwards, 112 TransitionsBefore, 21 TransitionsAfterwards, 452 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 70 TrivialYvCompositions, 14 ConcurrentYvCompositions, 7 ChoiceCompositions, 92 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 490, independent: 421, independent conditional: 421, independent unconditional: 0, dependent: 69, dependent conditional: 69, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 490, independent: 421, independent conditional: 0, independent unconditional: 421, dependent: 69, dependent conditional: 0, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 490, independent: 421, independent conditional: 0, independent unconditional: 421, dependent: 69, dependent conditional: 0, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 490, independent: 421, independent conditional: 0, independent unconditional: 421, dependent: 69, dependent conditional: 0, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 295, independent: 272, independent conditional: 0, independent unconditional: 272, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 295, independent: 265, independent conditional: 0, independent unconditional: 265, dependent: 30, dependent conditional: 0, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 30, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 83, independent: 35, independent conditional: 0, independent unconditional: 35, dependent: 48, dependent conditional: 0, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 490, independent: 149, independent conditional: 0, independent unconditional: 149, dependent: 46, dependent conditional: 0, dependent unconditional: 46, unknown: 295, unknown conditional: 0, unknown unconditional: 295] , Statistics on independence cache: Total cache size (in pairs): 458, Positive cache size: 435, Positive conditional cache size: 0, Positive unconditional cache size: 435, Negative cache size: 23, Negative conditional cache size: 0, Negative unconditional cache size: 23, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 29 PlacesBefore, 29 PlacesAfterwards, 29 TransitionsBefore, 29 TransitionsAfterwards, 156 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 28, independent: 18, independent conditional: 18, independent unconditional: 0, dependent: 10, dependent conditional: 10, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 28, independent: 18, independent conditional: 2, independent unconditional: 16, dependent: 10, dependent conditional: 7, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 28, independent: 18, independent conditional: 2, independent unconditional: 16, dependent: 10, dependent conditional: 7, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 28, independent: 18, independent conditional: 2, independent unconditional: 16, dependent: 10, dependent conditional: 7, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 13, independent: 8, independent conditional: 1, independent unconditional: 7, dependent: 5, dependent conditional: 3, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 13, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 6, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 5, dependent conditional: 3, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 7, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 6, dependent conditional: 4, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 28, independent: 10, independent conditional: 1, independent unconditional: 9, dependent: 5, dependent conditional: 4, dependent unconditional: 1, unknown: 13, unknown conditional: 4, unknown unconditional: 9] , Statistics on independence cache: Total cache size (in pairs): 13, Positive cache size: 8, Positive conditional cache size: 1, Positive unconditional cache size: 7, Negative cache size: 5, Negative conditional cache size: 3, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 36 PlacesBefore, 36 PlacesAfterwards, 34 TransitionsBefore, 34 TransitionsAfterwards, 148 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 87, independent: 62, independent conditional: 62, independent unconditional: 0, dependent: 25, dependent conditional: 25, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 87, independent: 62, independent conditional: 28, independent unconditional: 34, dependent: 25, dependent conditional: 19, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 104, independent: 62, independent conditional: 28, independent unconditional: 34, dependent: 42, dependent conditional: 36, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 104, independent: 62, independent conditional: 28, independent unconditional: 34, dependent: 42, dependent conditional: 36, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 18, independent: 10, independent conditional: 9, independent unconditional: 1, dependent: 8, dependent conditional: 8, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 18, independent: 10, independent conditional: 0, independent unconditional: 10, 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: 8, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 9, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 9, dependent conditional: 9, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 104, independent: 52, independent conditional: 19, independent unconditional: 33, dependent: 34, dependent conditional: 28, dependent unconditional: 6, unknown: 18, unknown conditional: 17, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 31, Positive cache size: 18, Positive conditional cache size: 10, Positive unconditional cache size: 8, Negative cache size: 13, Negative conditional cache size: 11, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 46 PlacesBefore, 46 PlacesAfterwards, 51 TransitionsBefore, 51 TransitionsAfterwards, 192 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 104, independent: 84, independent conditional: 84, independent unconditional: 0, dependent: 20, dependent conditional: 20, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 104, independent: 84, independent conditional: 38, independent unconditional: 46, dependent: 20, dependent conditional: 10, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 124, independent: 84, independent conditional: 36, independent unconditional: 48, dependent: 40, dependent conditional: 30, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 124, independent: 84, independent conditional: 36, independent unconditional: 48, dependent: 40, dependent conditional: 30, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 11, independent: 9, independent conditional: 5, independent unconditional: 4, dependent: 2, dependent conditional: 2, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 11, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 2, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 3, dependent conditional: 3, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 124, independent: 75, independent conditional: 31, independent unconditional: 44, dependent: 38, dependent conditional: 28, dependent unconditional: 10, unknown: 11, unknown conditional: 7, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 42, Positive cache size: 27, Positive conditional cache size: 15, Positive unconditional cache size: 12, Negative cache size: 15, Negative conditional cache size: 13, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2, Maximal queried relation: 2 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.4s, 41 PlacesBefore, 32 PlacesAfterwards, 17 TransitionsBefore, 10 TransitionsAfterwards, 16 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 7 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9, independent: 9, independent conditional: 9, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 9, independent: 9, independent conditional: 9, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9, independent: 9, independent conditional: 6, independent unconditional: 3, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9, independent: 9, independent conditional: 6, independent unconditional: 3, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7, independent: 7, independent conditional: 6, independent unconditional: 1, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 9, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 7, unknown conditional: 6, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 50, Positive cache size: 35, Positive conditional cache size: 21, Positive unconditional cache size: 14, Negative cache size: 15, Negative conditional cache size: 13, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3, Maximal queried relation: 0 - ExceptionOrErrorResult: AssertionError: Lipton reduction run adaptation failed, and the cached counterexample word contains letters no longer in the reduced abstraction's alphabet! de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Lipton reduction run adaptation failed, and the cached counterexample word contains letters no longer in the reduced abstraction's alphabet!: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.CegarLoopForPetriNetWithRepeatedLiptonReduction.applyLargeBlockEncoding(CegarLoopForPetriNetWithRepeatedLiptonReduction.java:125) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-06 07:27:40,373 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...