/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-RepeatedSemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe008_tso.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-05 23:12:46,034 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-05 23:12:46,035 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-05 23:12:46,066 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-05 23:12:46,066 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-05 23:12:46,067 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-05 23:12:46,067 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-05 23:12:46,069 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-05 23:12:46,070 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-05 23:12:46,070 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-05 23:12:46,071 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-05 23:12:46,072 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-05 23:12:46,072 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-05 23:12:46,072 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-05 23:12:46,073 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-05 23:12:46,074 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-05 23:12:46,074 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-05 23:12:46,075 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-05 23:12:46,076 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-05 23:12:46,077 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-05 23:12:46,078 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-05 23:12:46,079 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-05 23:12:46,079 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-05 23:12:46,080 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-05 23:12:46,082 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-05 23:12:46,082 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-05 23:12:46,083 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-05 23:12:46,083 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-05 23:12:46,084 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-05 23:12:46,084 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-05 23:12:46,084 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-05 23:12:46,085 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-05 23:12:46,085 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-05 23:12:46,086 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-05 23:12:46,086 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-05 23:12:46,087 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-05 23:12:46,087 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-05 23:12:46,087 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-05 23:12:46,087 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-05 23:12:46,088 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-05 23:12:46,088 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-05 23:12:46,090 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-RepeatedSemanticLbe.epf [2022-12-05 23:12:46,116 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-05 23:12:46,116 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-05 23:12:46,118 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-05 23:12:46,118 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-05 23:12:46,118 INFO L138 SettingsManager]: * Use SBE=true [2022-12-05 23:12:46,118 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-05 23:12:46,119 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-05 23:12:46,119 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-05 23:12:46,119 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-05 23:12:46,119 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-05 23:12:46,119 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-05 23:12:46,120 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-05 23:12:46,120 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-05 23:12:46,120 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-05 23:12:46,120 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-05 23:12:46,120 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-05 23:12:46,120 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-05 23:12:46,120 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-05 23:12:46,120 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-05 23:12:46,120 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-05 23:12:46,120 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-05 23:12:46,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 23:12:46,121 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-05 23:12:46,121 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-05 23:12:46,121 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-05 23:12:46,121 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-05 23:12:46,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-05 23:12:46,121 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-05 23:12:46,121 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-05 23:12:46,399 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-05 23:12:46,423 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-05 23:12:46,425 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-05 23:12:46,426 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-05 23:12:46,426 INFO L275 PluginConnector]: CDTParser initialized [2022-12-05 23:12:46,432 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe008_tso.i [2022-12-05 23:12:47,437 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-05 23:12:47,651 INFO L351 CDTParser]: Found 1 translation units. [2022-12-05 23:12:47,651 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe008_tso.i [2022-12-05 23:12:47,658 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afe27bb1b/51461c5c65214486903603e2e8f0f2d1/FLAG2af8ea3c2 [2022-12-05 23:12:47,669 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afe27bb1b/51461c5c65214486903603e2e8f0f2d1 [2022-12-05 23:12:47,670 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-05 23:12:47,671 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-05 23:12:47,672 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-05 23:12:47,672 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-05 23:12:47,674 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-05 23:12:47,674 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:12:47" (1/1) ... [2022-12-05 23:12:47,675 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3811ac9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:12:47, skipping insertion in model container [2022-12-05 23:12:47,675 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:12:47" (1/1) ... [2022-12-05 23:12:47,679 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-05 23:12:47,714 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-05 23:12:47,834 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe008_tso.i[945,958] [2022-12-05 23:12:47,930 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:12:47,930 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:12:47,930 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:12:47,931 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:12:47,931 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:12:47,931 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:12:47,932 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:12:47,932 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:12:47,933 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:12:47,933 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:12:47,934 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:12:47,934 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:12:47,934 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:12:47,934 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:12:47,934 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:12:47,934 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:12:47,935 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:12:47,935 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:12:47,935 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:12:47,935 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:12:47,935 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:12:47,935 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:12:47,936 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:12:47,936 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:12:47,943 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:12:47,943 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:12:47,944 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:12:47,944 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:12:47,944 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:12:47,948 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:12:47,950 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 23:12:47,958 INFO L203 MainTranslator]: Completed pre-run [2022-12-05 23:12:47,968 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe008_tso.i[945,958] [2022-12-05 23:12:48,020 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:12:48,020 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:12:48,020 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:12:48,021 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:12:48,021 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:12:48,021 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:12:48,021 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:12:48,021 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:12:48,022 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:12:48,022 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:12:48,022 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:12:48,022 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:12:48,022 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:12:48,022 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:12:48,022 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:12:48,023 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:12:48,023 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:12:48,023 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:12:48,023 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:12:48,023 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:12:48,023 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:12:48,024 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:12:48,024 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:12:48,024 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:12:48,026 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:12:48,026 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:12:48,026 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:12:48,027 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:12:48,027 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:12:48,027 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:12:48,028 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 23:12:48,059 INFO L208 MainTranslator]: Completed translation [2022-12-05 23:12:48,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:12:48 WrapperNode [2022-12-05 23:12:48,059 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-05 23:12:48,061 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-05 23:12:48,061 