/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithDisjunctivePredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-a802222-m [2022-12-13 12:06:02,968 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 12:06:02,969 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 12:06:03,000 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 12:06:03,000 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 12:06:03,002 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 12:06:03,005 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 12:06:03,008 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 12:06:03,011 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 12:06:03,015 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 12:06:03,016 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 12:06:03,017 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 12:06:03,018 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 12:06:03,019 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 12:06:03,020 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 12:06:03,022 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 12:06:03,023 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 12:06:03,023 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 12:06:03,025 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 12:06:03,028 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 12:06:03,029 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 12:06:03,030 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 12:06:03,031 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 12:06:03,032 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 12:06:03,033 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 12:06:03,033 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 12:06:03,034 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 12:06:03,034 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 12:06:03,034 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 12:06:03,035 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 12:06:03,035 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 12:06:03,035 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 12:06:03,036 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 12:06:03,036 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 12:06:03,037 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 12:06:03,037 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 12:06:03,037 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 12:06:03,038 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 12:06:03,038 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 12:06:03,038 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 12:06:03,039 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 12:06:03,045 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithDisjunctivePredicates.epf [2022-12-13 12:06:03,078 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 12:06:03,079 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 12:06:03,080 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 12:06:03,080 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 12:06:03,081 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 12:06:03,081 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 12:06:03,081 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 12:06:03,081 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 12:06:03,081 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 12:06:03,082 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 12:06:03,082 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 12:06:03,082 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 12:06:03,082 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 12:06:03,083 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 12:06:03,083 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 12:06:03,083 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 12:06:03,083 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 12:06:03,083 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 12:06:03,083 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 12:06:03,083 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-13 12:06:03,083 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 12:06:03,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:06:03,083 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 12:06:03,084 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 12:06:03,084 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 12:06:03,084 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 12:06:03,084 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 12:06:03,084 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-13 12:06:03,084 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-13 12:06:03,348 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 12:06:03,362 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 12:06:03,364 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 12:06:03,365 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 12:06:03,365 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 12:06:03,366 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i [2022-12-13 12:06:04,423 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 12:06:04,640 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 12:06:04,641 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i [2022-12-13 12:06:04,660 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f40c84d90/33c9b8828b1045f3b90f85977a332c3d/FLAGcf00a6356 [2022-12-13 12:06:04,675 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f40c84d90/33c9b8828b1045f3b90f85977a332c3d [2022-12-13 12:06:04,677 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 12:06:04,677 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-13 12:06:04,678 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 12:06:04,678 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 12:06:04,680 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 12:06:04,681 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:06:04" (1/1) ... [2022-12-13 12:06:04,681 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2608e19f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:06:04, skipping insertion in model container [2022-12-13 12:06:04,682 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:06:04" (1/1) ... [2022-12-13 12:06:04,686 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 12:06:04,717 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 12:06:04,842 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/safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i[992,1005] [2022-12-13 12:06:04,971 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:06:04,971 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:06:04,972 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:06:04,972 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:06:04,972 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:06:04,972 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:06:04,972 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:06:04,973 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:06:04,973 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:06:04,973 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:06:04,974 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:06:04,974 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:06:04,974 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:06:04,974 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:06:04,975 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:06:04,975 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:06:04,975 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:06:04,975 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:06:04,975 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:06:04,975 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:06:04,976 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:06:04,976 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:06:04,976 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:06:04,976 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:06:04,977 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:06:04,977 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:06:04,977 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:06:04,977 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:06:04,977 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:06:04,978 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:06:04,985 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:06:04,985 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:06:04,986 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:06:04,987 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:06:04,987 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:06:04,988 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:06:04,990 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:06:04,997 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 12:06:05,007 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/safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i[992,1005] [2022-12-13 12:06:05,028 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:06:05,029 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:06:05,029 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:06:05,029 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:06:05,029 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:06:05,029 