/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-SemanticLbe.epf --traceabstraction.use.on-demand.petri.net.difference true --traceabstraction.size.reduction.to.apply.after.petri.net.difference REMOVE_DEAD -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/rfi000_tso.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-a802222-m [2022-12-12 21:40:02,733 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-12 21:40:02,736 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-12 21:40:02,782 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-12 21:40:02,785 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-12 21:40:02,788 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-12 21:40:02,791 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-12 21:40:02,795 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-12 21:40:02,800 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-12 21:40:02,805 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-12 21:40:02,806 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-12 21:40:02,808 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-12 21:40:02,808 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-12 21:40:02,811 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-12 21:40:02,812 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-12 21:40:02,815 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-12 21:40:02,816 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-12 21:40:02,816 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-12 21:40:02,819 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-12 21:40:02,824 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-12 21:40:02,825 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-12 21:40:02,826 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-12 21:40:02,827 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-12 21:40:02,828 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-12 21:40:02,835 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-12 21:40:02,836 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-12 21:40:02,836 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-12 21:40:02,838 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-12 21:40:02,838 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-12 21:40:02,839 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-12 21:40:02,839 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-12 21:40:02,846 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-12 21:40:02,848 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-12 21:40:02,848 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-12 21:40:02,849 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-12 21:40:02,849 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-12 21:40:02,850 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-12 21:40:02,850 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-12 21:40:02,850 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-12 21:40:02,851 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-12 21:40:02,852 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-12 21:40:02,853 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-SemanticLbe.epf [2022-12-12 21:40:02,883 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-12 21:40:02,884 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-12 21:40:02,885 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-12 21:40:02,885 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-12 21:40:02,886 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-12 21:40:02,887 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-12 21:40:02,887 INFO L138 SettingsManager]: * Use SBE=true [2022-12-12 21:40:02,888 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-12 21:40:02,888 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-12 21:40:02,888 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-12 21:40:02,889 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-12 21:40:02,889 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-12 21:40:02,889 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-12 21:40:02,889 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-12 21:40:02,889 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-12 21:40:02,889 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-12 21:40:02,890 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-12 21:40:02,890 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-12 21:40:02,890 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-12 21:40:02,890 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-12 21:40:02,890 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-12 21:40:02,890 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-12 21:40:02,891 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-12 21:40:02,891 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-12 21:40:02,891 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-12 21:40:02,891 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-12 21:40:02,891 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-12 21:40:02,892 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-12 21:40:02,892 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-12 21:40:02,892 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-12 21:40:02,892 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Size reduction to apply after Petri net difference -> REMOVE_DEAD [2022-12-12 21:40:03,275 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-12 21:40:03,299 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-12 21:40:03,301 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-12 21:40:03,303 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-12 21:40:03,303 INFO L275 PluginConnector]: CDTParser initialized [2022-12-12 21:40:03,304 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi000_tso.i [2022-12-12 21:40:04,457 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-12 21:40:04,721 INFO L351 CDTParser]: Found 1 translation units. [2022-12-12 21:40:04,721 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi000_tso.i [2022-12-12 21:40:04,739 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be6008935/72ea2d8102ee4cdfb5d58751b5079dd0/FLAG248142576 [2022-12-12 21:40:04,751 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be6008935/72ea2d8102ee4cdfb5d58751b5079dd0 [2022-12-12 21:40:04,753 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-12 21:40:04,754 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-12 21:40:04,755 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-12 21:40:04,756 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-12 21:40:04,757 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-12 21:40:04,758 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.12 09:40:04" (1/1) ... [2022-12-12 21:40:04,759 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e8b51af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 09:40:04, skipping insertion in model container [2022-12-12 21:40:04,759 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.12 09:40:04" (1/1) ... [2022-12-12 21:40:04,764 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-12 21:40:04,813 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-12 21:40:04,933 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/rfi000_tso.i[944,957] [2022-12-12 21:40:05,109 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:40:05,110 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:40:05,111 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:40:05,111 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:40:05,112 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:40:05,118 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:40:05,119 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:40:05,119 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:40:05,121 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:40:05,121 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:40:05,121 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:40:05,123 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:40:05,123 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:40:05,147 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:40:05,148 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:40:05,158 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:40:05,159 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:40:05,161 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:40:05,161 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:40:05,161 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:40:05,170 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:40:05,170 