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-05 23:12:48,061 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-05 23:12:48,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:12:48" (1/1) ... [2022-12-05 23:12:48,090 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:12:48" (1/1) ... [2022-12-05 23:12:48,101 INFO L138 Inliner]: procedures = 176, calls = 53, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2022-12-05 23:12:48,102 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-05 23:12:48,102 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-05 23:12:48,102 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-05 23:12:48,102 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-05 23:12:48,108 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:12:48" (1/1) ... [2022-12-05 23:12:48,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:12:48" (1/1) ... [2022-12-05 23:12:48,116 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:12:48" (1/1) ... [2022-12-05 23:12:48,117 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:12:48" (1/1) ... [2022-12-05 23:12:48,129 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:12:48" (1/1) ... [2022-12-05 23:12:48,131 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:12:48" (1/1) ... [2022-12-05 23:12:48,132 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:12:48" (1/1) ... [2022-12-05 23:12:48,133 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:12:48" (1/1) ... [2022-12-05 23:12:48,134 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-05 23:12:48,147 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-05 23:12:48,148 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-05 23:12:48,148 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-05 23:12:48,148 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:12:48" (1/1) ... [2022-12-05 23:12:48,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 23:12:48,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 23:12:48,186 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) [2022-12-05 23:12:48,210 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 [2022-12-05 23:12:48,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-05 23:12:48,232 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-05 23:12:48,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-05 23:12:48,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-05 23:12:48,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-05 23:12:48,232 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-05 23:12:48,232 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-05 23:12:48,232 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-05 23:12:48,232 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-05 23:12:48,232 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-12-05 23:12:48,232 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-12-05 23:12:48,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-05 23:12:48,232 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-05 23:12:48,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-05 23:12:48,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-05 23:12:48,233 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-05 23:12:48,356 INFO L236 CfgBuilder]: Building ICFG [2022-12-05 23:12:48,358 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-05 23:12:48,491 INFO L277 CfgBuilder]: Performing block encoding [2022-12-05 23:12:48,495 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-05 23:12:48,496 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-05 23:12:48,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:12:48 BoogieIcfgContainer [2022-12-05 23:12:48,497 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-05 23:12:48,498 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-05 23:12:48,498 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-05 23:12:48,500 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-05 23:12:48,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.12 11:12:47" (1/3) ... [2022-12-05 23:12:48,501 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53072d5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 11:12:48, skipping insertion in model container [2022-12-05 23:12:48,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:12:48" (2/3) ... [2022-12-05 23:12:48,501 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53072d5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 11:12:48, skipping insertion in model container [2022-12-05 23:12:48,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:12:48" (3/3) ... [2022-12-05 23:12:48,502 INFO L112 eAbstractionObserver]: Analyzing ICFG safe008_tso.i [2022-12-05 23:12:48,514 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-05 23:12:48,514 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-05 23:12:48,514 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-05 23:12:48,571 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-05 23:12:48,593 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 93 places, 85 transitions, 185 flow [2022-12-05 23:12:48,642 INFO L130 PetriNetUnfolder]: 2/82 cut-off events. [2022-12-05 23:12:48,642 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 23:12:48,645 INFO L83 FinitePrefix]: Finished finitePrefix Result has 92 conditions, 82 events. 2/82 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 47 event pairs, 0 based on Foata normal form. 0/79 useless extension candidates. Maximal degree in co-relation 64. Up to 2 conditions per place. [2022-12-05 23:12:48,645 INFO L82 GeneralOperation]: Start removeDead. Operand has 93 places, 85 transitions, 185 flow [2022-12-05 23:12:48,650 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 79 places, 70 transitions, 149 flow [2022-12-05 23:12:48,651 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:12:48,672 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 70 transitions, 149 flow [2022-12-05 23:12:48,678 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 79 places, 70 transitions, 149 flow [2022-12-05 23:12:48,704 INFO L130 PetriNetUnfolder]: 1/70 cut-off events. [2022-12-05 23:12:48,704 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 23:12:48,705 INFO L83 FinitePrefix]: Finished finitePrefix Result has 80 conditions, 70 events. 1/70 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 38 event pairs, 0 based on Foata normal form. 0/69 useless extension candidates. Maximal degree in co-relation 52. Up to 2 conditions per place. [2022-12-05 23:12:48,707 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 70 transitions, 149 flow [2022-12-05 23:12:48,707 INFO L188 LiptonReduction]: Number of co-enabled transitions 1044 [2022-12-05 23:12:50,465 INFO L203 LiptonReduction]: Total number of compositions: 53 [2022-12-05 23:12:50,476 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-05 23:12:50,481 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;@7b25263, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-05 23:12:50,481 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-05 23:12:50,484 INFO L130 PetriNetUnfolder]: 0/13 cut-off events. [2022-12-05 23:12:50,484 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 23:12:50,484 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 23:12:50,484 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 23:12:50,485 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-05 23:12:50,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 23:12:50,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1273860417, now seen corresponding path program 1 times [2022-12-05 23:12:50,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 23:12:50,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941535975] [2022-12-05 23:12:50,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:12:50,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 23:12:50,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 23:12:50,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 23:12:50,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 23:12:50,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941535975] [2022-12-05 23:12:50,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941535975] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 23:12:50,799 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 23:12:50,799 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-05 23:12:50,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496941340] [2022-12-05 23:12:50,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 23:12:50,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-05 23:12:50,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 23:12:50,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-05 23:12:50,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-05 23:12:50,824 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 2 out of 18 [2022-12-05 23:12:50,825 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 18 transitions, 45 flow. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2022-12-05 23:12:50,826 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 23:12:50,826 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2 of 18 [2022-12-05 23:12:50,826 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 23:12:50,935 INFO L130 PetriNetUnfolder]: 265/479 cut-off events. [2022-12-05 23:12:50,935 INFO L131 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2022-12-05 23:12:50,936 INFO L83 FinitePrefix]: Finished finitePrefix Result has 955 conditions, 479 events. 265/479 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 2323 event pairs, 106 based on Foata normal form. 19/498 useless extension candidates. Maximal degree in co-relation 944. Up to 331 conditions per place. [2022-12-05 23:12:50,939 INFO L137 encePairwiseOnDemand]: 11/18 looper letters, 21 selfloop transitions, 5 changer transitions 0/28 dead transitions. [2022-12-05 23:12:50,939 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 28 transitions, 123 flow [2022-12-05 23:12:50,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-05 23:12:50,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-05 23:12:50,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 35 transitions. [2022-12-05 23:12:50,958 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6481481481481481 [2022-12-05 23:12:50,959 INFO L175 Difference]: Start difference. First operand has 27 places, 18 transitions, 45 flow. Second operand 3 states and 35 transitions. [2022-12-05 23:12:50,960 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 28 transitions, 123 flow [2022-12-05 23:12:50,961 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 28 transitions, 118 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-12-05 23:12:50,962 INFO L231 Difference]: Finished difference. Result has 27 places, 20 transitions, 69 flow [2022-12-05 23:12:50,976 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=18, PETRI_DIFFERENCE_MINUEND_FLOW=40, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=69, PETRI_PLACES=27, PETRI_TRANSITIONS=20} [2022-12-05 23:12:50,979 INFO L294 CegarLoopForPetriNet]: 27 programPoint places, 0 predicate places. [2022-12-05 23:12:50,979 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 23:12:50,980 INFO L89 Accepts]: Start accepts. Operand has 27 places, 20 transitions, 69 flow [2022-12-05 23:12:50,981 INFO L95 Accepts]: Finished accepts. [2022-12-05 23:12:50,981 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:12:50,982 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 27 places, 20 transitions, 69 flow [2022-12-05 23:12:50,986 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 27 places, 20 transitions, 69 flow [2022-12-05 23:12:51,001 INFO L130 PetriNetUnfolder]: 23/84 cut-off events. [2022-12-05 23:12:51,001 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-05 23:12:51,001 INFO L83 FinitePrefix]: Finished finitePrefix Result has 156 conditions, 84 events. 