/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-8d0d62b [2022-12-06 06:45:48,766 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 06:45:48,768 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 06:45:48,795 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 06:45:48,796 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 06:45:48,798 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 06:45:48,800 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 06:45:48,803 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 06:45:48,807 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 06:45:48,810 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 06:45:48,811 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 06:45:48,813 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 06:45:48,813 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 06:45:48,815 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 06:45:48,816 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 06:45:48,819 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 06:45:48,820 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 06:45:48,820 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 06:45:48,823 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 06:45:48,826 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 06:45:48,827 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 06:45:48,828 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 06:45:48,829 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 06:45:48,830 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 06:45:48,835 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 06:45:48,835 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 06:45:48,835 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 06:45:48,836 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 06:45:48,836 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 06:45:48,837 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 06:45:48,837 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 06:45:48,837 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 06:45:48,838 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 06:45:48,838 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 06:45:48,839 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 06:45:48,839 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 06:45:48,839 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 06:45:48,840 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 06:45:48,840 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 06:45:48,840 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 06:45:48,841 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 06:45:48,844 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithDisjunctivePredicates.epf [2022-12-06 06:45:48,876 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 06:45:48,877 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 06:45:48,878 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 06:45:48,878 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 06:45:48,878 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 06:45:48,879 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 06:45:48,879 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 06:45:48,879 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 06:45:48,879 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 06:45:48,879 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 06:45:48,880 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 06:45:48,880 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 06:45:48,880 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 06:45:48,880 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 06:45:48,880 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 06:45:48,880 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 06:45:48,881 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 06:45:48,881 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 06:45:48,881 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 06:45:48,881 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 06:45:48,881 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 06:45:48,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 06:45:48,881 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 06:45:48,881 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 06:45:48,881 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 06:45:48,882 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 06:45:48,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 06:45:48,882 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 06:45:48,882 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-06 06:45:49,200 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 06:45:49,220 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 06:45:49,222 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 06:45:49,222 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 06:45:49,223 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 06:45:49,224 INFO L432 ainManager$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 [2022-12-06 06:45:50,222 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 06:45:50,470 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 06:45:50,471 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 [2022-12-06 06:45:50,493 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68e4e86d9/558cc0bc9b484c60ae5b6331d46bffb8/FLAG86b59fcf8 [2022-12-06 06:45:50,508 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68e4e86d9/558cc0bc9b484c60ae5b6331d46bffb8 [2022-12-06 06:45:50,510 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 06:45:50,510 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 06:45:50,512 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 06:45:50,513 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 06:45:50,515 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 06:45:50,515 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:45:50" (1/1) ... [2022-12-06 06:45:50,516 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b865c0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:45:50, skipping insertion in model container [2022-12-06 06:45:50,516 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:45:50" (1/1) ... [2022-12-06 06:45:50,521 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 06:45:50,558 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 06:45:50,695 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] [2022-12-06 06:45:50,820 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:45:50,820 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:45:50,820 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:45:50,820 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:45:50,821 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:45:50,821 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:45:50,821 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:45:50,822 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:45:50,822 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:45:50,822 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:45:50,823 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:45:50,823 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:45:50,823 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:45:50,823 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:45:50,823 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:45:50,824 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:45:50,824 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:45:50,824 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:45:50,824 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:45:50,824 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:45:50,825 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:45:50,825 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:45:50,825 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:45:50,825 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:45:50,825 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:45:50,826 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:45:50,826 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:45:50,826 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:45:50,826 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:45:50,827 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:45:50,835 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:45:50,835 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:45:50,836 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:45:50,837 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:45:50,837 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:45:50,839 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:45:50,841 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 06:45:50,849 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 06:45:50,861 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] [2022-12-06 06:45:50,874 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:45:50,874 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:45:50,875 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:45:50,875 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:45:50,875 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:45:50,875 