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:06:05,029 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:06:05,029 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:06:05,029 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:06:05,030 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:06:05,030 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:06:05,030 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:06:05,030 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:06:05,030 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:06:05,031 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:06:05,031 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:06:05,031 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:06:05,032 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:06:05,032 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:06:05,033 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:06:05,033 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:06:05,033 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:06:05,034 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:06:05,034 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:06:05,034 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:06:05,034 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:06:05,034 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:06:05,035 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:06:05,035 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:06:05,036 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:06:05,039 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:06:05,039 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:06:05,039 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:06:05,039 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:06:05,039 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:06:05,041 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:06:05,041 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:06:05,069 INFO L208 MainTranslator]: Completed translation [2022-12-13 12:06:05,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:06:05 WrapperNode [2022-12-13 12:06:05,069 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 12:06:05,070 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 12:06:05,070 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 12:06:05,070 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 12:06:05,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:06:05" (1/1) ... [2022-12-13 12:06:05,085 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:06:05" (1/1) ... [2022-12-13 12:06:05,099 INFO L138 Inliner]: procedures = 176, calls = 59, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2022-12-13 12:06:05,100 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 12:06:05,100 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 12:06:05,100 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 12:06:05,100 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 12:06:05,106 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:06:05" (1/1) ... [2022-12-13 12:06:05,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:06:05" (1/1) ... [2022-12-13 12:06:05,113 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:06:05" (1/1) ... [2022-12-13 12:06:05,114 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:06:05" (1/1) ... [2022-12-13 12:06:05,118 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:06:05" (1/1) ... [2022-12-13 12:06:05,119 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:06:05" (1/1) ... [2022-12-13 12:06:05,121 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:06:05" (1/1) ... [2022-12-13 12:06:05,121 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:06:05" (1/1) ... [2022-12-13 12:06:05,123 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 12:06:05,124 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 12:06:05,124 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 12:06:05,124 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 12:06:05,124 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:06:05" (1/1) ... [2022-12-13 12:06:05,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:06:05,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-13 12:06:05,150 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) [2022-12-13 12:06:05,157 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 [2022-12-13 12:06:05,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 12:06:05,183 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-13 12:06:05,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 12:06:05,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 12:06:05,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 12:06:05,183 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-13 12:06:05,184 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-13 12:06:05,184 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-13 12:06:05,184 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-13 12:06:05,184 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-12-13 12:06:05,184 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-12-13 12:06:05,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 12:06:05,184 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-13 12:06:05,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 12:06:05,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 12:06:05,185 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-13 12:06:05,269 INFO L236 CfgBuilder]: Building ICFG [2022-12-13 12:06:05,271 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 12:06:05,390 INFO L277 CfgBuilder]: Performing block encoding [2022-12-13 12:06:05,395 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 12:06:05,395 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 12:06:05,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:06:05 BoogieIcfgContainer [2022-12-13 12:06:05,397 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 12:06:05,399 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 12:06:05,399 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 12:06:05,401 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 12:06:05,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 12:06:04" (1/3) ... [2022-12-13 12:06:05,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47c937e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:06:05, skipping insertion in model container [2022-12-13 12:06:05,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:06:05" (2/3) ... [2022-12-13 12:06:05,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47c937e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:06:05, skipping insertion in model container [2022-12-13 12:06:05,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:06:05" (3/3) ... [2022-12-13 12:06:05,403 INFO L112 eAbstractionObserver]: Analyzing ICFG safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i [2022-12-13 12:06:05,417 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 12:06:05,418 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 12:06:05,418 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 12:06:05,492 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-13 12:06:05,532 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 93 places, 85 transitions, 185 flow [2022-12-13 12:06:05,585 INFO L130 PetriNetUnfolder]: 2/82 cut-off events. [2022-12-13 12:06:05,586 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 12:06:05,589 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 48 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. [2022-12-13 12:06:05,590 INFO L82 GeneralOperation]: Start removeDead. Operand has 93 places, 85 transitions, 185 flow [2022-12-13 12:06:05,593 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 79 places, 70 transitions, 149 flow [2022-12-13 12:06:05,595 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 12:06:05,619 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 70 transitions, 149 flow [2022-12-13 12:06:05,622 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 79 places, 70 transitions, 149 flow [2022-12-13 12:06:05,658 INFO L130 PetriNetUnfolder]: 1/70 cut-off events. [2022-12-13 12:06:05,658 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 12:06:05,658 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 39 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. [2022-12-13 12:06:05,661 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 70 transitions, 149 flow [2022-12-13 12:06:05,661 INFO L226 LiptonReduction]: Number of co-enabled transitions 1044 [2022-12-13 12:06:07,719 INFO L241 LiptonReduction]: Total number of compositions: 53 [2022-12-13 12:06:07,738 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 12:06:07,745 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;@17264cce, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 12:06:07,745 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-13 12:06:07,752 INFO L130 PetriNetUnfolder]: 0/21 cut-off events. [2022-12-13 12:06:07,753 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 12:06:07,754 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 12:06:07,754 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:06:07,755 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)] === [2022-12-13 12:06:07,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:06:07,774 INFO L85 PathProgramCache]: Analyzing trace with hash 2007099196, now seen corresponding path program 1 times [2022-12-13 12:06:07,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:06:07,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052210005] [2022-12-13 12:06:07,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:06:07,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:06:07,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:06:08,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:06:08,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:06:08,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052210005] [2022-12-13 12:06:08,240 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052210005] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:06:08,241 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:06:08,241 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 12:06:08,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323657025] [2022-12-13 12:06:08,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:06:08,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:06:08,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:06:08,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:06:08,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:06:08,269 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 27 [2022-12-13 12:06:08,270 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 27 transitions, 63 flow. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2022-12-13 12:06:08,270 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 12:06:08,270 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 27 [2022-12-13 12:06:08,271 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 12:06:08,487 INFO L130 PetriNetUnfolder]: 1288/2134 cut-off events. [2022-12-13 12:06:08,488 INFO L131 PetriNetUnfolder]: For 40/40 co-relation queries the response was YES. [2022-12-13 12:06:08,495 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4224 conditions, 2134 events. 1288/2134 cut-off events. For 40/40 co-relation queries the response was YES. Maximal size of possible extension queue 163. Compared 12078 event pairs, 447 based on Foata normal form. 117/1811 useless extension candidates. Maximal degree in co-relation 4213. Up to 1029 conditions per place. [2022-12-13 12:06:08,504 INFO L137 encePairwiseOnDemand]: 19/27 looper letters, 30 selfloop transitions, 6 changer transitions 0/42 dead transitions. [2022-12-13 12:06:08,505 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 42 transitions, 171 flow [2022-12-13 12:06:08,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:06:08,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 12:06:08,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 57 transitions. [2022-12-13 12:06:08,513 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.7037037037037037 [2022-12-13 12:06:08,514 INFO L175 Difference]: Start difference. First operand has 36 places, 27 transitions, 63 flow. Second operand 3 states and 57 transitions. [2022-12-13 12:06:08,514 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 42 transitions, 171 flow [2022-12-13 12:06:08,517 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 42 transitions, 166 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-12-13 12:06:08,520 INFO L231 Difference]: Finished difference. Result has 37 places, 30 transitions, 100 flow [2022-12-13 12:06:08,521 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=27, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=100, PETRI_PLACES=37, PETRI_TRANSITIONS=30} [2022-12-13 12:06:08,524 INFO L295 CegarLoopForPetriNet]: 36 programPoint places, 1 predicate places. [2022-12-13 12:06:08,524 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 12:06:08,525 INFO L89 Accepts]: Start accepts. Operand has 37 places, 30 transitions, 100 flow [2022-12-13 12:06:08,527 INFO L95 Accepts]: Finished accepts. [2022-12-13 12:06:08,527 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 12:06:08,527 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 37 places, 30 transitions, 100 flow [2022-12-13 12:06:08,528 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 37 places, 30 transitions, 100 flow [2022-12-13 12:06:08,558 INFO L130 PetriNetUnfolder]: 46/193 cut-off events. [2022-12-13 12:06:08,558 INFO L131 PetriNetUnfolder]: For 24/24 co-relation queries the response was YES. [2022-12-13 12:06:08,559 INFO L83 FinitePrefix]: Finished finitePrefix Result has 343 conditions, 193 events. 46/193 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1175 event pairs, 16 based on Foata normal form. 0/130 useless extension candidates. Maximal degree in co-relation 334. Up to 56 conditions per place. [2022-12-13 12:06:08,562 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 30 transitions, 100 flow [2022-12-13 12:06:08,562 INFO L226 LiptonReduction]: Number of co-enabled transitions 412 [2022-12-13 12:06:08,570 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 12:06:08,572 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 48 [2022-12-13 12:06:08,573 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 30 transitions, 100 flow [2022-12-13 12:06:08,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2022-12-13 12:06:08,573 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 12:06:08,573 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:06:08,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 12:06:08,576 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)] === [2022-12-13 12:06:08,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:06:08,577 INFO L85 PathProgramCache]: Analyzing trace with hash 2090531422, now seen corresponding path program 1 times [2022-12-13 12:06:08,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:06:08,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273568747] [2022-12-13 12:06:08,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:06:08,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:06:08,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:06:08,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:06:08,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:06:08,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273568747] [2022-12-13 12:06:08,723 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273568747] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:06:08,723 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:06:08,723 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 12:06:08,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356626405] [2022-12-13 12:06:08,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:06:08,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:06:08,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:06:08,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:06:08,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:06:08,725 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 26 [2022-12-13 12:06:08,725 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 30 transitions, 100 flow. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) [2022-12-13 12:06:08,725 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 12:06:08,725 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 26 [2022-12-13 12:06:08,725 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 12:06:08,843 INFO L130 PetriNetUnfolder]: 943/1669 cut-off events. [2022-12-13 12:06:08,844 INFO L131 PetriNetUnfolder]: For 540/545 co-relation queries the response was YES. [2022-12-13 12:06:08,847 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3768 conditions, 1669 events. 943/1669 cut-off events. For 540/545 co-relation queries the response was YES. Maximal size of possible extension queue 151. Compared 9938 event pairs, 416 based on Foata normal form. 33/1280 useless extension candidates. Maximal degree in co-relation 3756. Up to 919 conditions per place. [2022-12-13 12:06:08,868 INFO L137 encePairwiseOnDemand]: 23/26 looper letters, 22 selfloop transitions, 3 changer transitions 2/37 dead transitions. [2022-12-13 12:06:08,869 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 37 transitions, 172 flow [2022-12-13 12:06:08,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:06:08,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 12:06:08,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 50 transitions. [2022-12-13 12:06:08,880 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.6410256410256411 [2022-12-13 12:06:08,880 INFO L175 Difference]: Start difference. First operand has 37 places, 30 transitions, 100 flow. Second operand 3 states and 50 transitions. [2022-12-13 12:06:08,880 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 37 transitions, 172 flow [2022-12-13 12:06:08,885 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 37 transitions, 158 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 12:06:08,886 INFO L231 Difference]: Finished difference. Result has 38 places, 30 transitions, 99 flow [2022-12-13 12:06:08,886 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=26, PETRI_DIFFERENCE_MINUEND_FLOW=88, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=99, PETRI_PLACES=38, PETRI_TRANSITIONS=30} [2022-12-13 12:06:08,887 INFO L295 CegarLoopForPetriNet]: 36 programPoint places, 2 predicate places. [2022-12-13 12:06:08,887 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 12:06:08,887 INFO L89 Accepts]: Start accepts. Operand has 38 places, 30 transitions, 99 flow [2022-12-13 12:06:08,887 INFO L95 Accepts]: Finished accepts. [2022-12-13 12:06:08,887 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 12:06:08,888 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 38 places, 30 transitions, 99 flow [2022-12-13 12:06:08,888 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 38 places, 30 transitions, 99 flow [2022-12-13 12:06:08,894 INFO L130 PetriNetUnfolder]: 24/122 cut-off events. [2022-12-13 12:06:08,894 INFO L131 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2022-12-13 12:06:08,894 INFO L83 FinitePrefix]: Finished finitePrefix Result has 215 conditions, 122 events. 