23/84 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 343 event pairs, 11 based on Foata normal form. 0/80 useless extension candidates. Maximal degree in co-relation 148. Up to 44 conditions per place. [2022-12-05 23:12:51,002 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 27 places, 20 transitions, 69 flow [2022-12-05 23:12:51,002 INFO L188 LiptonReduction]: Number of co-enabled transitions 134 [2022-12-05 23:12:51,038 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-05 23:12:51,041 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 62 [2022-12-05 23:12:51,041 INFO L495 AbstractCegarLoop]: Abstraction has has 27 places, 20 transitions, 69 flow [2022-12-05 23:12:51,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2022-12-05 23:12:51,055 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 23:12:51,055 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 23:12:51,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-05 23:12:51,058 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-05 23:12:51,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 23:12:51,059 INFO L85 PathProgramCache]: Analyzing trace with hash 834967759, now seen corresponding path program 1 times [2022-12-05 23:12:51,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 23:12:51,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345613147] [2022-12-05 23:12:51,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:12:51,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 23:12:51,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 23:12:51,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 23:12:51,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 23:12:51,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345613147] [2022-12-05 23:12:51,268 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345613147] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 23:12:51,268 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 23:12:51,268 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-05 23:12:51,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906094781] [2022-12-05 23:12:51,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 23:12:51,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-05 23:12:51,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 23:12:51,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-05 23:12:51,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-05 23:12:51,270 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 2 out of 17 [2022-12-05 23:12:51,270 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 20 transitions, 69 flow. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 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) [2022-12-05 23:12:51,270 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 23:12:51,270 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2 of 17 [2022-12-05 23:12:51,270 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 23:12:51,340 INFO L130 PetriNetUnfolder]: 247/442 cut-off events. [2022-12-05 23:12:51,341 INFO L131 PetriNetUnfolder]: For 72/72 co-relation queries the response was YES. [2022-12-05 23:12:51,344 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1114 conditions, 442 events. 247/442 cut-off events. For 72/72 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 2082 event pairs, 52 based on Foata normal form. 8/446 useless extension candidates. Maximal degree in co-relation 1103. Up to 225 conditions per place. [2022-12-05 23:12:51,346 INFO L137 encePairwiseOnDemand]: 11/17 looper letters, 23 selfloop transitions, 6 changer transitions 0/31 dead transitions. [2022-12-05 23:12:51,347 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 31 transitions, 159 flow [2022-12-05 23:12:51,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-05 23:12:51,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-05 23:12:51,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 35 transitions. [2022-12-05 23:12:51,349 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5147058823529411 [2022-12-05 23:12:51,349 INFO L175 Difference]: Start difference. First operand has 27 places, 20 transitions, 69 flow. Second operand 4 states and 35 transitions. [2022-12-05 23:12:51,349 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 31 transitions, 159 flow [2022-12-05 23:12:51,354 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 31 transitions, 152 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-05 23:12:51,355 INFO L231 Difference]: Finished difference. Result has 31 places, 22 transitions, 96 flow [2022-12-05 23:12:51,355 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=17, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=96, PETRI_PLACES=31, PETRI_TRANSITIONS=22} [2022-12-05 23:12:51,356 INFO L294 CegarLoopForPetriNet]: 27 programPoint places, 4 predicate places. [2022-12-05 23:12:51,357 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 23:12:51,357 INFO L89 Accepts]: Start accepts. Operand has 31 places, 22 transitions, 96 flow [2022-12-05 23:12:51,357 INFO L95 Accepts]: Finished accepts. [2022-12-05 23:12:51,357 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:12:51,357 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 31 places, 22 transitions, 96 flow [2022-12-05 23:12:51,359 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 31 places, 22 transitions, 96 flow [2022-12-05 23:12:51,364 INFO L130 PetriNetUnfolder]: 18/72 cut-off events. [2022-12-05 23:12:51,364 INFO L131 PetriNetUnfolder]: For 25/26 co-relation queries the response was YES. [2022-12-05 23:12:51,365 INFO L83 FinitePrefix]: Finished finitePrefix Result has 169 conditions, 72 events. 18/72 cut-off events. For 25/26 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 259 event pairs, 5 based on Foata normal form. 0/70 useless extension candidates. Maximal degree in co-relation 158. Up to 36 conditions per place. [2022-12-05 23:12:51,367 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 31 places, 22 transitions, 96 flow [2022-12-05 23:12:51,367 INFO L188 LiptonReduction]: Number of co-enabled transitions 138 [2022-12-05 23:12:51,371 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-05 23:12:51,372 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 15 [2022-12-05 23:12:51,373 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 22 transitions, 96 flow [2022-12-05 23:12:51,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 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) [2022-12-05 23:12:51,373 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 23:12:51,374 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 23:12:51,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-05 23:12:51,374 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-05 23:12:51,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 23:12:51,375 INFO L85 PathProgramCache]: Analyzing trace with hash 834966767, now seen corresponding path program 1 times [2022-12-05 23:12:51,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 23:12:51,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488463034] [2022-12-05 23:12:51,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:12:51,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 23:12:51,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 23:12:51,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 23:12:51,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 23:12:51,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488463034] [2022-12-05 23:12:51,501 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488463034] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 23:12:51,501 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 23:12:51,501 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-05 23:12:51,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086584391] [2022-12-05 23:12:51,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 23:12:51,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-05 23:12:51,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 23:12:51,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-05 23:12:51,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-05 23:12:51,503 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 2 out of 17 [2022-12-05 23:12:51,503 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 22 transitions, 96 flow. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 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) [2022-12-05 23:12:51,505 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 23:12:51,506 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2 of 17 [2022-12-05 23:12:51,506 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 23:12:51,573 INFO L130 PetriNetUnfolder]: 232/427 cut-off events. [2022-12-05 23:12:51,573 INFO L131 PetriNetUnfolder]: For 172/172 co-relation queries the response was YES. [2022-12-05 23:12:51,574 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1160 conditions, 427 events. 232/427 cut-off events. For 172/172 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 2002 event pairs, 64 based on Foata normal form. 3/429 useless extension candidates. Maximal degree in co-relation 1146. Up to 262 conditions per place. [2022-12-05 23:12:51,576 INFO L137 encePairwiseOnDemand]: 12/17 looper letters, 27 selfloop transitions, 7 changer transitions 0/36 dead transitions. [2022-12-05 23:12:51,576 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 36 transitions, 210 flow [2022-12-05 23:12:51,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-05 23:12:51,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-05 23:12:51,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 40 transitions. [2022-12-05 23:12:51,577 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5882352941176471 [2022-12-05 23:12:51,578 INFO L175 Difference]: Start difference. First operand has 31 places, 22 transitions, 96 flow. Second operand 4 states and 40 transitions. [2022-12-05 23:12:51,578 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 36 transitions, 210 flow [2022-12-05 23:12:51,581 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 36 transitions, 198 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-05 23:12:51,582 INFO L231 Difference]: Finished difference. Result has 33 places, 24 transitions, 119 flow [2022-12-05 23:12:51,582 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=17, PETRI_DIFFERENCE_MINUEND_FLOW=87, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=119, PETRI_PLACES=33, PETRI_TRANSITIONS=24} [2022-12-05 23:12:51,583 INFO L294 CegarLoopForPetriNet]: 27 programPoint places, 6 predicate places. [2022-12-05 23:12:51,583 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 23:12:51,583 INFO L89 Accepts]: Start accepts. Operand has 33 places, 24 transitions, 119 flow [2022-12-05 23:12:51,584 INFO L95 Accepts]: Finished accepts. [2022-12-05 23:12:51,584 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:12:51,584 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 33 places, 24 transitions, 119 flow [2022-12-05 23:12:51,585 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 33 places, 24 transitions, 119 flow [2022-12-05 23:12:51,611 INFO L130 PetriNetUnfolder]: 12/60 cut-off events. [2022-12-05 23:12:51,611 INFO L131 PetriNetUnfolder]: For 33/34 co-relation queries the response was YES. [2022-12-05 23:12:51,611 INFO L83 FinitePrefix]: Finished finitePrefix Result has 157 conditions, 60 events. 