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:45:50,875 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:45:50,875 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:45:50,876 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:45:50,876 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:45:50,876 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:45:50,876 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:45:50,876 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:45:50,877 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:45:50,877 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:45:50,877 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:45:50,877 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:45:50,877 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:45:50,877 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:45:50,877 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:45:50,878 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:45:50,878 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:45:50,878 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:45:50,878 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:45:50,878 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:45:50,878 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:45:50,879 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:45:50,879 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:45:50,879 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:45:50,879 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:45:50,881 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:45:50,881 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:45:50,882 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:45:50,882 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:45:50,882 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:45:50,882 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:45:50,883 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 06:45:50,911 INFO L208 MainTranslator]: Completed translation [2022-12-06 06:45:50,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:45:50 WrapperNode [2022-12-06 06:45:50,912 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 06:45:50,913 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 06:45:50,913 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 06:45:50,913 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 06:45:50,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:45:50" (1/1) ... [2022-12-06 06:45:50,929 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:45:50" (1/1) ... [2022-12-06 06:45:50,944 INFO L138 Inliner]: procedures = 176, calls = 59, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2022-12-06 06:45:50,944 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 06:45:50,945 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 06:45:50,945 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 06:45:50,945 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 06:45:50,950 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:45:50" (1/1) ... [2022-12-06 06:45:50,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:45:50" (1/1) ... [2022-12-06 06:45:50,952 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:45:50" (1/1) ... [2022-12-06 06:45:50,953 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:45:50" (1/1) ... [2022-12-06 06:45:50,956 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:45:50" (1/1) ... [2022-12-06 06:45:50,962 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:45:50" (1/1) ... [2022-12-06 06:45:50,964 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:45:50" (1/1) ... [2022-12-06 06:45:50,965 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:45:50" (1/1) ... [2022-12-06 06:45:50,966 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 06:45:50,976 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 06:45:50,976 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 06:45:50,976 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 06:45:50,977 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:45:50" (1/1) ... [2022-12-06 06:45:50,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 06:45:51,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 06:45:51,014 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-06 06:45:51,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-06 06:45:51,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 06:45:51,041 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-06 06:45:51,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 06:45:51,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 06:45:51,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 06:45:51,042 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-06 06:45:51,042 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-06 06:45:51,042 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-06 06:45:51,042 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-06 06:45:51,042 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-12-06 06:45:51,042 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-12-06 06:45:51,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 06:45:51,042 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-06 06:45:51,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 06:45:51,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 06:45:51,043 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-06 06:45:51,136 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 06:45:51,138 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 06:45:51,282 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 06:45:51,287 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 06:45:51,287 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-06 06:45:51,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:45:51 BoogieIcfgContainer [2022-12-06 06:45:51,289 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 06:45:51,291 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 06:45:51,291 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 06:45:51,293 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 06:45:51,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 06:45:50" (1/3) ... [2022-12-06 06:45:51,293 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61ee484a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 06:45:51, skipping insertion in model container [2022-12-06 06:45:51,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:45:50" (2/3) ... [2022-12-06 06:45:51,294 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61ee484a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 06:45:51, skipping insertion in model container [2022-12-06 06:45:51,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:45:51" (3/3) ... [2022-12-06 06:45:51,295 INFO L112 eAbstractionObserver]: Analyzing ICFG safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i [2022-12-06 06:45:51,308 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 06:45:51,308 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-06 06:45:51,308 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 06:45:51,349 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-06 06:45:51,376 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 93 places, 85 transitions, 185 flow [2022-12-06 06:45:51,436 INFO L130 PetriNetUnfolder]: 2/82 cut-off events. [2022-12-06 06:45:51,436 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 06:45:51,441 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. [2022-12-06 06:45:51,441 INFO L82 GeneralOperation]: Start removeDead. Operand has 93 places, 85 transitions, 185 flow [2022-12-06 06:45:51,445 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 79 places, 70 transitions, 149 flow [2022-12-06 06:45:51,447 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:45:51,463 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 70 transitions, 149 flow [2022-12-06 06:45:51,470 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 79 places, 70 transitions, 149 flow [2022-12-06 06:45:51,500 INFO L130 PetriNetUnfolder]: 1/70 cut-off events. [2022-12-06 06:45:51,500 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 06:45:51,501 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. [2022-12-06 06:45:51,504 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 70 transitions, 149 flow [2022-12-06 06:45:51,504 INFO L188 LiptonReduction]: Number of co-enabled transitions 1044 [2022-12-06 06:45:53,561 INFO L203 LiptonReduction]: Total number of compositions: 53 [2022-12-06 06:45:53,572 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 06:45:53,576 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;@63dfe60a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 06:45:53,577 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-06 06:45:53,580 INFO L130 PetriNetUnfolder]: 0/14 cut-off events. [2022-12-06 06:45:53,580 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 06:45:53,580 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:45:53,581 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 06:45:53,581 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)] === [2022-12-06 06:45:53,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:45:53,584 INFO L85 PathProgramCache]: Analyzing trace with hash 235629856, now seen corresponding path program 1 times [2022-12-06 06:45:53,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:45:53,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44746631] [2022-12-06 06:45:53,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:45:53,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:45:53,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:45:53,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:45:53,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:45:53,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44746631] [2022-12-06 06:45:53,978 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44746631] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:45:53,978 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:45:53,978 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-06 06:45:53,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172136505] [2022-12-06 06:45:53,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:45:53,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 06:45:53,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:45:54,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 06:45:54,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 06:45:54,003 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 18 [2022-12-06 06:45:54,004 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 18 transitions, 45 flow. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:45:54,004 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:45:54,004 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 18 [2022-12-06 06:45:54,005 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:45:54,140 INFO L130 PetriNetUnfolder]: 577/932 cut-off events. [2022-12-06 06:45:54,140 INFO L131 PetriNetUnfolder]: For 24/24 co-relation queries the response was YES. [2022-12-06 06:45:54,142 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1923 conditions, 932 events. 577/932 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 4232 event pairs, 206 based on Foata normal form. 58/990 useless extension candidates. Maximal degree in co-relation 1912. Up to 482 conditions per place. [2022-12-06 06:45:54,147 INFO L137 encePairwiseOnDemand]: 10/18 looper letters, 24 selfloop transitions, 6 changer transitions 0/30 dead transitions. [2022-12-06 06:45:54,147 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 30 transitions, 135 flow [2022-12-06 06:45:54,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 06:45:54,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 06:45:54,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 33 transitions. [2022-12-06 06:45:54,155 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6111111111111112 [2022-12-06 06:45:54,157 INFO L175 Difference]: Start difference. First operand has 27 places, 18 transitions, 45 flow. Second operand 3 states and 33 transitions. [2022-12-06 06:45:54,157 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 30 transitions, 135 flow [2022-12-06 06:45:54,159 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 30 transitions, 130 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-12-06 06:45:54,160 INFO L231 Difference]: Finished difference. Result has 28 places, 21 transitions, 82 flow [2022-12-06 06:45:54,162 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=18, PETRI_DIFFERENCE_MINUEND_FLOW=40, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=82, PETRI_PLACES=28, PETRI_TRANSITIONS=21} [2022-12-06 06:45:54,164 INFO L294 CegarLoopForPetriNet]: 27 programPoint places, 1 predicate places. [2022-12-06 06:45:54,164 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:45:54,165 INFO L89 Accepts]: Start accepts. Operand has 28 places, 21 transitions, 82 flow [2022-12-06 06:45:54,167 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:45:54,167 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:45:54,167 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 28 places, 21 transitions, 82 flow [2022-12-06 06:45:54,169 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 28 places, 21 transitions, 82 flow [2022-12-06 06:45:54,178 INFO L130 PetriNetUnfolder]: 46/132 cut-off events. [2022-12-06 06:45:54,178 INFO L131 PetriNetUnfolder]: For 24/24 co-relation queries the response was YES. [2022-12-06 06:45:54,179 INFO L83 FinitePrefix]: Finished finitePrefix Result has 282 conditions, 132 events. 46/132 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 631 event pairs, 16 based on Foata normal form. 0/128 useless extension candidates. Maximal degree in co-relation 273. Up to 56 conditions per place. [2022-12-06 06:45:54,179 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 28 places, 21 transitions, 82 flow [2022-12-06 06:45:54,179 INFO L188 LiptonReduction]: Number of co-enabled transitions 138 [2022-12-06 06:45:54,184 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 06:45:54,185 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 21 [2022-12-06 06:45:54,185 INFO L495 AbstractCegarLoop]: Abstraction has has 28 places, 21 transitions, 82 flow [2022-12-06 06:45:54,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:45:54,185 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:45:54,185 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 06:45:54,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 06:45:54,186 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)] === [2022-12-06 06:45:54,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:45:54,186 INFO L85 PathProgramCache]: Analyzing trace with hash -1285410536, now seen corresponding path program 1 times [2022-12-06 06:45:54,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:45:54,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606905324] [2022-12-06 06:45:54,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:45:54,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:45:54,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:45:54,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:45:54,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:45:54,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606905324] [2022-12-06 06:45:54,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606905324] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:45:54,304 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:45:54,304 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-06 06:45:54,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436047186] [2022-12-06 06:45:54,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:45:54,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 06:45:54,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:45:54,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 06:45:54,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 06:45:54,306 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 2 out of 17 [2022-12-06 06:45:54,306 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 21 transitions, 82 flow. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:45:54,306 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:45:54,306 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2 of 17 [2022-12-06 06:45:54,306 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:45:54,377 INFO L130 PetriNetUnfolder]: 372/646 cut-off events. [2022-12-06 06:45:54,377 INFO L131 PetriNetUnfolder]: For 281/285 co-relation queries the response was YES. [2022-12-06 06:45:54,380 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1637 conditions, 646 events. 372/646 cut-off events. For 281/285 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 2972 event pairs, 170 based on Foata normal form. 19/640 useless extension candidates. Maximal degree in co-relation 1625. Up to 316 conditions per place. [2022-12-06 06:45:54,383 INFO L137 encePairwiseOnDemand]: 14/17 looper letters, 18 selfloop transitions, 3 changer transitions 1/26 dead transitions. [2022-12-06 06:45:54,383 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 26 transitions, 140 flow [2022-12-06 06:45:54,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 06:45:54,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 06:45:54,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 27 transitions. [2022-12-06 06:45:54,386 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5294117647058824 [2022-12-06 06:45:54,386 INFO L175 Difference]: Start difference. First operand has 28 places, 21 transitions, 82 flow. Second operand 3 states and 27 transitions. [2022-12-06 06:45:54,386 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 26 transitions, 140 flow [2022-12-06 06:45:54,389 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 26 transitions, 126 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-06 06:45:54,390 INFO L231 Difference]: Finished difference. Result has 29 places, 21 transitions, 81 flow [2022-12-06 06:45:54,390 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=17, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=81, PETRI_PLACES=29, PETRI_TRANSITIONS=21} [2022-12-06 06:45:54,391 INFO L294 CegarLoopForPetriNet]: 27 programPoint places, 2 predicate places. [2022-12-06 06:45:54,391 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:45:54,391 INFO L89 Accepts]: Start accepts. Operand has 29 places, 21 transitions, 81 flow [2022-12-06 06:45:54,392 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:45:54,392 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:45:54,392 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 29 places, 21 transitions, 81 flow [2022-12-06 06:45:54,394 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 29 places, 21 transitions, 81 flow [2022-12-06 06:45:54,401 INFO L130 PetriNetUnfolder]: 24/83 cut-off events. [2022-12-06 06:45:54,401 INFO L131 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2022-12-06 06:45:54,402 INFO L83 FinitePrefix]: Finished finitePrefix Result has 176 conditions, 83 events. 