24/122 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 595 event pairs, 8 based on Foata normal form. 0/83 useless extension candidates. Maximal degree in co-relation 205. Up to 34 conditions per place. [2022-12-13 12:06:08,895 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 38 places, 30 transitions, 99 flow [2022-12-13 12:06:08,895 INFO L226 LiptonReduction]: Number of co-enabled transitions 410 [2022-12-13 12:06:08,896 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 12:06:08,897 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 10 [2022-12-13 12:06:08,897 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 30 transitions, 99 flow [2022-12-13 12:06:08,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) [2022-12-13 12:06:08,897 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 12:06:08,897 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:06:08,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 12:06:08,897 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)] === [2022-12-13 12:06:08,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:06:08,898 INFO L85 PathProgramCache]: Analyzing trace with hash -1055525451, now seen corresponding path program 1 times [2022-12-13 12:06:08,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:06:08,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691281007] [2022-12-13 12:06:08,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:06:08,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:06:08,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:06:08,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:06:08,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:06:08,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691281007] [2022-12-13 12:06:08,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691281007] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:06:08,987 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:06:08,987 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 12:06:08,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557987295] [2022-12-13 12:06:08,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:06:08,987 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:06:08,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:06:08,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:06:08,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:06:08,988 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 26 [2022-12-13 12:06:08,988 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 30 transitions, 99 flow. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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) [2022-12-13 12:06:08,988 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 12:06:08,988 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 26 [2022-12-13 12:06:08,988 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 12:06:09,200 INFO L130 PetriNetUnfolder]: 1895/3157 cut-off events. [2022-12-13 12:06:09,200 INFO L131 PetriNetUnfolder]: For 894/912 co-relation queries the response was YES. [2022-12-13 12:06:09,206 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6957 conditions, 3157 events. 1895/3157 cut-off events. For 894/912 co-relation queries the response was YES. Maximal size of possible extension queue 386. Compared 21153 event pairs, 534 based on Foata normal form. 113/1807 useless extension candidates. Maximal degree in co-relation 6944. Up to 2200 conditions per place. [2022-12-13 12:06:09,213 INFO L137 encePairwiseOnDemand]: 14/26 looper letters, 42 selfloop transitions, 20 changer transitions 3/74 dead transitions. [2022-12-13 12:06:09,213 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 74 transitions, 339 flow [2022-12-13 12:06:09,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 12:06:09,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-13 12:06:09,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 93 transitions. [2022-12-13 12:06:09,215 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.7153846153846154 [2022-12-13 12:06:09,215 INFO L175 Difference]: Start difference. First operand has 38 places, 30 transitions, 99 flow. Second operand 5 states and 93 transitions. [2022-12-13 12:06:09,215 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 74 transitions, 339 flow [2022-12-13 12:06:09,216 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 74 transitions, 333 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 12:06:09,217 INFO L231 Difference]: Finished difference. Result has 43 places, 49 transitions, 237 flow [2022-12-13 12:06:09,217 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=26, PETRI_DIFFERENCE_MINUEND_FLOW=93, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=237, PETRI_PLACES=43, PETRI_TRANSITIONS=49} [2022-12-13 12:06:09,218 INFO L295 CegarLoopForPetriNet]: 36 programPoint places, 7 predicate places. [2022-12-13 12:06:09,218 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 12:06:09,218 INFO L89 Accepts]: Start accepts. Operand has 43 places, 49 transitions, 237 flow [2022-12-13 12:06:09,218 INFO L95 Accepts]: Finished accepts. [2022-12-13 12:06:09,218 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 12:06:09,219 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 43 places, 49 transitions, 237 flow [2022-12-13 12:06:09,219 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 43 places, 49 transitions, 237 flow [2022-12-13 12:06:09,284 INFO L130 PetriNetUnfolder]: 663/1472 cut-off events. [2022-12-13 12:06:09,284 INFO L131 PetriNetUnfolder]: For 819/1068 co-relation queries the response was YES. [2022-12-13 12:06:09,314 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4235 conditions, 1472 events. 663/1472 cut-off events. For 819/1068 co-relation queries the response was YES. Maximal size of possible extension queue 279. Compared 12120 event pairs, 465 based on Foata normal form. 9/701 useless extension candidates. Maximal degree in co-relation 4222. Up to 1142 conditions per place. [2022-12-13 12:06:09,322 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 43 places, 49 transitions, 237 flow [2022-12-13 12:06:09,322 INFO L226 LiptonReduction]: Number of co-enabled transitions 730 [2022-12-13 12:06:09,341 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [249] L789-3-->L2: Formula: (and (= |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_51| (mod v_~main$tmp_guard0~0_50 256)) (= v_~main$tmp_guard0~0_50 (ite (= (ite (= v_~__unbuffered_cnt~0_169 3) 1 0) 0) 0 1))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_169} OutVars{ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_51|, ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_17|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_169, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_23|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_50, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_51|} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_main_#t~nondet8#1, ULTIMATE.start_main_#t~pre7#1, ~main$tmp_guard0~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] and [244] L748-->P1EXIT: Formula: (and (= v_~__unbuffered_cnt~0_163 (+ v_~__unbuffered_cnt~0_164 1)) (= |v_P1Thread1of1ForFork2_#res.base_21| 0) (= 0 |v_P1Thread1of1ForFork2_#res.offset_21|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_164} OutVars{P1Thread1of1ForFork2_#res.offset=|v_P1Thread1of1ForFork2_#res.offset_21|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_163, P1Thread1of1ForFork2_#res.base=|v_P1Thread1of1ForFork2_#res.base_21|} AuxVars[] AssignedVars[P1Thread1of1ForFork2_#res.offset, ~__unbuffered_cnt~0, P1Thread1of1ForFork2_#res.base] [2022-12-13 12:06:09,374 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [249] L789-3-->L2: Formula: (and (= |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_51| (mod v_~main$tmp_guard0~0_50 256)) (= v_~main$tmp_guard0~0_50 (ite (= (ite (= v_~__unbuffered_cnt~0_169 3) 1 0) 0) 0 1))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_169} OutVars{ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_51|, ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_17|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_169, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_23|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_50, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_51|} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_main_#t~nondet8#1, ULTIMATE.start_main_#t~pre7#1, ~main$tmp_guard0~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] and [179] L731-->L736: Formula: (= v_~__unbuffered_cnt~0_1 (+ v_~__unbuffered_cnt~0_2 1)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_2} OutVars{~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_1} AuxVars[] AssignedVars[~__unbuffered_cnt~0] [2022-12-13 12:06:09,402 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [249] L789-3-->L2: Formula: (and (= |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_51| (mod v_~main$tmp_guard0~0_50 256)) (= v_~main$tmp_guard0~0_50 (ite (= (ite (= v_~__unbuffered_cnt~0_169 3) 1 0) 0) 0 1))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_169} OutVars{ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_51|, ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_17|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_169, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_23|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_50, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_51|} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_main_#t~nondet8#1, ULTIMATE.start_main_#t~pre7#1, ~main$tmp_guard0~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] and [191] L765-->L770: Formula: (= (+ v_~__unbuffered_cnt~0_6 1) v_~__unbuffered_cnt~0_5) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_6} OutVars{~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_5} AuxVars[] AssignedVars[~__unbuffered_cnt~0] [2022-12-13 12:06:09,418 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [249] L789-3-->L2: Formula: (and (= |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_51| (mod v_~main$tmp_guard0~0_50 256)) (= v_~main$tmp_guard0~0_50 (ite (= (ite (= v_~__unbuffered_cnt~0_169 3) 1 0) 0) 0 1))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_169} OutVars{ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_51|, ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_17|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_169, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_23|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_50, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_51|} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_main_#t~nondet8#1, ULTIMATE.start_main_#t~pre7#1, ~main$tmp_guard0~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] and [219] L731-->P0FINAL: Formula: (and (= |v_P0Thread1of1ForFork1_#res.offset_7| 0) (= |v_P0Thread1of1ForFork1_#res.base_7| 0) (= (+ v_~__unbuffered_cnt~0_50 1) v_~__unbuffered_cnt~0_49)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_50} OutVars{P0Thread1of1ForFork1_#res.offset=|v_P0Thread1of1ForFork1_#res.offset_7|, P0Thread1of1ForFork1_#res.base=|v_P0Thread1of1ForFork1_#res.base_7|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_49} AuxVars[] AssignedVars[P0Thread1of1ForFork1_#res.offset, P0Thread1of1ForFork1_#res.base, ~__unbuffered_cnt~0] [2022-12-13 12:06:09,458 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [249] L789-3-->L2: Formula: (and (= |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_51| (mod v_~main$tmp_guard0~0_50 256)) (= v_~main$tmp_guard0~0_50 (ite (= (ite (= v_~__unbuffered_cnt~0_169 3) 1 0) 0) 0 1))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_169} OutVars{ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_51|, ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_17|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_169, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_23|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_50, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_51|} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_main_#t~nondet8#1, ULTIMATE.start_main_#t~pre7#1, ~main$tmp_guard0~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] and [185] L748-->L753: Formula: (= v_~__unbuffered_cnt~0_3 (+ v_~__unbuffered_cnt~0_4 1)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_4} OutVars{~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_3} AuxVars[] AssignedVars[~__unbuffered_cnt~0] [2022-12-13 12:06:09,473 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [249] L789-3-->L2: Formula: (and (= |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_51| (mod v_~main$tmp_guard0~0_50 256)) (= v_~main$tmp_guard0~0_50 (ite (= (ite (= v_~__unbuffered_cnt~0_169 3) 1 0) 0) 0 1))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_169} OutVars{ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_51|, ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_17|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_169, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_23|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_50, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_51|} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_main_#t~nondet8#1, ULTIMATE.start_main_#t~pre7#1, ~main$tmp_guard0~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] and [230] L765-->P2FINAL: Formula: (and (= |v_P2Thread1of1ForFork0_#res.offset_5| 0) (= (+ v_~__unbuffered_cnt~0_84 1) v_~__unbuffered_cnt~0_83) (= |v_P2Thread1of1ForFork0_#res.base_5| 0)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_84} OutVars{P2Thread1of1ForFork0_#res.base=|v_P2Thread1of1ForFork0_#res.base_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_83, P2Thread1of1ForFork0_#res.offset=|v_P2Thread1of1ForFork0_#res.offset_5|} AuxVars[] AssignedVars[P2Thread1of1ForFork0_#res.base, ~__unbuffered_cnt~0, P2Thread1of1ForFork0_#res.offset] [2022-12-13 12:06:09,506 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [249] L789-3-->L2: Formula: (and (= |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_51| (mod v_~main$tmp_guard0~0_50 256)) (= v_~main$tmp_guard0~0_50 (ite (= (ite (= v_~__unbuffered_cnt~0_169 3) 1 0) 0) 0 1))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_169} OutVars{ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_51|, ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_17|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_169, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_23|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_50, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_51|} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_main_#t~nondet8#1, ULTIMATE.start_main_#t~pre7#1, ~main$tmp_guard0~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] and [220] L731-->P0EXIT: Formula: (and (= |v_P0Thread1of1ForFork1_#res.base_9| 0) (= |v_P0Thread1of1ForFork1_#res.offset_9| 0) (= (+ v_~__unbuffered_cnt~0_54 1) v_~__unbuffered_cnt~0_53)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_54} OutVars{P0Thread1of1ForFork1_#res.offset=|v_P0Thread1of1ForFork1_#res.offset_9|, P0Thread1of1ForFork1_#res.base=|v_P0Thread1of1ForFork1_#res.base_9|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_53} AuxVars[] AssignedVars[P0Thread1of1ForFork1_#res.offset, P0Thread1of1ForFork1_#res.base, ~__unbuffered_cnt~0] [2022-12-13 12:06:09,540 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [249] L789-3-->L2: Formula: (and (= |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_51| (mod v_~main$tmp_guard0~0_50 256)) (= v_~main$tmp_guard0~0_50 (ite (= (ite (= v_~__unbuffered_cnt~0_169 3) 1 0) 0) 0 1))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_169} OutVars{ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_51|, ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_17|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_169, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_23|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_50, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_51|} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_main_#t~nondet8#1, ULTIMATE.start_main_#t~pre7#1, ~main$tmp_guard0~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] and [212] L748-->P1FINAL: Formula: (and (= v_~__unbuffered_cnt~0_21 (+ v_~__unbuffered_cnt~0_22 1)) (= |v_P1Thread1of1ForFork2_#res.base_5| 0) (= |v_P1Thread1of1ForFork2_#res.offset_5| 0)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_22} OutVars{P1Thread1of1ForFork2_#res.offset=|v_P1Thread1of1ForFork2_#res.offset_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_21, P1Thread1of1ForFork2_#res.base=|v_P1Thread1of1ForFork2_#res.base_5|} AuxVars[] AssignedVars[P1Thread1of1ForFork2_#res.offset, ~__unbuffered_cnt~0, P1Thread1of1ForFork2_#res.base] [2022-12-13 12:06:09,581 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [249] L789-3-->L2: Formula: (and (= |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_51| (mod v_~main$tmp_guard0~0_50 256)) (= v_~main$tmp_guard0~0_50 (ite (= (ite (= v_~__unbuffered_cnt~0_169 3) 1 0) 0) 0 1))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_169} OutVars{ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_51|, ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_17|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_169, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_23|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_50, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_51|} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_main_#t~nondet8#1, ULTIMATE.start_main_#t~pre7#1, ~main$tmp_guard0~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] and [233] L765-->P2EXIT: Formula: (and (= (+ v_~__unbuffered_cnt~0_92 1) v_~__unbuffered_cnt~0_91) (= |v_P2Thread1of1ForFork0_#res.offset_9| 0) (= |v_P2Thread1of1ForFork0_#res.base_9| 0)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_92} OutVars{P2Thread1of1ForFork0_#res.base=|v_P2Thread1of1ForFork0_#res.base_9|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_91, P2Thread1of1ForFork0_#res.offset=|v_P2Thread1of1ForFork0_#res.offset_9|} AuxVars[] AssignedVars[P2Thread1of1ForFork0_#res.base, ~__unbuffered_cnt~0, P2Thread1of1ForFork0_#res.offset] [2022-12-13 12:06:09,637 INFO L241 LiptonReduction]: Total number of compositions: 1 [2022-12-13 12:06:09,638 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 420 [2022-12-13 12:06:09,638 INFO L495 AbstractCegarLoop]: Abstraction has has 42 places, 48 transitions, 267 flow [2022-12-13 12:06:09,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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) [2022-12-13 12:06:09,639 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 12:06:09,639 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:06:09,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 12:06:09,639 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)] === [2022-12-13 12:06:09,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:06:09,639 INFO L85 PathProgramCache]: Analyzing trace with hash 1584250918, now seen corresponding path program 1 times [2022-12-13 12:06:09,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:06:09,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136967984] [2022-12-13 12:06:09,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:06:09,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:06:09,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:06:09,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:06:09,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:06:09,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136967984] [2022-12-13 12:06:09,757 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136967984] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:06:09,757 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:06:09,757 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 12:06:09,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891812782] [2022-12-13 12:06:09,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:06:09,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 12:06:09,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:06:09,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 12:06:09,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:06:09,759 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 35 [2022-12-13 12:06:09,760 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 48 transitions, 267 flow. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 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) [2022-12-13 12:06:09,760 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 12:06:09,760 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 35 [2022-12-13 12:06:09,761 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 12:06:10,050 INFO L130 PetriNetUnfolder]: 1529/2892 cut-off events. [2022-12-13 12:06:10,050 INFO L131 PetriNetUnfolder]: For 2348/2837 co-relation queries the response was YES. [2022-12-13 12:06:10,055 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10348 conditions, 2892 events. 1529/2892 cut-off events. For 2348/2837 co-relation queries the response was YES. Maximal size of possible extension queue 370. Compared 22013 event pairs, 114 based on Foata normal form. 128/1702 useless extension candidates. Maximal degree in co-relation 10332. Up to 1762 conditions per place. [2022-12-13 12:06:10,062 INFO L137 encePairwiseOnDemand]: 14/35 looper letters, 34 selfloop transitions, 35 changer transitions 20/98 dead transitions. [2022-12-13 12:06:10,062 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 98 transitions, 667 flow [2022-12-13 12:06:10,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 12:06:10,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 12:06:10,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 122 transitions. [2022-12-13 12:06:10,066 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.580952380952381 [2022-12-13 12:06:10,066 INFO L175 Difference]: Start difference. First operand has 42 places, 48 transitions, 267 flow. Second operand 6 states and 122 transitions. [2022-12-13 12:06:10,066 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 98 transitions, 667 flow [2022-12-13 12:06:10,076 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 98 transitions, 649 flow, removed 9 selfloop flow, removed 0 redundant places. [2022-12-13 12:06:10,078 INFO L231 Difference]: Finished difference. Result has 50 places, 64 transitions, 478 flow [2022-12-13 12:06:10,079 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=35, PETRI_DIFFERENCE_MINUEND_FLOW=249, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=478, PETRI_PLACES=50, PETRI_TRANSITIONS=64} [2022-12-13 12:06:10,080 INFO L295 CegarLoopForPetriNet]: 36 programPoint places, 14 predicate places. [2022-12-13 12:06:10,081 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 12:06:10,081 INFO L89 Accepts]: Start accepts. Operand has 50 places, 64 transitions, 478 flow [2022-12-13 12:06:10,082 INFO L95 Accepts]: Finished accepts. [2022-12-13 12:06:10,082 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 12:06:10,082 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 64 transitions, 478 flow [2022-12-13 12:06:10,083 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 50 places, 64 transitions, 478 flow [2022-12-13 12:06:10,166 INFO L130 PetriNetUnfolder]: 534/1381 cut-off events. [2022-12-13 12:06:10,167 INFO L131 PetriNetUnfolder]: For 2242/3226 co-relation queries the response was YES. [2022-12-13 12:06:10,170 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5881 conditions, 1381 events. 534/1381 cut-off events. For 2242/3226 co-relation queries the response was YES. Maximal size of possible extension queue 300. Compared 12527 event pairs, 96 based on Foata normal form. 8/641 useless extension candidates. Maximal degree in co-relation 5863. Up to 973 conditions per place. [2022-12-13 12:06:10,176 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 64 transitions, 478 flow [2022-12-13 12:06:10,177 INFO L226 LiptonReduction]: Number of co-enabled transitions 784 [2022-12-13 12:06:10,497 INFO L241 LiptonReduction]: Total number of compositions: 1 [2022-12-13 12:06:10,498 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 417 [2022-12-13 12:06:10,498 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 57 transitions, 404 flow [2022-12-13 12:06:10,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 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) [2022-12-13 12:06:10,498 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 12:06:10,498 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:06:10,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 12:06:10,498 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)] === [2022-12-13 12:06:10,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:06:10,499 INFO L85 PathProgramCache]: Analyzing trace with hash 2032562821, now seen corresponding path program 1 times [2022-12-13 12:06:10,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:06:10,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102160281] [2022-12-13 12:06:10,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:06:10,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:06:10,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:06:10,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:06:10,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:06:10,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102160281] [2022-12-13 12:06:10,571 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102160281] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:06:10,571 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:06:10,571 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 12:06:10,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375449743] [2022-12-13 12:06:10,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:06:10,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 12:06:10,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:06:10,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 12:06:10,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:06:10,572 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 29 [2022-12-13 12:06:10,572 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 57 transitions, 404 flow. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 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) [2022-12-13 12:06:10,572 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 12:06:10,572 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 29 [2022-12-13 12:06:10,573 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 12:06:10,757 INFO L130 PetriNetUnfolder]: 779/1578 cut-off events. [2022-12-13 12:06:10,757 INFO L131 PetriNetUnfolder]: For 2796/2997 co-relation queries the response was YES. [2022-12-13 12:06:10,760 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7152 conditions, 1578 events. 779/1578 cut-off events. For 2796/2997 co-relation queries the response was YES. Maximal size of possible extension queue 189. Compared 11149 event pairs, 24 based on Foata normal form. 94/1002 useless extension candidates. Maximal degree in co-relation 7131. Up to 907 conditions per place. [2022-12-13 12:06:10,764 INFO L137 encePairwiseOnDemand]: 14/29 looper letters, 23 selfloop transitions, 35 changer transitions 18/85 dead transitions. [2022-12-13 12:06:10,764 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 85 transitions, 676 flow [2022-12-13 12:06:10,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 12:06:10,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-12-13 12:06:10,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 121 transitions. [2022-12-13 12:06:10,765 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.521551724137931 [2022-12-13 12:06:10,765 INFO L175 Difference]: Start difference. First operand has 50 places, 57 transitions, 404 flow. Second operand 8 states and 121 transitions. [2022-12-13 12:06:10,765 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 85 transitions, 676 flow [2022-12-13 12:06:10,778 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 85 transitions, 616 flow, removed 22 selfloop flow, removed 2 redundant places. [2022-12-13 12:06:10,779 INFO L231 Difference]: Finished difference. Result has 58 places, 55 transitions, 419 flow [2022-12-13 12:06:10,779 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=314, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=419, PETRI_PLACES=58, PETRI_TRANSITIONS=55} [2022-12-13 12:06:10,780 INFO L295 CegarLoopForPetriNet]: 36 programPoint places, 22 predicate places. [2022-12-13 12:06:10,780 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 12:06:10,780 INFO L89 Accepts]: Start accepts. Operand has 58 places, 55 transitions, 419 flow [2022-12-13 12:06:10,781 INFO L95 Accepts]: Finished accepts. [2022-12-13 12:06:10,781 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 12:06:10,781 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 55 transitions, 419 flow [2022-12-13 12:06:10,781 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 57 places, 55 transitions, 419 flow [2022-12-13 12:06:10,815 INFO L130 PetriNetUnfolder]: 228/691 cut-off events. [2022-12-13 12:06:10,816 INFO L131 PetriNetUnfolder]: For 1599/1842 co-relation queries the response was YES. [2022-12-13 12:06:10,817 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3286 conditions, 691 events. 