12/60 cut-off events. For 33/34 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 210 event pairs, 3 based on Foata normal form. 0/58 useless extension candidates. Maximal degree in co-relation 145. Up to 28 conditions per place. [2022-12-05 23:12:51,612 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 33 places, 24 transitions, 119 flow [2022-12-05 23:12:51,612 INFO L188 LiptonReduction]: Number of co-enabled transitions 150 [2022-12-05 23:12:51,614 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-05 23:12:51,615 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 32 [2022-12-05 23:12:51,615 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 24 transitions, 119 flow [2022-12-05 23:12:51,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 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) [2022-12-05 23:12:51,615 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 23:12:51,615 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 23:12:51,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-05 23:12:51,615 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-05 23:12:51,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 23:12:51,616 INFO L85 PathProgramCache]: Analyzing trace with hash 114196257, now seen corresponding path program 1 times [2022-12-05 23:12:51,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 23:12:51,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299484277] [2022-12-05 23:12:51,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:12:51,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 23:12:51,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 23:12:51,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 23:12:51,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 23:12:51,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299484277] [2022-12-05 23:12:51,714 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299484277] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 23:12:51,714 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 23:12:51,714 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-05 23:12:51,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718839998] [2022-12-05 23:12:51,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 23:12:51,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-05 23:12:51,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 23:12:51,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-05 23:12:51,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-05 23:12:51,716 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 17 [2022-12-05 23:12:51,716 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 24 transitions, 119 flow. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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) [2022-12-05 23:12:51,717 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 23:12:51,717 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 17 [2022-12-05 23:12:51,717 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 23:12:51,793 INFO L130 PetriNetUnfolder]: 371/622 cut-off events. [2022-12-05 23:12:51,793 INFO L131 PetriNetUnfolder]: For 596/596 co-relation queries the response was YES. [2022-12-05 23:12:51,793 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1861 conditions, 622 events. 371/622 cut-off events. For 596/596 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 2825 event pairs, 42 based on Foata normal form. 8/630 useless extension candidates. Maximal degree in co-relation 1846. Up to 221 conditions per place. [2022-12-05 23:12:51,795 INFO L137 encePairwiseOnDemand]: 10/17 looper letters, 37 selfloop transitions, 16 changer transitions 1/55 dead transitions. [2022-12-05 23:12:51,795 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 55 transitions, 370 flow [2022-12-05 23:12:51,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-05 23:12:51,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-05 23:12:51,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 50 transitions. [2022-12-05 23:12:51,798 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5882352941176471 [2022-12-05 23:12:51,798 INFO L175 Difference]: Start difference. First operand has 33 places, 24 transitions, 119 flow. Second operand 5 states and 50 transitions. [2022-12-05 23:12:51,798 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 55 transitions, 370 flow [2022-12-05 23:12:51,802 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 55 transitions, 359 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-05 23:12:51,802 INFO L231 Difference]: Finished difference. Result has 40 places, 34 transitions, 259 flow [2022-12-05 23:12:51,803 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=17, PETRI_DIFFERENCE_MINUEND_FLOW=115, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=259, PETRI_PLACES=40, PETRI_TRANSITIONS=34} [2022-12-05 23:12:51,804 INFO L294 CegarLoopForPetriNet]: 27 programPoint places, 13 predicate places. [2022-12-05 23:12:51,806 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 23:12:51,806 INFO L89 Accepts]: Start accepts. Operand has 40 places, 34 transitions, 259 flow [2022-12-05 23:12:51,807 INFO L95 Accepts]: Finished accepts. [2022-12-05 23:12:51,807 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:12:51,808 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 34 transitions, 259 flow [2022-12-05 23:12:51,808 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 40 places, 34 transitions, 259 flow [2022-12-05 23:12:51,817 INFO L130 PetriNetUnfolder]: 22/86 cut-off events. [2022-12-05 23:12:51,817 INFO L131 PetriNetUnfolder]: For 146/160 co-relation queries the response was YES. [2022-12-05 23:12:51,817 INFO L83 FinitePrefix]: Finished finitePrefix Result has 316 conditions, 86 events. 22/86 cut-off events. For 146/160 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 352 event pairs, 0 based on Foata normal form. 2/86 useless extension candidates. Maximal degree in co-relation 298. Up to 36 conditions per place. [2022-12-05 23:12:51,818 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 34 transitions, 259 flow [2022-12-05 23:12:51,818 INFO L188 LiptonReduction]: Number of co-enabled transitions 192 [2022-12-05 23:12:51,821 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-05 23:12:51,825 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 19 [2022-12-05 23:12:51,825 INFO L495 AbstractCegarLoop]: Abstraction has has 40 places, 34 transitions, 259 flow [2022-12-05 23:12:51,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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) [2022-12-05 23:12:51,825 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 23:12:51,825 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 23:12:51,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-05 23:12:51,825 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-05 23:12:51,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 23:12:51,825 INFO L85 PathProgramCache]: Analyzing trace with hash 114166497, now seen corresponding path program 2 times [2022-12-05 23:12:51,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 23:12:51,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656074259] [2022-12-05 23:12:51,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:12:51,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 23:12:51,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 23:12:51,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 23:12:51,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 23:12:51,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656074259] [2022-12-05 23:12:51,925 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656074259] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 23:12:51,925 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 23:12:51,926 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-05 23:12:51,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880381625] [2022-12-05 23:12:51,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 23:12:51,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-05 23:12:51,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 23:12:51,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-05 23:12:51,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-05 23:12:51,927 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 17 [2022-12-05 23:12:51,927 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 34 transitions, 259 flow. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 23:12:51,927 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 23:12:51,927 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 17 [2022-12-05 23:12:51,927 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 23:12:52,044 INFO L130 PetriNetUnfolder]: 380/660 cut-off events. [2022-12-05 23:12:52,044 INFO L131 PetriNetUnfolder]: For 1642/1642 co-relation queries the response was YES. [2022-12-05 23:12:52,045 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2278 conditions, 660 events. 380/660 cut-off events. For 1642/1642 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 3201 event pairs, 88 based on Foata normal form. 30/689 useless extension candidates. Maximal degree in co-relation 2257. Up to 254 conditions per place. [2022-12-05 23:12:52,047 INFO L137 encePairwiseOnDemand]: 11/17 looper letters, 27 selfloop transitions, 6 changer transitions 20/54 dead transitions. [2022-12-05 23:12:52,047 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 54 transitions, 467 flow [2022-12-05 23:12:52,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-05 23:12:52,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-05 23:12:52,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 42 transitions. [2022-12-05 23:12:52,049 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.49411764705882355 [2022-12-05 23:12:52,049 INFO L175 Difference]: Start difference. First operand has 40 places, 34 transitions, 259 flow. Second operand 5 states and 42 transitions. [2022-12-05 23:12:52,049 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 54 transitions, 467 flow [2022-12-05 23:12:52,053 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 54 transitions, 467 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-05 23:12:52,054 INFO L231 Difference]: Finished difference. Result has 46 places, 21 transitions, 157 flow [2022-12-05 23:12:52,054 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=17, PETRI_DIFFERENCE_MINUEND_FLOW=259, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=157, PETRI_PLACES=46, PETRI_TRANSITIONS=21} [2022-12-05 23:12:52,056 INFO L294 CegarLoopForPetriNet]: 27 programPoint places, 19 predicate places. [2022-12-05 23:12:52,056 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 23:12:52,056 INFO L89 Accepts]: Start accepts. Operand has 46 places, 21 transitions, 157 flow [2022-12-05 23:12:52,056 INFO L95 Accepts]: Finished accepts. [2022-12-05 23:12:52,056 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:12:52,057 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 21 transitions, 157 flow [2022-12-05 23:12:52,057 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 46 places, 21 transitions, 157 flow [2022-12-05 23:12:52,060 INFO L130 PetriNetUnfolder]: 2/31 cut-off events. [2022-12-05 23:12:52,060 INFO L131 PetriNetUnfolder]: For 84/85 co-relation queries the response was YES. [2022-12-05 23:12:52,061 INFO L83 FinitePrefix]: Finished finitePrefix Result has 131 conditions, 31 events. 