24/83 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 302 event pairs, 8 based on Foata normal form. 0/81 useless extension candidates. Maximal degree in co-relation 166. Up to 34 conditions per place. [2022-12-06 06:45:54,402 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 29 places, 21 transitions, 81 flow [2022-12-06 06:45:54,403 INFO L188 LiptonReduction]: Number of co-enabled transitions 138 [2022-12-06 06:45:54,416 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 06:45:54,417 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 26 [2022-12-06 06:45:54,418 INFO L495 AbstractCegarLoop]: Abstraction has has 29 places, 21 transitions, 81 flow [2022-12-06 06:45:54,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:45:54,418 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:45:54,418 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 06:45:54,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 06:45:54,418 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)] === [2022-12-06 06:45:54,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:45:54,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1672012076, now seen corresponding path program 1 times [2022-12-06 06:45:54,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:45:54,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381326168] [2022-12-06 06:45:54,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:45:54,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:45:54,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:45:54,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:45:54,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:45:54,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381326168] [2022-12-06 06:45:54,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381326168] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:45:54,569 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:45:54,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 06:45:54,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131475536] [2022-12-06 06:45:54,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:45:54,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 06:45:54,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:45:54,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 06:45:54,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-06 06:45:54,571 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 17 [2022-12-06 06:45:54,571 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 21 transitions, 81 flow. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:45:54,571 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:45:54,571 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 17 [2022-12-06 06:45:54,571 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:45:54,678 INFO L130 PetriNetUnfolder]: 297/585 cut-off events. [2022-12-06 06:45:54,678 INFO L131 PetriNetUnfolder]: For 200/208 co-relation queries the response was YES. [2022-12-06 06:45:54,679 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1397 conditions, 585 events. 297/585 cut-off events. For 200/208 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 3190 event pairs, 62 based on Foata normal form. 23/579 useless extension candidates. Maximal degree in co-relation 1384. Up to 306 conditions per place. [2022-12-06 06:45:54,680 INFO L137 encePairwiseOnDemand]: 11/17 looper letters, 32 selfloop transitions, 8 changer transitions 1/47 dead transitions. [2022-12-06 06:45:54,681 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 47 transitions, 237 flow [2022-12-06 06:45:54,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-06 06:45:54,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-06 06:45:54,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 54 transitions. [2022-12-06 06:45:54,682 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6352941176470588 [2022-12-06 06:45:54,682 INFO L175 Difference]: Start difference. First operand has 29 places, 21 transitions, 81 flow. Second operand 5 states and 54 transitions. [2022-12-06 06:45:54,682 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 47 transitions, 237 flow [2022-12-06 06:45:54,684 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 47 transitions, 231 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-06 06:45:54,684 INFO L231 Difference]: Finished difference. Result has 34 places, 28 transitions, 133 flow [2022-12-06 06:45:54,685 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=17, PETRI_DIFFERENCE_MINUEND_FLOW=75, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=133, PETRI_PLACES=34, PETRI_TRANSITIONS=28} [2022-12-06 06:45:54,686 INFO L294 CegarLoopForPetriNet]: 27 programPoint places, 7 predicate places. [2022-12-06 06:45:54,686 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:45:54,686 INFO L89 Accepts]: Start accepts. Operand has 34 places, 28 transitions, 133 flow [2022-12-06 06:45:54,687 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:45:54,687 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:45:54,687 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 34 places, 28 transitions, 133 flow [2022-12-06 06:45:54,688 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 34 places, 28 transitions, 133 flow [2022-12-06 06:45:54,706 INFO L130 PetriNetUnfolder]: 73/217 cut-off events. [2022-12-06 06:45:54,707 INFO L131 PetriNetUnfolder]: For 164/184 co-relation queries the response was YES. [2022-12-06 06:45:54,707 INFO L83 FinitePrefix]: Finished finitePrefix Result has 594 conditions, 217 events. 73/217 cut-off events. For 164/184 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 1260 event pairs, 37 based on Foata normal form. 7/214 useless extension candidates. Maximal degree in co-relation 581. Up to 114 conditions per place. [2022-12-06 06:45:54,708 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 34 places, 28 transitions, 133 flow [2022-12-06 06:45:54,708 INFO L188 LiptonReduction]: Number of co-enabled transitions 236 [2022-12-06 06:45:54,717 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [247] L789-3-->L2: Formula: (and (= (mod v_~main$tmp_guard0~0_38 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_39|) (= v_~main$tmp_guard0~0_38 (ite (= (ite (= v_~__unbuffered_cnt~0_113 3) 1 0) 0) 0 1))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_113} OutVars{ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_39|, ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_15|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_113, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_21|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_38, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_39|} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_main_#t~nondet8#1, ULTIMATE.start_main_#t~pre7#1, ~main$tmp_guard0~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] and [243] L748-->P1EXIT: Formula: (and (= v_~__unbuffered_cnt~0_109 (+ v_~__unbuffered_cnt~0_110 1)) (= |v_P1Thread1of1ForFork2_#res.base_21| 0) (= 0 |v_P1Thread1of1ForFork2_#res.offset_21|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_110} OutVars{P1Thread1of1ForFork2_#res.offset=|v_P1Thread1of1ForFork2_#res.offset_21|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_109, P1Thread1of1ForFork2_#res.base=|v_P1Thread1of1ForFork2_#res.base_21|} AuxVars[] AssignedVars[P1Thread1of1ForFork2_#res.offset, ~__unbuffered_cnt~0, P1Thread1of1ForFork2_#res.base] [2022-12-06 06:45:54,748 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [247] L789-3-->L2: Formula: (and (= (mod v_~main$tmp_guard0~0_38 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_39|) (= v_~main$tmp_guard0~0_38 (ite (= (ite (= v_~__unbuffered_cnt~0_113 3) 1 0) 0) 0 1))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_113} OutVars{ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_39|, ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_15|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_113, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_21|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_38, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_39|} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_main_#t~nondet8#1, ULTIMATE.start_main_#t~pre7#1, ~main$tmp_guard0~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] and [219] L731-->P0EXIT: Formula: (and (= (+ v_~__unbuffered_cnt~0_44 1) v_~__unbuffered_cnt~0_43) (= |v_P0Thread1of1ForFork1_#res.offset_7| 0) (= |v_P0Thread1of1ForFork1_#res.base_7| 0)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_44} OutVars{P0Thread1of1ForFork1_#res.offset=|v_P0Thread1of1ForFork1_#res.offset_7|, P0Thread1of1ForFork1_#res.base=|v_P0Thread1of1ForFork1_#res.base_7|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_43} AuxVars[] AssignedVars[P0Thread1of1ForFork1_#res.offset, P0Thread1of1ForFork1_#res.base, ~__unbuffered_cnt~0] [2022-12-06 06:45:54,777 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [247] L789-3-->L2: Formula: (and (= (mod v_~main$tmp_guard0~0_38 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_39|) (= v_~main$tmp_guard0~0_38 (ite (= (ite (= v_~__unbuffered_cnt~0_113 3) 1 0) 0) 0 1))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_113} OutVars{ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_39|, ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_15|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_113, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_21|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_38, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_39|} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_main_#t~nondet8#1, ULTIMATE.start_main_#t~pre7#1, ~main$tmp_guard0~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] and [232] L765-->P2EXIT: Formula: (and (= (+ v_~__unbuffered_cnt~0_78 1) v_~__unbuffered_cnt~0_77) (= |v_P2Thread1of1ForFork0_#res.base_11| 0) (= |v_P2Thread1of1ForFork0_#res.offset_11| 0)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_78} OutVars{P2Thread1of1ForFork0_#res.base=|v_P2Thread1of1ForFork0_#res.base_11|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_77, P2Thread1of1ForFork0_#res.offset=|v_P2Thread1of1ForFork0_#res.offset_11|} AuxVars[] AssignedVars[P2Thread1of1ForFork0_#res.base, ~__unbuffered_cnt~0, P2Thread1of1ForFork0_#res.offset] [2022-12-06 06:45:54,809 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-06 06:45:54,811 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 125 [2022-12-06 06:45:54,811 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 27 transitions, 139 flow [2022-12-06 06:45:54,811 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:45:54,811 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:45:54,811 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 06:45:54,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-06 06:45:54,811 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)] === [2022-12-06 06:45:54,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:45:54,812 INFO L85 PathProgramCache]: Analyzing trace with hash -119718444, now seen corresponding path program 1 times [2022-12-06 06:45:54,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:45:54,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281017877] [2022-12-06 06:45:54,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:45:54,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:45:54,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:45:54,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:45:54,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:45:54,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281017877] [2022-12-06 06:45:54,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281017877] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:45:54,930 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:45:54,930 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 06:45:54,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561439927] [2022-12-06 06:45:54,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:45:54,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-06 06:45:54,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:45:54,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-06 06:45:54,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-06 06:45:54,932 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 20 [2022-12-06 06:45:54,932 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 27 transitions, 139 flow. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 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) [2022-12-06 06:45:54,932 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:45:54,934 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 20 [2022-12-06 06:45:54,935 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:45:55,031 INFO L130 PetriNetUnfolder]: 221/483 cut-off events. [2022-12-06 06:45:55,031 INFO L131 PetriNetUnfolder]: For 747/830 co-relation queries the response was YES. [2022-12-06 06:45:55,033 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1632 conditions, 483 events. 221/483 cut-off events. For 747/830 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 2706 event pairs, 28 based on Foata normal form. 44/511 useless extension candidates. Maximal degree in co-relation 1616. Up to 222 conditions per place. [2022-12-06 06:45:55,034 INFO L137 encePairwiseOnDemand]: 11/20 looper letters, 28 selfloop transitions, 13 changer transitions 12/59 dead transitions. [2022-12-06 06:45:55,034 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 59 transitions, 371 flow [2022-12-06 06:45:55,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-06 06:45:55,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-06 06:45:55,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 68 transitions. [2022-12-06 06:45:55,037 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5666666666666667 [2022-12-06 06:45:55,037 INFO L175 Difference]: Start difference. First operand has 33 places, 27 transitions, 139 flow. Second operand 6 states and 68 transitions. [2022-12-06 06:45:55,037 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 59 transitions, 371 flow [2022-12-06 06:45:55,039 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 59 transitions, 365 flow, removed 3 selfloop flow, removed 0 redundant places. [2022-12-06 06:45:55,040 INFO L231 Difference]: Finished difference. Result has 41 places, 33 transitions, 220 flow [2022-12-06 06:45:55,041 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=20, PETRI_DIFFERENCE_MINUEND_FLOW=133, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=220, PETRI_PLACES=41, PETRI_TRANSITIONS=33} [2022-12-06 06:45:55,042 INFO L294 CegarLoopForPetriNet]: 27 programPoint places, 14 predicate places. [2022-12-06 06:45:55,042 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:45:55,042 INFO L89 Accepts]: Start accepts. Operand has 41 places, 33 transitions, 220 flow [2022-12-06 06:45:55,043 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:45:55,044 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:45:55,044 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 33 transitions, 220 flow [2022-12-06 06:45:55,044 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 41 places, 33 transitions, 220 flow [2022-12-06 06:45:55,058 INFO L130 PetriNetUnfolder]: 52/192 cut-off events. [2022-12-06 06:45:55,059 INFO L131 PetriNetUnfolder]: For 566/609 co-relation queries the response was YES. [2022-12-06 06:45:55,060 INFO L83 FinitePrefix]: Finished finitePrefix Result has 740 conditions, 192 events. 52/192 cut-off events. For 566/609 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1155 event pairs, 10 based on Foata normal form. 8/193 useless extension candidates. Maximal degree in co-relation 722. Up to 115 conditions per place. [2022-12-06 06:45:55,061 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 33 transitions, 220 flow [2022-12-06 06:45:55,061 INFO L188 LiptonReduction]: Number of co-enabled transitions 254 [2022-12-06 06:45:55,094 INFO L203 LiptonReduction]: Total number of compositions: 2 [2022-12-06 06:45:55,095 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 53 [2022-12-06 06:45:55,095 INFO L495 AbstractCegarLoop]: Abstraction has has 41 places, 29 transitions, 180 flow [2022-12-06 06:45:55,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 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) [2022-12-06 06:45:55,095 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:45:55,096 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 06:45:55,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-06 06:45:55,096 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)] === [2022-12-06 06:45:55,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:45:55,096 INFO L85 PathProgramCache]: Analyzing trace with hash 863972875, now seen corresponding path program 1 times [2022-12-06 06:45:55,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:45:55,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7707629] [2022-12-06 06:45:55,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:45:55,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:45:55,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:45:55,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:45:55,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:45:55,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7707629] [2022-12-06 06:45:55,178 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7707629] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:45:55,178 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:45:55,179 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-06 06:45:55,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525130657] [2022-12-06 06:45:55,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:45:55,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-06 06:45:55,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:45:55,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-06 06:45:55,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-12-06 06:45:55,180 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 18 [2022-12-06 06:45:55,180 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 29 transitions, 180 flow. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:45:55,180 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:45:55,180 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 18 [2022-12-06 06:45:55,180 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:45:55,266 INFO L130 PetriNetUnfolder]: 139/307 cut-off events. [2022-12-06 06:45:55,266 INFO L131 PetriNetUnfolder]: For 758/791 co-relation queries the response was YES. [2022-12-06 06:45:55,268 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1174 conditions, 307 events. 139/307 cut-off events. For 758/791 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1443 event pairs, 24 based on Foata normal form. 28/323 useless extension candidates. Maximal degree in co-relation 1153. Up to 117 conditions per place. [2022-12-06 06:45:55,269 INFO L137 encePairwiseOnDemand]: 11/18 looper letters, 23 selfloop transitions, 13 changer transitions 12/54 dead transitions. [2022-12-06 06:45:55,269 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 54 transitions, 378 flow [2022-12-06 06:45:55,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-06 06:45:55,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-12-06 06:45:55,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 69 transitions. [2022-12-06 06:45:55,270 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.4791666666666667 [2022-12-06 06:45:55,270 INFO L175 Difference]: Start difference. First operand has 41 places, 29 transitions, 180 flow. Second operand 8 states and 69 transitions. [2022-12-06 06:45:55,270 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 54 transitions, 378 flow [2022-12-06 06:45:55,273 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 54 transitions, 356 flow, removed 8 selfloop flow, removed 2 redundant places. [2022-12-06 06:45:55,273 INFO L231 Difference]: Finished difference. Result has 49 places, 30 transitions, 205 flow [2022-12-06 06:45:55,273 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=18, PETRI_DIFFERENCE_MINUEND_FLOW=158, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=205, PETRI_PLACES=49, PETRI_TRANSITIONS=30} [2022-12-06 06:45:55,274 INFO L294 CegarLoopForPetriNet]: 27 programPoint places, 22 predicate places. [2022-12-06 06:45:55,274 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:45:55,274 INFO L89 Accepts]: Start accepts. Operand has 49 places, 30 transitions, 205 flow [2022-12-06 06:45:55,275 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:45:55,275 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:45:55,275 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 49 places, 30 transitions, 205 flow [2022-12-06 06:45:55,276 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 48 places, 30 transitions, 205 flow [2022-12-06 06:45:55,283 INFO L130 PetriNetUnfolder]: 36/122 cut-off events. [2022-12-06 06:45:55,284 INFO L131 PetriNetUnfolder]: For 254/261 co-relation queries the response was YES. [2022-12-06 06:45:55,284 INFO L83 FinitePrefix]: Finished finitePrefix Result has 459 conditions, 122 events. 36/122 cut-off events. For 254/261 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 558 event pairs, 6 based on Foata normal form. 3/121 useless extension candidates. Maximal degree in co-relation 438. Up to 40 conditions per place. [2022-12-06 06:45:55,285 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 48 places, 30 transitions, 205 flow [2022-12-06 06:45:55,285 INFO L188 LiptonReduction]: Number of co-enabled transitions 186 [2022-12-06 06:45:55,394 INFO L203 LiptonReduction]: Total number of compositions: 2 [2022-12-06 06:45:55,395 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 121 [2022-12-06 06:45:55,395 INFO L495 AbstractCegarLoop]: Abstraction has has 46 places, 27 transitions, 181 flow [2022-12-06 06:45:55,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:45:55,395 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:45:55,395 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 06:45:55,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-06 06:45:55,395 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)] === [2022-12-06 06:45:55,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:45:55,396 INFO L85 PathProgramCache]: Analyzing trace with hash -765059141, now seen corresponding path program 1 times [2022-12-06 06:45:55,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:45:55,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156027595] [2022-12-06 06:45:55,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:45:55,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:45:55,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:45:55,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:45:55,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:45:55,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156027595] [2022-12-06 06:45:55,482 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156027595] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:45:55,482 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:45:55,482 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-06 06:45:55,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531835139] [2022-12-06 06:45:55,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:45:55,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-06 06:45:55,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:45:55,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-06 06:45:55,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-06 06:45:55,483 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 17 [2022-12-06 06:45:55,483 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 27 transitions, 181 flow. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:45:55,483 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:45:55,483 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 17 [2022-12-06 06:45:55,483 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:45:55,578 INFO L130 PetriNetUnfolder]: 299/579 cut-off events. [2022-12-06 06:45:55,578 INFO L131 PetriNetUnfolder]: For 1099/1099 co-relation queries the response was YES. [2022-12-06 06:45:55,580 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2447 conditions, 579 events. 299/579 cut-off events. For 1099/1099 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 2903 event pairs, 41 based on Foata normal form. 3/550 useless extension candidates. Maximal degree in co-relation 2423. Up to 174 conditions per place. [2022-12-06 06:45:55,581 INFO L137 encePairwiseOnDemand]: 9/17 looper letters, 29 selfloop transitions, 7 changer transitions 46/82 dead transitions. [2022-12-06 06:45:55,581 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 82 transitions, 750 flow [2022-12-06 06:45:55,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-06 06:45:55,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-06 06:45:55,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 52 transitions. [2022-12-06 06:45:55,583 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5098039215686274 [2022-12-06 06:45:55,583 INFO L175 Difference]: Start difference. First operand has 46 places, 27 transitions, 181 flow. Second operand 6 states and 52 transitions. [2022-12-06 06:45:55,583 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 82 transitions, 750 flow [2022-12-06 06:45:55,588 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 82 transitions, 556 flow, removed 50 selfloop flow, removed 10 redundant places. [2022-12-06 06:45:55,589 INFO L231 Difference]: Finished difference. Result has 40 places, 25 transitions, 144 flow [2022-12-06 06:45:55,589 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=17, PETRI_DIFFERENCE_MINUEND_FLOW=123, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=144, PETRI_PLACES=40, PETRI_TRANSITIONS=25} [2022-12-06 06:45:55,590 INFO L294 CegarLoopForPetriNet]: 27 programPoint places, 13 predicate places. [2022-12-06 06:45:55,590 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:45:55,590 INFO L89 Accepts]: Start accepts. Operand has 40 places, 25 transitions, 144 flow [2022-12-06 06:45:55,590 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:45:55,590 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:45:55,591 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 25 transitions, 144 flow [2022-12-06 06:45:55,591 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 38 places, 25 transitions, 144 flow [2022-12-06 06:45:55,596 INFO L130 PetriNetUnfolder]: 23/75 cut-off events. [2022-12-06 06:45:55,596 INFO L131 PetriNetUnfolder]: For 101/104 co-relation queries the response was YES. [2022-12-06 06:45:55,596 INFO L83 FinitePrefix]: Finished finitePrefix Result has 242 conditions, 75 events. 