228/691 cut-off events. For 1599/1842 co-relation queries the response was YES. Maximal size of possible extension queue 180. Compared 5687 event pairs, 6 based on Foata normal form. 3/355 useless extension candidates. Maximal degree in co-relation 3265. Up to 406 conditions per place. [2022-12-13 12:06:10,821 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 57 places, 55 transitions, 419 flow [2022-12-13 12:06:10,821 INFO L226 LiptonReduction]: Number of co-enabled transitions 574 [2022-12-13 12:06:10,931 INFO L241 LiptonReduction]: Total number of compositions: 2 [2022-12-13 12:06:10,932 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 152 [2022-12-13 12:06:10,932 INFO L495 AbstractCegarLoop]: Abstraction has has 55 places, 50 transitions, 371 flow [2022-12-13 12:06:10,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 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) [2022-12-13 12:06:10,932 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 12:06:10,932 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:06:10,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 12:06:10,933 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)] === [2022-12-13 12:06:10,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:06:10,933 INFO L85 PathProgramCache]: Analyzing trace with hash 203651137, now seen corresponding path program 1 times [2022-12-13 12:06:10,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:06:10,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115403635] [2022-12-13 12:06:10,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:06:10,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:06:10,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:06:11,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:06:11,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:06:11,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115403635] [2022-12-13 12:06:11,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115403635] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:06:11,005 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:06:11,005 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 12:06:11,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795265025] [2022-12-13 12:06:11,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:06:11,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:06:11,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:06:11,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:06:11,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:06:11,006 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 26 [2022-12-13 12:06:11,006 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 50 transitions, 371 flow. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 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) [2022-12-13 12:06:11,006 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 12:06:11,006 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 26 [2022-12-13 12:06:11,006 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 12:06:11,127 INFO L130 PetriNetUnfolder]: 656/1160 cut-off events. [2022-12-13 12:06:11,127 INFO L131 PetriNetUnfolder]: For 2588/2652 co-relation queries the response was YES. [2022-12-13 12:06:11,130 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5239 conditions, 1160 events. 656/1160 cut-off events. For 2588/2652 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 6439 event pairs, 18 based on Foata normal form. 62/920 useless extension candidates. Maximal degree in co-relation 5224. Up to 728 conditions per place. [2022-12-13 12:06:11,131 INFO L137 encePairwiseOnDemand]: 17/26 looper letters, 0 selfloop transitions, 0 changer transitions 93/93 dead transitions. [2022-12-13 12:06:11,131 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 93 transitions, 794 flow [2022-12-13 12:06:11,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 12:06:11,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-13 12:06:11,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 83 transitions. [2022-12-13 12:06:11,132 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.6384615384615384 [2022-12-13 12:06:11,132 INFO L175 Difference]: Start difference. First operand has 55 places, 50 transitions, 371 flow. Second operand 5 states and 83 transitions. [2022-12-13 12:06:11,133 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 93 transitions, 794 flow [2022-12-13 12:06:11,142 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 93 transitions, 504 flow, removed 27 selfloop flow, removed 11 redundant places. [2022-12-13 12:06:11,143 INFO L231 Difference]: Finished difference. Result has 43 places, 0 transitions, 0 flow [2022-12-13 12:06:11,143 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=26, PETRI_DIFFERENCE_MINUEND_FLOW=164, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=43, PETRI_TRANSITIONS=0} [2022-12-13 12:06:11,144 INFO L295 CegarLoopForPetriNet]: 36 programPoint places, 7 predicate places. [2022-12-13 12:06:11,144 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 12:06:11,144 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 43 places, 0 transitions, 0 flow [2022-12-13 12:06:11,145 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2022-12-13 12:06:11,145 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-13 12:06:11,145 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 12:06:11,145 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. [2022-12-13 12:06:11,145 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 0 places, 0 transitions, 0 flow [2022-12-13 12:06:11,145 INFO L226 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-13 12:06:11,145 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 12:06:11,146 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 2 [2022-12-13 12:06:11,146 INFO L495 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2022-12-13 12:06:11,146 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 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) [2022-12-13 12:06:11,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-12-13 12:06:11,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2022-12-13 12:06:11,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2022-12-13 12:06:11,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2022-12-13 12:06:11,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 12:06:11,149 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-12-13 12:06:11,151 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 12:06:11,151 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 12:06:11,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 12:06:11 BasicIcfg [2022-12-13 12:06:11,153 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 12:06:11,153 INFO L158 Benchmark]: Toolchain (without parser) took 6475.80ms. Allocated memory was 192.9MB in the beginning and 347.1MB in the end (delta: 154.1MB). Free memory was 158.3MB in the beginning and 269.0MB in the end (delta: -110.6MB). Peak memory consumption was 45.1MB. Max. memory is 8.0GB. [2022-12-13 12:06:11,153 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 192.9MB. Free memory is still 170.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-13 12:06:11,154 INFO L158 Benchmark]: CACSL2BoogieTranslator took 391.33ms. Allocated memory is still 192.9MB. Free memory was 158.3MB in the beginning and 134.2MB in the end (delta: 24.1MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. [2022-12-13 12:06:11,154 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.66ms. Allocated memory is still 192.9MB. Free memory was 134.2MB in the beginning and 132.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-13 12:06:11,154 INFO L158 Benchmark]: Boogie Preprocessor took 22.82ms. Allocated memory is still 192.9MB. Free memory was 132.1MB in the beginning and 130.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-13 12:06:11,154 INFO L158 Benchmark]: RCFGBuilder took 272.90ms. Allocated memory is still 192.9MB. Free memory was 130.6MB in the beginning and 116.9MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-12-13 12:06:11,154 INFO L158 Benchmark]: TraceAbstraction took 5754.37ms. Allocated memory was 192.9MB in the beginning and 347.1MB in the end (delta: 154.1MB). Free memory was 115.9MB in the beginning and 269.0MB in the end (delta: -153.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-12-13 12:06:11,155 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 192.9MB. Free memory is still 170.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 391.33ms. Allocated memory is still 192.9MB. Free memory was 158.3MB in the beginning and 134.2MB in the end (delta: 24.1MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 29.66ms. Allocated memory is still 192.9MB. Free memory was 134.2MB in the beginning and 132.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 22.82ms. Allocated memory is still 192.9MB. Free memory was 132.1MB in the beginning and 130.