2/31 cut-off events. For 84/85 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 59 event pairs, 0 based on Foata normal form. 0/31 useless extension candidates. Maximal degree in co-relation 109. Up to 11 conditions per place. [2022-12-05 23:12:52,061 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 21 transitions, 157 flow [2022-12-05 23:12:52,061 INFO L188 LiptonReduction]: Number of co-enabled transitions 118 [2022-12-05 23:12:52,065 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [190] L756-->L759: Formula: (= v_~z~0_2 1) InVars {} OutVars{~z~0=v_~z~0_2} AuxVars[] AssignedVars[~z~0] and [256] $Ultimate##0-->L726: Formula: (and (= v_P0Thread1of1ForFork1_~arg.base_5 |v_P0Thread1of1ForFork1_#in~arg.base_5|) (= v_P0Thread1of1ForFork1_~arg.offset_5 |v_P0Thread1of1ForFork1_#in~arg.offset_5|) (= v_~z~0_55 2)) InVars {P0Thread1of1ForFork1_#in~arg.offset=|v_P0Thread1of1ForFork1_#in~arg.offset_5|, P0Thread1of1ForFork1_#in~arg.base=|v_P0Thread1of1ForFork1_#in~arg.base_5|} OutVars{P0Thread1of1ForFork1_#in~arg.offset=|v_P0Thread1of1ForFork1_#in~arg.offset_5|, P0Thread1of1ForFork1_~arg.offset=v_P0Thread1of1ForFork1_~arg.offset_5, ~z~0=v_~z~0_55, P0Thread1of1ForFork1_#in~arg.base=|v_P0Thread1of1ForFork1_#in~arg.base_5|, P0Thread1of1ForFork1_~arg.base=v_P0Thread1of1ForFork1_~arg.base_5} AuxVars[] AssignedVars[P0Thread1of1ForFork1_~arg.offset, ~z~0, P0Thread1of1ForFork1_~arg.base] [2022-12-05 23:12:52,128 INFO L203 LiptonReduction]: Total number of compositions: 3 [2022-12-05 23:12:52,129 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 73 [2022-12-05 23:12:52,129 INFO L495 AbstractCegarLoop]: Abstraction has has 46 places, 21 transitions, 172 flow [2022-12-05 23:12:52,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 23:12:52,129 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 23:12:52,130 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 23:12:52,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-05 23:12:52,130 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-05 23:12:52,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 23:12:52,141 INFO L85 PathProgramCache]: Analyzing trace with hash -515731377, now seen corresponding path program 1 times [2022-12-05 23:12:52,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 23:12:52,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544127861] [2022-12-05 23:12:52,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:12:52,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 23:12:52,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 23:12:52,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 23:12:52,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 23:12:52,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544127861] [2022-12-05 23:12:52,233 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544127861] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 23:12:52,233 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 23:12:52,233 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-05 23:12:52,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002172081] [2022-12-05 23:12:52,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 23:12:52,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-05 23:12:52,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 23:12:52,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-05 23:12:52,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-05 23:12:52,235 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 19 [2022-12-05 23:12:52,235 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 21 transitions, 172 flow. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 23:12:52,235 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 23:12:52,235 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 19 [2022-12-05 23:12:52,235 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 23:12:52,301 INFO L130 PetriNetUnfolder]: 246/433 cut-off events. [2022-12-05 23:12:52,301 INFO L131 PetriNetUnfolder]: For 1472/1479 co-relation queries the response was YES. [2022-12-05 23:12:52,302 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1465 conditions, 433 events. 246/433 cut-off events. For 1472/1479 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1789 event pairs, 50 based on Foata normal form. 18/448 useless extension candidates. Maximal degree in co-relation 1440. Up to 196 conditions per place. [2022-12-05 23:12:52,303 INFO L137 encePairwiseOnDemand]: 14/19 looper letters, 23 selfloop transitions, 4 changer transitions 14/41 dead transitions. [2022-12-05 23:12:52,303 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 41 transitions, 337 flow [2022-12-05 23:12:52,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-05 23:12:52,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-05 23:12:52,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 46 transitions. [2022-12-05 23:12:52,304 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.4842105263157895 [2022-12-05 23:12:52,304 INFO L175 Difference]: Start difference. First operand has 46 places, 21 transitions, 172 flow. Second operand 5 states and 46 transitions. [2022-12-05 23:12:52,304 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 41 transitions, 337 flow [2022-12-05 23:12:52,307 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 41 transitions, 242 flow, removed 17 selfloop flow, removed 12 redundant places. [2022-12-05 23:12:52,308 INFO L231 Difference]: Finished difference. Result has 40 places, 16 transitions, 83 flow [2022-12-05 23:12:52,308 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=19, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=83, PETRI_PLACES=40, PETRI_TRANSITIONS=16} [2022-12-05 23:12:52,310 INFO L294 CegarLoopForPetriNet]: 27 programPoint places, 13 predicate places. [2022-12-05 23:12:52,310 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 23:12:52,310 INFO L89 Accepts]: Start accepts. Operand has 40 places, 16 transitions, 83 flow [2022-12-05 23:12:52,310 INFO L95 Accepts]: Finished accepts. [2022-12-05 23:12:52,310 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:12:52,310 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 16 transitions, 83 flow [2022-12-05 23:12:52,311 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 39 places, 16 transitions, 83 flow [2022-12-05 23:12:52,312 INFO L130 PetriNetUnfolder]: 0/18 cut-off events. [2022-12-05 23:12:52,313 INFO L131 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES. [2022-12-05 23:12:52,313 INFO L83 FinitePrefix]: Finished finitePrefix Result has 59 conditions, 18 events. 0/18 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 15 event pairs, 0 based on Foata normal form. 0/18 useless extension candidates. Maximal degree in co-relation 0. Up to 5 conditions per place. [2022-12-05 23:12:52,313 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 16 transitions, 83 flow [2022-12-05 23:12:52,313 INFO L188 LiptonReduction]: Number of co-enabled transitions 68 [2022-12-05 23:12:52,349 INFO L203 LiptonReduction]: Total number of compositions: 2 [2022-12-05 23:12:52,350 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 40 [2022-12-05 23:12:52,350 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 14 transitions, 79 flow [2022-12-05 23:12:52,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 23:12:52,350 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 23:12:52,350 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 23:12:52,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-05 23:12:52,350 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-05 23:12:52,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 23:12:52,351 INFO L85 PathProgramCache]: Analyzing trace with hash -754700274, now seen corresponding path program 1 times [2022-12-05 23:12:52,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 23:12:52,351 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040243984] [2022-12-05 23:12:52,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:12:52,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 23:12:52,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 23:12:52,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 23:12:52,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 23:12:52,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040243984] [2022-12-05 23:12:52,416 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040243984] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 23:12:52,417 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 23:12:52,417 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-05 23:12:52,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442668456] [2022-12-05 23:12:52,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 23:12:52,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-05 23:12:52,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 23:12:52,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-05 23:12:52,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-05 23:12:52,418 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 14 [2022-12-05 23:12:52,418 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 14 transitions, 79 flow. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2022-12-05 23:12:52,418 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 23:12:52,418 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 14 [2022-12-05 23:12:52,418 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 23:12:52,457 INFO L130 PetriNetUnfolder]: 62/130 cut-off events. [2022-12-05 23:12:52,457 INFO L131 PetriNetUnfolder]: For 270/270 co-relation queries the response was YES. [2022-12-05 23:12:52,457 INFO L83 FinitePrefix]: Finished finitePrefix Result has 458 conditions, 130 events. 