23/75 cut-off events. For 101/104 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 282 event pairs, 2 based on Foata normal form. 2/72 useless extension candidates. Maximal degree in co-relation 225. Up to 22 conditions per place. [2022-12-06 06:45:55,597 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 38 places, 25 transitions, 144 flow [2022-12-06 06:45:55,597 INFO L188 LiptonReduction]: Number of co-enabled transitions 90 [2022-12-06 06:45:55,599 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 06:45:55,599 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 9 [2022-12-06 06:45:55,599 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 25 transitions, 144 flow [2022-12-06 06:45:55,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:45:55,600 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:45:55,600 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 06:45:55,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-06 06:45:55,600 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-06 06:45:55,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:45:55,600 INFO L85 PathProgramCache]: Analyzing trace with hash -580718881, now seen corresponding path program 2 times [2022-12-06 06:45:55,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:45:55,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838389361] [2022-12-06 06:45:55,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:45:55,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:45:55,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:45:55,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:45:55,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:45:55,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838389361] [2022-12-06 06:45:55,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838389361] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:45:55,680 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:45:55,680 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 06:45:55,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303565896] [2022-12-06 06:45:55,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:45:55,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 06:45:55,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:45:55,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 06:45:55,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-06 06:45:55,681 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 17 [2022-12-06 06:45:55,681 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 25 transitions, 144 flow. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:45:55,681 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:45:55,681 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 17 [2022-12-06 06:45:55,681 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:45:55,733 INFO L130 PetriNetUnfolder]: 99/198 cut-off events. [2022-12-06 06:45:55,733 INFO L131 PetriNetUnfolder]: For 270/270 co-relation queries the response was YES. [2022-12-06 06:45:55,734 INFO L83 FinitePrefix]: Finished finitePrefix Result has 784 conditions, 198 events. 99/198 cut-off events. For 270/270 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 791 event pairs, 7 based on Foata normal form. 1/187 useless extension candidates. Maximal degree in co-relation 773. Up to 138 conditions per place. [2022-12-06 06:45:55,734 INFO L137 encePairwiseOnDemand]: 9/17 looper letters, 0 selfloop transitions, 0 changer transitions 49/49 dead transitions. [2022-12-06 06:45:55,734 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 49 transitions, 368 flow [2022-12-06 06:45:55,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-06 06:45:55,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-06 06:45:55,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 35 transitions. [2022-12-06 06:45:55,735 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.4117647058823529 [2022-12-06 06:45:55,735 INFO L175 Difference]: Start difference. First operand has 38 places, 25 transitions, 144 flow. Second operand 5 states and 35 transitions. [2022-12-06 06:45:55,735 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 49 transitions, 368 flow [2022-12-06 06:45:55,736 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 49 transitions, 301 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-12-06 06:45:55,737 INFO L231 Difference]: Finished difference. Result has 35 places, 0 transitions, 0 flow [2022-12-06 06:45:55,737 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=17, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=35, PETRI_TRANSITIONS=0} [2022-12-06 06:45:55,737 INFO L294 CegarLoopForPetriNet]: 27 programPoint places, 8 predicate places. [2022-12-06 06:45:55,737 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:45:55,737 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 35 places, 0 transitions, 0 flow [2022-12-06 06:45:55,738 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2022-12-06 06:45:55,738 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-06 06:45:55,738 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 06:45:55,738 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. [2022-12-06 06:45:55,738 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 0 places, 0 transitions, 0 flow [2022-12-06 06:45:55,738 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 06:45:55,738 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 06:45:55,739 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 2 [2022-12-06 06:45:55,739 INFO L495 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2022-12-06 06:45:55,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:45:55,741 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-12-06 06:45:55,741 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2022-12-06 06:45:55,741 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2022-12-06 06:45:55,741 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2022-12-06 06:45:55,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-06 06:45:55,742 INFO L458 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1] [2022-12-06 06:45:55,744 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-06 06:45:55,744 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-06 06:45:55,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 06:45:55 BasicIcfg [2022-12-06 06:45:55,746 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-06 06:45:55,746 INFO L158 Benchmark]: Toolchain (without parser) took 5235.61ms. Allocated memory was 198.2MB in the beginning and 289.4MB in the end (delta: 91.2MB). Free memory was 173.3MB in the beginning and 143.2MB in the end (delta: 30.1MB). Peak memory consumption was 122.2MB. Max. memory is 8.0GB. [2022-12-06 06:45:55,746 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 198.2MB. Free memory is still 174.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 06:45:55,746 INFO L158 Benchmark]: CACSL2BoogieTranslator took 400.05ms. Allocated memory is still 198.2MB. Free memory was 173.1MB in the beginning and 149.0MB in the end (delta: 24.1MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. [2022-12-06 06:45:55,746 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.92ms. Allocated memory is still 198.2MB. Free memory was 149.0MB in the beginning and 147.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 06:45:55,747 INFO L158 Benchmark]: Boogie Preprocessor took 21.71ms. Allocated memory is still 198.2MB. Free memory was 147.4MB in the beginning and 145.8MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-06 06:45:55,747 INFO L158 Benchmark]: RCFGBuilder took 313.13ms. Allocated memory is still 198.2MB. Free memory was 145.8MB in the beginning and 131.7MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-12-06 06:45:55,747 INFO L158 Benchmark]: TraceAbstraction took 4455.06ms. Allocated memory was 198.2MB in the beginning and 289.4MB in the end (delta: 91.2MB). Free memory was 131.2MB in the beginning and 143.2MB in the end (delta: -12.1MB). Peak memory consumption was 80.2MB. Max. memory is 8.0GB. [2022-12-06 06:45:55,748 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 198.2MB. Free memory is still 174.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 400.05ms. Allocated memory is still 198.2MB. Free memory was 173.1MB in the beginning and 149.0MB in the end (delta: 24.1MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 30.92ms. Allocated memory is still 198.2MB. Free memory was 149.0MB in the beginning and 147.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 21.71ms. Allocated memory is still 198.2MB. Free memory was 147.4MB in the beginning and 145.8MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 313.13ms. Allocated memory is still 198.2MB. Free memory was 145.8MB in the beginning and 131.7MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 4455.06ms. Allocated memory was 198.2MB in the beginning and 289.4MB in the end (delta: 91.2MB). Free memory was 131.2MB in the beginning and 143.2MB in the end (delta: -12.1MB). Peak memory consumption was 80.2MB. 