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 272.90ms. Allocated memory is still 192.9MB. Free memory was 130.6MB in the beginning and 116.9MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 5754.37ms. Allocated memory was 192.9MB in the beginning and 347.1MB in the end (delta: 154.1MB). Free memory was 115.9MB in the beginning and 269.0MB in the end (delta: -153.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.1s, 79 PlacesBefore, 36 PlacesAfterwards, 70 TransitionsBefore, 27 TransitionsAfterwards, 1044 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 20 TrivialYvCompositions, 32 ConcurrentYvCompositions, 0 ChoiceCompositions, 53 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1140, independent: 1077, independent conditional: 1077, independent unconditional: 0, dependent: 63, dependent conditional: 63, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1140, independent: 1077, independent conditional: 0, independent unconditional: 1077, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1140, independent: 1077, independent conditional: 0, independent unconditional: 1077, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1140, independent: 1077, independent conditional: 0, independent unconditional: 1077, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 888, independent: 849, independent conditional: 0, independent unconditional: 849, dependent: 39, dependent conditional: 0, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 888, independent: 838, independent conditional: 0, independent unconditional: 838, dependent: 50, dependent conditional: 0, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 50, independent: 11, independent conditional: 0, independent unconditional: 11, dependent: 39, dependent conditional: 0, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 106, independent: 21, independent conditional: 0, independent unconditional: 21, dependent: 85, dependent conditional: 0, dependent unconditional: 85, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1140, independent: 228, independent conditional: 0, independent unconditional: 228, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 888, unknown conditional: 0, unknown unconditional: 888] , Statistics on independence cache: Total cache size (in pairs): 1259, Positive cache size: 1220, Positive conditional cache size: 0, Positive unconditional cache size: 1220, Negative cache size: 39, Negative conditional cache size: 0, Negative unconditional cache size: 39, 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, 37 PlacesBefore, 37 PlacesAfterwards, 30 TransitionsBefore, 30 TransitionsAfterwards, 412 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13, independent: 10, independent conditional: 10, independent unconditional: 0, dependent: 3, dependent conditional: 3, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 13, independent: 10, independent conditional: 4, independent unconditional: 6, dependent: 3, dependent conditional: 2, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 13, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 13, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9, independent: 7, independent conditional: 0, independent unconditional: 7, 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: 9, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 5, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 13, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 9, unknown conditional: 0, unknown unconditional: 9] , Statistics on independence cache: Total cache size (in pairs): 9, Positive cache size: 7, Positive conditional cache size: 0, Positive unconditional cache size: 7, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 6, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 38 PlacesBefore, 38 PlacesAfterwards, 30 TransitionsBefore, 30 TransitionsAfterwards, 410 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12, independent: 9, independent conditional: 9, independent unconditional: 0, dependent: 3, dependent conditional: 3, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 12, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 12, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 12, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 3, dependent conditional: 0, dependent unconditional: 3, 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: 12, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 9, Positive cache size: 7, Positive conditional cache size: 0, Positive unconditional cache size: 7, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.3s, 43 PlacesBefore, 42 PlacesAfterwards, 49 TransitionsBefore, 48 TransitionsAfterwards, 730 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 129, independent: 125, independent conditional: 125, independent unconditional: 0, dependent: 4, dependent conditional: 4, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 129, independent: 125, independent conditional: 117, independent unconditional: 8, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 129, independent: 125, independent conditional: 117, independent unconditional: 8, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 129, independent: 125, independent conditional: 117, independent unconditional: 8, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 4, 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: 4, independent: 4, independent conditional: 0, independent unconditional: 4, 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: 129, independent: 121, independent conditional: 113, independent unconditional: 8, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 13, Positive cache size: 11, Positive conditional cache size: 4, Positive unconditional cache size: 7, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.3s, 50 PlacesBefore, 50 PlacesAfterwards, 64 TransitionsBefore, 57 TransitionsAfterwards, 784 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 76, independent: 72, independent conditional: 72, independent unconditional: 0, dependent: 4, dependent conditional: 4, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 76, independent: 72, independent conditional: 64, independent unconditional: 8, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 76, independent: 72, independent conditional: 64, independent unconditional: 8, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 76, independent: 72, independent conditional: 64, independent unconditional: 8, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 40, independent: 40, independent conditional: 40, 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: 40, independent: 40, independent conditional: 0, independent unconditional: 40, 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: 76, independent: 32, independent conditional: 24, independent unconditional: 8, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 40, unknown conditional: 40, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 53, Positive cache size: 51, Positive conditional cache size: 44, Positive unconditional cache size: 7, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.1s, 57 PlacesBefore, 55 PlacesAfterwards, 55 TransitionsBefore, 50 TransitionsAfterwards, 574 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 138, independent: 134, independent conditional: 134, independent unconditional: 0, dependent: 4, dependent conditional: 4, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 138, independent: 134, independent conditional: 99, independent unconditional: 35, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 138, independent: 134, independent conditional: 99, independent unconditional: 35, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 138, independent: 134, independent conditional: 99, independent unconditional: 35, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 59, independent: 59, independent conditional: 48, independent unconditional: 11, 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: 59, independent: 59, independent conditional: 0, independent unconditional: 59, 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: 138, independent: 75, independent conditional: 51, independent unconditional: 24, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 59, unknown conditional: 48, unknown unconditional: 11] , Statistics on independence cache: Total cache size (in pairs): 119, Positive cache size: 117, Positive conditional cache size: 98, Positive unconditional cache size: 19, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 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: 117, Positive conditional cache size: 98, Positive unconditional cache size: 19, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - 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: 5.6s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 147 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 147 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 65 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 455 IncrementalHoareTripleChecker+Invalid, 520 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 65 mSolverCounterUnsat, 3 mSDtfsCounter, 455 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=478occurred in iteration=4, InterpolantAutomatonStates: 30, 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, 0.7s InterpolantComputationTime, 69 NumberOfCodeBlocks, 69 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 63 ConstructedInterpolants, 0 QuantifiedInterpolants, 353 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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! [2022-12-13 12:06:11,170 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...