62/130 cut-off events. For 270/270 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 392 event pairs, 16 based on Foata normal form. 4/134 useless extension candidates. Maximal degree in co-relation 441. Up to 82 conditions per place. [2022-12-05 23:12:52,458 INFO L137 encePairwiseOnDemand]: 8/14 looper letters, 19 selfloop transitions, 3 changer transitions 13/35 dead transitions. [2022-12-05 23:12:52,458 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 35 transitions, 258 flow [2022-12-05 23:12:52,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-05 23:12:52,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-05 23:12:52,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 37 transitions. [2022-12-05 23:12:52,459 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5285714285714286 [2022-12-05 23:12:52,459 INFO L175 Difference]: Start difference. First operand has 37 places, 14 transitions, 79 flow. Second operand 5 states and 37 transitions. [2022-12-05 23:12:52,459 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 35 transitions, 258 flow [2022-12-05 23:12:52,460 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 35 transitions, 196 flow, removed 11 selfloop flow, removed 8 redundant places. [2022-12-05 23:12:52,460 INFO L231 Difference]: Finished difference. Result has 36 places, 16 transitions, 82 flow [2022-12-05 23:12:52,460 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=14, PETRI_DIFFERENCE_MINUEND_FLOW=51, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=14, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=82, PETRI_PLACES=36, PETRI_TRANSITIONS=16} [2022-12-05 23:12:52,461 INFO L294 CegarLoopForPetriNet]: 27 programPoint places, 9 predicate places. [2022-12-05 23:12:52,461 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 23:12:52,461 INFO L89 Accepts]: Start accepts. Operand has 36 places, 16 transitions, 82 flow [2022-12-05 23:12:52,461 INFO L95 Accepts]: Finished accepts. [2022-12-05 23:12:52,461 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:12:52,461 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 16 transitions, 82 flow [2022-12-05 23:12:52,462 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 34 places, 16 transitions, 82 flow [2022-12-05 23:12:52,465 INFO L130 PetriNetUnfolder]: 14/41 cut-off events. [2022-12-05 23:12:52,465 INFO L131 PetriNetUnfolder]: For 47/52 co-relation queries the response was YES. [2022-12-05 23:12:52,465 INFO L83 FinitePrefix]: Finished finitePrefix Result has 159 conditions, 41 events. 14/41 cut-off events. For 47/52 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 100 event pairs, 8 based on Foata normal form. 0/38 useless extension candidates. Maximal degree in co-relation 147. Up to 30 conditions per place. [2022-12-05 23:12:52,465 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 34 places, 16 transitions, 82 flow [2022-12-05 23:12:52,465 INFO L188 LiptonReduction]: Number of co-enabled transitions 46 [2022-12-05 23:12:52,494 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-05 23:12:52,495 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 34 [2022-12-05 23:12:52,495 INFO L495 AbstractCegarLoop]: Abstraction has has 34 places, 16 transitions, 84 flow [2022-12-05 23:12:52,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2022-12-05 23:12:52,495 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 23:12:52,495 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 23:12:52,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-05 23:12:52,495 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-05 23:12:52,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 23:12:52,496 INFO L85 PathProgramCache]: Analyzing trace with hash 115184294, now seen corresponding path program 1 times [2022-12-05 23:12:52,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 23:12:52,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438964365] [2022-12-05 23:12:52,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:12:52,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 23:12:52,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 23:12:52,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 23:12:52,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 23:12:52,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438964365] [2022-12-05 23:12:52,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438964365] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 23:12:52,564 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 23:12:52,564 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-05 23:12:52,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27138674] [2022-12-05 23:12:52,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 23:12:52,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-05 23:12:52,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 23:12:52,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-05 23:12:52,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-05 23:12:52,565 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 15 [2022-12-05 23:12:52,565 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 16 transitions, 84 flow. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2022-12-05 23:12:52,565 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 23:12:52,565 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 15 [2022-12-05 23:12:52,565 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 23:12:52,622 INFO L130 PetriNetUnfolder]: 36/88 cut-off events. [2022-12-05 23:12:52,622 INFO L131 PetriNetUnfolder]: For 78/78 co-relation queries the response was YES. [2022-12-05 23:12:52,622 INFO L83 FinitePrefix]: Finished finitePrefix Result has 358 conditions, 88 events. 36/88 cut-off events. For 78/78 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 241 event pairs, 7 based on Foata normal form. 3/91 useless extension candidates. Maximal degree in co-relation 343. Up to 46 conditions per place. [2022-12-05 23:12:52,622 INFO L137 encePairwiseOnDemand]: 8/15 looper letters, 20 selfloop transitions, 5 changer transitions 13/38 dead transitions. [2022-12-05 23:12:52,622 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 38 transitions, 275 flow [2022-12-05 23:12:52,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-05 23:12:52,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-05 23:12:52,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 40 transitions. [2022-12-05 23:12:52,623 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.4444444444444444 [2022-12-05 23:12:52,623 INFO L175 Difference]: Start difference. First operand has 34 places, 16 transitions, 84 flow. Second operand 6 states and 40 transitions. [2022-12-05 23:12:52,623 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 38 transitions, 275 flow [2022-12-05 23:12:52,624 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 38 transitions, 270 flow, removed 1 selfloop flow, removed 2 redundant places. [2022-12-05 23:12:52,625 INFO L231 Difference]: Finished difference. Result has 40 places, 16 transitions, 103 flow [2022-12-05 23:12:52,625 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=15, PETRI_DIFFERENCE_MINUEND_FLOW=79, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=103, PETRI_PLACES=40, PETRI_TRANSITIONS=16} [2022-12-05 23:12:52,625 INFO L294 CegarLoopForPetriNet]: 27 programPoint places, 13 predicate places. [2022-12-05 23:12:52,625 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 23:12:52,625 INFO L89 Accepts]: Start accepts. Operand has 40 places, 16 transitions, 103 flow [2022-12-05 23:12:52,626 INFO L95 Accepts]: Finished accepts. [2022-12-05 23:12:52,626 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:12:52,626 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 16 transitions, 103 flow [2022-12-05 23:12:52,626 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 38 places, 16 transitions, 103 flow [2022-12-05 23:12:52,628 INFO L130 PetriNetUnfolder]: 2/21 cut-off events. [2022-12-05 23:12:52,629 INFO L131 PetriNetUnfolder]: For 45/49 co-relation queries the response was YES. [2022-12-05 23:12:52,629 INFO L83 FinitePrefix]: Finished finitePrefix Result has 91 conditions, 21 events. 2/21 cut-off events. For 45/49 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 29 event pairs, 1 based on Foata normal form. 2/21 useless extension candidates. Maximal degree in co-relation 76. Up to 10 conditions per place. [2022-12-05 23:12:52,629 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 38 places, 16 transitions, 103 flow [2022-12-05 23:12:52,629 INFO L188 LiptonReduction]: Number of co-enabled transitions 40 [2022-12-05 23:12:52,631 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [263] $Ultimate##0-->P0EXIT: Formula: (and (= |v_P0Thread1of1ForFork1_#res.base_35| 0) (= v_~x~0_48 1) (= |v_P0Thread1of1ForFork1_#res.offset_35| 0) (= v_~__unbuffered_cnt~0_215 (+ v_~__unbuffered_cnt~0_216 1)) (= v_~z~0_87 2) (= |v_P0Thread1of1ForFork1_#in~arg.base_17| v_P0Thread1of1ForFork1_~arg.base_17) (= v_P0Thread1of1ForFork1_~arg.offset_17 |v_P0Thread1of1ForFork1_#in~arg.offset_17|)) InVars {P0Thread1of1ForFork1_#in~arg.offset=|v_P0Thread1of1ForFork1_#in~arg.offset_17|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_216, P0Thread1of1ForFork1_#in~arg.base=|v_P0Thread1of1ForFork1_#in~arg.base_17|} OutVars{P0Thread1of1ForFork1_#res.offset=|v_P0Thread1of1ForFork1_#res.offset_35|, P0Thread1of1ForFork1_#in~arg.offset=|v_P0Thread1of1ForFork1_#in~arg.offset_17|, P0Thread1of1ForFork1_#res.base=|v_P0Thread1of1ForFork1_#res.base_35|, P0Thread1of1ForFork1_~arg.offset=v_P0Thread1of1ForFork1_~arg.offset_17, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_215, ~z~0=v_~z~0_87, P0Thread1of1ForFork1_#in~arg.base=|v_P0Thread1of1ForFork1_#in~arg.base_17|, ~x~0=v_~x~0_48, P0Thread1of1ForFork1_~arg.base=v_P0Thread1of1ForFork1_~arg.base_17} AuxVars[] AssignedVars[P0Thread1of1ForFork1_#res.offset, P0Thread1of1ForFork1_#res.base, P0Thread1of1ForFork1_~arg.offset, ~__unbuffered_cnt~0, ~z~0, ~x~0, P0Thread1of1ForFork1_~arg.base] and [260] $Ultimate##0-->L744: Formula: (and (= |v_P1Thread1of1ForFork2_#in~arg.offset_17| v_P1Thread1of1ForFork2_~arg.offset_17) (= v_~x~0_38 v_~__unbuffered_p1_EAX~0_74) (= v_~y~0_42 1) (= |v_P1Thread1of1ForFork2_#in~arg.base_17| v_P1Thread1of1ForFork2_~arg.base_17)) InVars {P1Thread1of1ForFork2_#in~arg.base=|v_P1Thread1of1ForFork2_#in~arg.base_17|, P1Thread1of1ForFork2_#in~arg.offset=|v_P1Thread1of1ForFork2_#in~arg.offset_17|, ~x~0=v_~x~0_38} OutVars{P1Thread1of1ForFork2_#in~arg.base=|v_P1Thread1of1ForFork2_#in~arg.base_17|, P1Thread1of1ForFork2_~arg.offset=v_P1Thread1of1ForFork2_~arg.offset_17, P1Thread1of1ForFork2_~arg.base=v_P1Thread1of1ForFork2_~arg.base_17, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_74, P1Thread1of1ForFork2_#in~arg.offset=|v_P1Thread1of1ForFork2_#in~arg.offset_17|, ~y~0=v_~y~0_42, ~x~0=v_~x~0_38} AuxVars[] AssignedVars[P1Thread1of1ForFork2_~arg.offset, P1Thread1of1ForFork2_~arg.base, ~__unbuffered_p1_EAX~0, ~y~0] [2022-12-05 23:12:52,682 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [261] $Ultimate##0-->L729: Formula: (and (= v_P0Thread1of1ForFork1_~arg.offset_15 |v_P0Thread1of1ForFork1_#in~arg.offset_15|) (= v_~z~0_81 2) (= v_~x~0_46 1) (= |v_P0Thread1of1ForFork1_#in~arg.base_15| v_P0Thread1of1ForFork1_~arg.base_15)) InVars {P0Thread1of1ForFork1_#in~arg.offset=|v_P0Thread1of1ForFork1_#in~arg.offset_15|, P0Thread1of1ForFork1_#in~arg.base=|v_P0Thread1of1ForFork1_#in~arg.base_15|} OutVars{P0Thread1of1ForFork1_#in~arg.offset=|v_P0Thread1of1ForFork1_#in~arg.offset_15|, P0Thread1of1ForFork1_~arg.offset=v_P0Thread1of1ForFork1_~arg.offset_15, ~z~0=v_~z~0_81, P0Thread1of1ForFork1_#in~arg.base=|v_P0Thread1of1ForFork1_#in~arg.base_15|, ~x~0=v_~x~0_46, P0Thread1of1ForFork1_~arg.base=v_P0Thread1of1ForFork1_~arg.base_15} AuxVars[] AssignedVars[P0Thread1of1ForFork1_~arg.offset, ~z~0, ~x~0, P0Thread1of1ForFork1_~arg.base] and [260] $Ultimate##0-->L744: Formula: (and (= |v_P1Thread1of1ForFork2_#in~arg.offset_17| v_P1Thread1of1ForFork2_~arg.offset_17) (= v_~x~0_38 v_~__unbuffered_p1_EAX~0_74) (= v_~y~0_42 1) (= |v_P1Thread1of1ForFork2_#in~arg.base_17| v_P1Thread1of1ForFork2_~arg.base_17)) InVars {P1Thread1of1ForFork2_#in~arg.base=|v_P1Thread1of1ForFork2_#in~arg.base_17|, P1Thread1of1ForFork2_#in~arg.offset=|v_P1Thread1of1ForFork2_#in~arg.offset_17|, ~x~0=v_~x~0_38} OutVars{P1Thread1of1ForFork2_#in~arg.base=|v_P1Thread1of1ForFork2_#in~arg.base_17|, P1Thread1of1ForFork2_~arg.offset=v_P1Thread1of1ForFork2_~arg.offset_17, P1Thread1of1ForFork2_~arg.base=v_P1Thread1of1ForFork2_~arg.base_17, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_74, P1Thread1of1ForFork2_#in~arg.offset=|v_P1Thread1of1ForFork2_#in~arg.offset_17|, ~y~0=v_~y~0_42, ~x~0=v_~x~0_38} AuxVars[] AssignedVars[P1Thread1of1ForFork2_~arg.offset, P1Thread1of1ForFork2_~arg.base, ~__unbuffered_p1_EAX~0, ~y~0] [2022-12-05 