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, 27 PlacesAfterwards, 70 TransitionsBefore, 18 TransitionsAfterwards, 1044 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 20 TrivialYvCompositions, 32 ConcurrentYvCompositions, 0 ChoiceCompositions, 53 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 781, independent: 741, independent conditional: 741, independent unconditional: 0, dependent: 40, dependent conditional: 40, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 781, independent: 741, independent conditional: 0, independent unconditional: 741, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 781, independent: 741, independent conditional: 0, independent unconditional: 741, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 781, independent: 741, independent conditional: 0, independent unconditional: 741, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 682, independent: 655, independent conditional: 0, independent unconditional: 655, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 682, independent: 648, independent conditional: 0, independent unconditional: 648, dependent: 34, dependent conditional: 0, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 34, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 76, independent: 11, independent conditional: 0, independent unconditional: 11, dependent: 65, dependent conditional: 0, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 781, independent: 86, independent conditional: 0, independent unconditional: 86, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 682, unknown conditional: 0, unknown unconditional: 682] , Statistics on independence cache: Total cache size (in pairs): 973, Positive cache size: 946, Positive conditional cache size: 0, Positive unconditional cache size: 946, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, 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, 28 PlacesBefore, 28 PlacesAfterwards, 21 TransitionsBefore, 21 TransitionsAfterwards, 138 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9, independent: 6, independent conditional: 6, 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: 9, independent: 6, independent conditional: 4, independent unconditional: 2, 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: 9, independent: 6, independent conditional: 0, independent unconditional: 6, 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: 9, independent: 6, independent conditional: 0, independent unconditional: 6, 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: 6, independent: 4, independent conditional: 0, independent unconditional: 4, 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: 6, independent: 4, independent conditional: 0, independent unconditional: 4, 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: 3, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 9, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , Statistics on independence cache: Total cache size (in pairs): 6, Positive cache size: 4, Positive conditional cache size: 0, Positive unconditional cache size: 4, 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, 29 PlacesBefore, 29 PlacesAfterwards, 21 TransitionsBefore, 21 TransitionsAfterwards, 138 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 39, independent: 32, independent conditional: 32, independent unconditional: 0, dependent: 7, dependent conditional: 7, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 39, independent: 32, independent conditional: 0, independent unconditional: 32, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 39, independent: 32, independent conditional: 0, independent unconditional: 32, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 39, independent: 32, independent conditional: 0, independent unconditional: 32, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 19, independent: 17, independent conditional: 0, independent unconditional: 17, 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: 19, independent: 15, independent conditional: 0, independent unconditional: 15, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 10, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 39, independent: 15, independent conditional: 0, independent unconditional: 15, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 19, unknown conditional: 0, unknown unconditional: 19] , Statistics on independence cache: Total cache size (in pairs): 25, Positive cache size: 21, Positive conditional cache size: 0, Positive unconditional cache size: 21, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, 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: 0.1s, 34 PlacesBefore, 33 PlacesAfterwards, 28 TransitionsBefore, 27 TransitionsAfterwards, 236 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 38, independent: 34, independent conditional: 34, 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: 38, independent: 34, independent conditional: 30, independent unconditional: 4, 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: 38, independent: 34, independent conditional: 30, independent unconditional: 4, 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: 38, independent: 34, independent conditional: 30, independent unconditional: 4, 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: 3, independent: 3, independent conditional: 3, 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: 3, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 38, independent: 31, independent conditional: 27, independent unconditional: 4, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 28, Positive cache size: 24, Positive conditional cache size: 3, Positive unconditional cache size: 21, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, 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, 41 PlacesBefore, 41 PlacesAfterwards, 33 TransitionsBefore, 29 TransitionsAfterwards, 254 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 48, independent: 42, independent conditional: 42, independent unconditional: 0, dependent: 6, dependent conditional: 6, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 48, independent: 42, independent conditional: 30, independent unconditional: 12, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 48, independent: 42, independent conditional: 30, independent unconditional: 12, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 48, independent: 42, independent conditional: 30, independent unconditional: 12, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 16, independent: 16, independent conditional: 15, independent unconditional: 1, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 16, independent: 16, independent conditional: 0, independent unconditional: 16, 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: 48, independent: 26, independent conditional: 15, independent unconditional: 11, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 16, unknown conditional: 15, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 44, Positive cache size: 40, Positive conditional cache size: 18, Positive unconditional cache size: 22, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, 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, 48 PlacesBefore, 46 PlacesAfterwards, 30 TransitionsBefore, 27 TransitionsAfterwards, 186 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 55, independent: 51, independent conditional: 51, 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: 55, independent: 51, independent conditional: 26, independent unconditional: 25, 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: 55, independent: 51, independent conditional: 26, independent unconditional: 25, 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: 55, independent: 51, independent conditional: 26, independent unconditional: 25, 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: 15, independent: 15, independent conditional: 7, independent unconditional: 8, 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: 15, independent: 15, independent conditional: 0, independent unconditional: 15, 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: 55, independent: 36, independent conditional: 19, independent unconditional: 17, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 15, unknown conditional: 7, unknown unconditional: 8] , Statistics on independence cache: Total cache size (in pairs): 65, Positive cache size: 61, Positive conditional cache size: 28, Positive unconditional cache size: 33, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, 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, 38 PlacesBefore, 38 PlacesAfterwards, 25 TransitionsBefore, 25 TransitionsAfterwards, 90 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12, independent: 10, independent conditional: 10, independent unconditional: 0, dependent: 2, dependent conditional: 2, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 12, independent: 10, independent conditional: 8, independent unconditional: 2, dependent: 2, dependent conditional: 2, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 12, independent: 10, independent conditional: 6, independent unconditional: 4, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 12, independent: 10, independent conditional: 6, independent unconditional: 4, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 12, independent: 9, independent conditional: 6, independent unconditional: 3, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 67, Positive cache size: 62, Positive conditional cache size: 28, Positive unconditional cache size: 34, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4, 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): 67, Positive cache size: 62, Positive conditional cache size: 28, Positive unconditional cache size: 34, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 108 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.4s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 133 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 133 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 39 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 383 IncrementalHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 39 mSolverCounterUnsat, 7 mSDtfsCounter, 383 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=220occurred in iteration=4, InterpolantAutomatonStates: 36, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 77 ConstructedInterpolants, 0 QuantifiedInterpolants, 441 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-06 06:45:55,765 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...