23:12:52,778 INFO L203 LiptonReduction]: Total number of compositions: 2 [2022-12-05 23:12:52,779 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 154 [2022-12-05 23:12:52,779 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 14 transitions, 101 flow [2022-12-05 23:12:52,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2022-12-05 23:12:52,779 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 23:12:52,779 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 23:12:52,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-05 23:12:52,779 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-05 23:12:52,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 23:12:52,780 INFO L85 PathProgramCache]: Analyzing trace with hash 114970500, now seen corresponding path program 1 times [2022-12-05 23:12:52,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 23:12:52,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288325916] [2022-12-05 23:12:52,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:12:52,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 23:12:52,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 23:12:52,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 23:12:52,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 23:12:52,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288325916] [2022-12-05 23:12:52,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288325916] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 23:12:52,839 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 23:12:52,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-05 23:12:52,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756177285] [2022-12-05 23:12:52,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 23:12:52,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-05 23:12:52,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 23:12:52,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-05 23:12:52,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-05 23:12:52,840 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 13 [2022-12-05 23:12:52,840 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 14 transitions, 101 flow. Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2022-12-05 23:12:52,840 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 23:12:52,840 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 13 [2022-12-05 23:12:52,840 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 23:12:52,859 INFO L130 PetriNetUnfolder]: 14/37 cut-off events. [2022-12-05 23:12:52,860 INFO L131 PetriNetUnfolder]: For 76/76 co-relation queries the response was YES. [2022-12-05 23:12:52,860 INFO L83 FinitePrefix]: Finished finitePrefix Result has 176 conditions, 37 events. 14/37 cut-off events. For 76/76 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 75 event pairs, 2 based on Foata normal form. 1/38 useless extension candidates. Maximal degree in co-relation 166. Up to 17 conditions per place. [2022-12-05 23:12:52,860 INFO L137 encePairwiseOnDemand]: 7/13 looper letters, 0 selfloop transitions, 0 changer transitions 19/19 dead transitions. [2022-12-05 23:12:52,860 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 19 transitions, 143 flow [2022-12-05 23:12:52,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-05 23:12:52,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-05 23:12:52,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 20 transitions. [2022-12-05 23:12:52,861 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.3076923076923077 [2022-12-05 23:12:52,861 INFO L175 Difference]: Start difference. First operand has 36 places, 14 transitions, 101 flow. Second operand 5 states and 20 transitions. [2022-12-05 23:12:52,861 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 19 transitions, 143 flow [2022-12-05 23:12:52,861 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 19 transitions, 114 flow, removed 6 selfloop flow, removed 7 redundant places. [2022-12-05 23:12:52,862 INFO L231 Difference]: Finished difference. Result has 32 places, 0 transitions, 0 flow [2022-12-05 23:12:52,862 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=13, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=13, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=32, PETRI_TRANSITIONS=0} [2022-12-05 23:12:52,862 INFO L294 CegarLoopForPetriNet]: 27 programPoint places, 5 predicate places. [2022-12-05 23:12:52,862 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:12:52,862 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 32 places, 0 transitions, 0 flow [2022-12-05 23:12:52,863 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2022-12-05 23:12:52,863 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-05 23:12:52,863 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 23:12:52,863 INFO L83 FinitePrefix]: Finished finitePrefix Result has 0 conditions, 0 events. 0/0 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 0. Compared 0 event pairs, 0 based on Foata normal form. 0/0 useless extension candidates. Maximal degree in co-relation 0. Up to 0 conditions per place. [2022-12-05 23:12:52,863 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 0 places, 0 transitions, 0 flow [2022-12-05 23:12:52,863 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-05 23:12:52,863 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-05 23:12:52,864 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 2 [2022-12-05 23:12:52,864 INFO L495 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2022-12-05 23:12:52,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2022-12-05 23:12:52,866 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-12-05 23:12:52,866 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2022-12-05 23:12:52,866 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2022-12-05 23:12:52,866 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2022-12-05 23:12:52,866 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-05 23:12:52,866 INFO L458 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 23:12:52,868 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-05 23:12:52,868 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-05 23:12:52,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.12 11:12:52 BasicIcfg [2022-12-05 23:12:52,870 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-05 23:12:52,871 INFO L158 Benchmark]: Toolchain (without parser) took 5199.20ms. Allocated memory was 187.7MB in the beginning and 225.4MB in the end (delta: 37.7MB). Free memory was 161.7MB in the beginning and 142.8MB in the end (delta: 18.8MB). Peak memory consumption was 57.6MB. Max. memory is 8.0GB. [2022-12-05 23:12:52,871 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 127.9MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-05 23:12:52,871 INFO L158 Benchmark]: CACSL2BoogieTranslator took 387.56ms. Allocated memory is still 187.7MB. Free memory was 161.7MB in the beginning and 138.5MB in the end (delta: 23.2MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. [2022-12-05 23:12:52,871 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.78ms. Allocated memory is still 187.7MB. Free memory was 138.5MB in the beginning and 136.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-05 23:12:52,871 INFO L158 Benchmark]: Boogie Preprocessor took 32.04ms. Allocated memory is still 187.7MB. Free memory was 136.5MB in the beginning and 135.0MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-05 23:12:52,871 INFO L158 Benchmark]: RCFGBuilder took 349.87ms. Allocated memory is still 187.7MB. Free memory was 135.0MB in the beginning and 162.2MB in the end (delta: -27.1MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2022-12-05 23:12:52,872 INFO L158 Benchmark]: TraceAbstraction took 4371.84ms. Allocated memory was 187.7MB in the beginning and 225.4MB in the end (delta: 37.7MB). Free memory was 161.6MB in the beginning and 142.8MB in the end (delta: 18.8MB). Peak memory consumption was 56.6MB. Max. memory is 8.0GB. [2022-12-05 23:12:52,872 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 127.9MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 387.56ms. Allocated memory is still 187.7MB. Free memory was 161.7MB in the beginning and 138.5MB in the end (delta: 23.2MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 40.78ms. Allocated memory is still 187.7MB. Free memory was 138.5MB in the beginning and 136.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 32.04ms. Allocated memory is still 187.7MB. Free memory was 136.5MB in the beginning and 135.0MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 349.87ms. Allocated memory is still 187.7MB. Free memory was 135.0MB in the beginning and 162.2MB in the end (delta: -27.1MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 4371.84ms. Allocated memory was 187.7MB in the beginning and 225.4MB in the end (delta: 37.7MB). Free memory was 161.6MB in the beginning and 142.8MB in the end (delta: 18.8MB). Peak memory consumption was 56.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.8s, 79 PlacesBefore, 27 PlacesAfterwards, 70 TransitionsBefore, 18 TransitionsAfterwards, 1044 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 20 TrivialYvCompositions, 32 ConcurrentYvCompositions, 0 ChoiceCompositions, 53 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 834, independent: 793, independent conditional: 793, independent unconditional: 0, dependent: 41, dependent conditional: 41, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 834, independent: 793, independent conditional: 0, independent unconditional: 793, dependent: 41, dependent conditional: 0, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 834, independent: 793, independent conditional: 0, independent unconditional: 793, dependent: 41, dependent conditional: 0, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 834, independent: 793, independent conditional: 0, independent unconditional: 793, dependent: 41, dependent conditional: 0, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 722, independent: 687, independent conditional: 0, independent unconditional: 687, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 722, independent: 677, independent conditional: 0, independent unconditional: 677, dependent: 45, dependent conditional: 0, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 45, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 60, independent: 17, independent conditional: 0, independent unconditional: 17, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 834, independent: 106, independent conditional: 0, independent unconditional: 106, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 722, unknown conditional: 0, unknown unconditional: 722] , Statistics on independence cache: Total cache size (in pairs): 1108, Positive cache size: 1073, Positive conditional cache size: 0, Positive unconditional cache size: 1073, Negative cache size: 35, Negative conditional cache size: 0, Negative unconditional cache size: 35, 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, 27 PlacesBefore, 27 PlacesAfterwards, 20 TransitionsBefore, 20 TransitionsAfterwards, 134 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 48, independent: 41, independent conditional: 41, independent unconditional: 0, dependent: 7, dependent conditional: 7, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 48, independent: 41, independent conditional: 5, independent unconditional: 36, dependent: 7, dependent conditional: 2, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 48, independent: 41, independent conditional: 0, independent unconditional: 41, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 48, independent: 41, independent conditional: 0, independent unconditional: 41, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 40, independent: 34, independent conditional: 0, independent unconditional: 34, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 40, independent: 30, independent conditional: 0, independent unconditional: 30, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 10, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 33, independent: 11, independent conditional: 0, independent unconditional: 11, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 48, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 40, unknown conditional: 0, unknown unconditional: 40] , Statistics on independence cache: Total cache size (in pairs): 40, Positive cache size: 34, Positive conditional cache size: 0, Positive unconditional cache size: 34, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 7, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 31 PlacesBefore, 31 PlacesAfterwards, 22 TransitionsBefore, 22 TransitionsAfterwards, 138 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 45, independent: 37, independent conditional: 37, independent unconditional: 0, dependent: 8, dependent conditional: 8, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 45, independent: 37, independent conditional: 9, independent unconditional: 28, dependent: 8, dependent conditional: 4, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 47, independent: 37, independent conditional: 0, independent unconditional: 37, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 47, independent: 37, independent conditional: 0, independent unconditional: 37, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 47, independent: 33, independent conditional: 0, independent unconditional: 33, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , Statistics on independence cache: Total cache size (in pairs): 45, Positive cache size: 38, Positive conditional cache size: 0, Positive unconditional cache size: 38, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 15, Maximal queried relation: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 33 PlacesBefore, 33 PlacesAfterwards, 24 TransitionsBefore, 24 TransitionsAfterwards, 150 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 66, independent: 55, independent conditional: 55, independent unconditional: 0, dependent: 11, dependent conditional: 11, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 66, independent: 55, independent conditional: 8, independent unconditional: 47, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 66, independent: 55, independent conditional: 0, independent unconditional: 55, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 66, independent: 55, independent conditional: 0, independent unconditional: 55, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, independent: 1, independent conditional: 0, 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: 1, independent: 1, independent conditional: 0, independent unconditional: 1, 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: 66, independent: 54, independent conditional: 0, independent unconditional: 54, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 46, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 8, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 40 PlacesBefore, 40 PlacesAfterwards, 34 TransitionsBefore, 34 TransitionsAfterwards, 192 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 64, independent: 49, independent conditional: 49, independent unconditional: 0, dependent: 15, dependent conditional: 15, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 64, independent: 49, independent conditional: 5, independent unconditional: 44, dependent: 15, dependent conditional: 8, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 64, independent: 49, independent conditional: 0, independent unconditional: 49, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 64, independent: 49, independent conditional: 0, independent unconditional: 49, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, independent: 3, independent conditional: 0, independent unconditional: 3, 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: 3, independent: 3, independent conditional: 0, independent unconditional: 3, 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: 64, independent: 46, independent conditional: 0, independent unconditional: 46, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 42, Positive conditional cache size: 0, Positive unconditional cache size: 42, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 13, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.1s, 46 PlacesBefore, 46 PlacesAfterwards, 21 TransitionsBefore, 21 TransitionsAfterwards, 118 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 193, independent: 172, independent conditional: 172, independent unconditional: 0, dependent: 21, dependent conditional: 21, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 193, independent: 172, independent conditional: 45, independent unconditional: 127, dependent: 21, dependent conditional: 5, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 198, independent: 172, independent conditional: 0, independent unconditional: 172, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 198, independent: 172, independent conditional: 0, independent unconditional: 172, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 23, independent: 21, independent conditional: 0, independent unconditional: 21, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 23, independent: 19, independent conditional: 0, independent unconditional: 19, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 5, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 198, independent: 151, independent conditional: 0, independent unconditional: 151, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 23, unknown conditional: 0, unknown unconditional: 23] , Statistics on independence cache: Total cache size (in pairs): 78, Positive cache size: 69, Positive conditional cache size: 0, Positive unconditional cache size: 69, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 55, Maximal queried relation: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 39 PlacesBefore, 37 PlacesAfterwards, 16 TransitionsBefore, 14 TransitionsAfterwards, 68 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 37, independent: 31, independent conditional: 31, independent unconditional: 0, dependent: 6, dependent conditional: 6, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 37, independent: 31, independent conditional: 10, independent unconditional: 21, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 37, independent: 31, independent conditional: 0, independent unconditional: 31, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 37, independent: 31, independent conditional: 0, independent unconditional: 31, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 37, independent: 25, independent conditional: 0, independent unconditional: 25, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , Statistics on independence cache: Total cache size (in pairs): 102, Positive cache size: 92, Positive conditional cache size: 0, Positive unconditional cache size: 92, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 10, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 34 PlacesBefore, 34 PlacesAfterwards, 16 TransitionsBefore, 16 TransitionsAfterwards, 46 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, independent: 6, independent conditional: 6, 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: 6, independent: 6, independent conditional: 6, 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: 6, independent: 6, independent conditional: 5, independent unconditional: 1, 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: 6, independent: 6, independent conditional: 5, independent unconditional: 1, 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: 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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.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: 6, independent: 6, independent conditional: 5, independent unconditional: 1, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 108, Positive cache size: 98, Positive conditional cache size: 0, Positive unconditional cache size: 98, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.1s, 38 PlacesBefore, 36 PlacesAfterwards, 16 TransitionsBefore, 14 TransitionsAfterwards, 40 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 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: 5, independent unconditional: 4, 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: 4, independent unconditional: 5, 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: 4, independent unconditional: 5, 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: 5, independent: 5, independent conditional: 4, 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: 5, independent: 5, independent conditional: 0, independent unconditional: 5, 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: 4, independent conditional: 0, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 5, unknown conditional: 4, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 119, Positive cache size: 109, Positive conditional cache size: 4, Positive unconditional cache size: 105, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 0 PlacesBefore, 0 PlacesAfterwards, 0 TransitionsBefore, 0 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.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] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.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] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.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: 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] , Statistics on independence cache: Total cache size (in pairs): 119, Positive cache size: 109, Positive conditional cache size: 4, Positive unconditional cache size: 105, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 108 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.3s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 163 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 163 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 385 IncrementalHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 10 mSDtfsCounter, 385 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=259occurred in iteration=4, InterpolantAutomatonStates: 42, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 89 NumberOfCodeBlocks, 89 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 80 ConstructedInterpolants, 0 QuantifiedInterpolants, 372 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-05 23:12:52,906 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...