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:40:05,170 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:40:05,181 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:40:05,181 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:40:05,190 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:40:05,191 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-12 21:40:05,200 INFO L203 MainTranslator]: Completed pre-run [2022-12-12 21:40:05,210 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/rfi000_tso.i[944,957] [2022-12-12 21:40:05,245 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:40:05,245 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:40:05,245 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:40:05,246 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:40:05,246 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:40:05,247 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:40:05,247 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:40:05,248 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:40:05,248 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:40:05,248 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:40:05,249 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:40:05,249 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:40:05,250 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:40:05,254 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:40:05,254 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:40:05,266 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:40:05,266 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:40:05,267 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:40:05,267 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:40:05,268 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:40:05,271 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:40:05,271 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:40:05,271 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:40:05,272 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:40:05,273 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:40:05,276 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:40:05,277 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-12 21:40:05,312 INFO L208 MainTranslator]: Completed translation [2022-12-12 21:40:05,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 09:40:05 WrapperNode [2022-12-12 21:40:05,313 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-12 21:40:05,314 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-12 21:40:05,314 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-12 21:40:05,314 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-12 21:40:05,320 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 09:40:05" (1/1) ... [2022-12-12 21:40:05,336 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 09:40:05" (1/1) ... [2022-12-12 21:40:05,364 INFO L138 Inliner]: procedures = 175, calls = 45, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 164 [2022-12-12 21:40:05,365 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-12 21:40:05,365 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-12 21:40:05,365 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-12 21:40:05,366 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-12 21:40:05,373 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 09:40:05" (1/1) ... [2022-12-12 21:40:05,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 09:40:05" (1/1) ... [2022-12-12 21:40:05,377 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 09:40:05" (1/1) ... [2022-12-12 21:40:05,377 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 09:40:05" (1/1) ... [2022-12-12 21:40:05,385 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 09:40:05" (1/1) ... [2022-12-12 21:40:05,386 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 09:40:05" (1/1) ... [2022-12-12 21:40:05,388 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 09:40:05" (1/1) ... [2022-12-12 21:40:05,390 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 09:40:05" (1/1) ... [2022-12-12 21:40:05,393 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-12 21:40:05,394 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-12 21:40:05,394 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-12 21:40:05,394 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-12 21:40:05,395 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 09:40:05" (1/1) ... [2022-12-12 21:40:05,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-12 21:40:05,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-12 21:40:05,446 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) [2022-12-12 21:40:05,471 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 [2022-12-12 21:40:05,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-12 21:40:05,489 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-12 21:40:05,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-12 21:40:05,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-12 21:40:05,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-12 21:40:05,491 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-12 21:40:05,492 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-12 21:40:05,492 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-12 21:40:05,492 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-12 21:40:05,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-12 21:40:05,492 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-12 21:40:05,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-12 21:40:05,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-12 21:40:05,495 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-12 21:40:05,639 INFO L236 CfgBuilder]: Building ICFG [2022-12-12 21:40:05,640 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-12 21:40:06,050 INFO L277 CfgBuilder]: Performing block encoding [2022-12-12 21:40:06,230 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-12 21:40:06,230 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-12 21:40:06,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.12 09:40:06 BoogieIcfgContainer [2022-12-12 21:40:06,232 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-12 21:40:06,235 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-12 21:40:06,235 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-12 21:40:06,238 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-12 21:40:06,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.12 09:40:04" (1/3) ... [2022-12-12 21:40:06,239 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13dba0f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.12 09:40:06, skipping insertion in model container [2022-12-12 21:40:06,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 09:40:05" (2/3) ... [2022-12-12 21:40:06,240 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13dba0f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.12 09:40:06, skipping insertion in model container [2022-12-12 21:40:06,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.12 09:40:06" (3/3) ... [2022-12-12 21:40:06,241 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi000_tso.i [2022-12-12 21:40:06,259 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-12 21:40:06,259 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-12 21:40:06,259 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-12 21:40:06,311 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-12 21:40:06,350 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 95 places, 90 transitions, 190 flow [2022-12-12 21:40:06,403 INFO L130 PetriNetUnfolder]: 2/88 cut-off events. [2022-12-12 21:40:06,403 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-12 21:40:06,408 INFO L83 FinitePrefix]: Finished finitePrefix Result has 95 conditions, 88 events. 2/88 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 49 event pairs, 0 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 53. Up to 2 conditions per place. [2022-12-12 21:40:06,408 INFO L82 GeneralOperation]: Start removeDead. Operand has 95 places, 90 transitions, 190 flow [2022-12-12 21:40:06,412 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 93 places, 88 transitions, 182 flow [2022-12-12 21:40:06,414 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-12 21:40:06,437 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 93 places, 88 transitions, 182 flow [2022-12-12 21:40:06,444 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 93 places, 88 transitions, 182 flow [2022-12-12 21:40:06,477 INFO L130 PetriNetUnfolder]: 2/88 cut-off events. [2022-12-12 21:40:06,477 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-12 21:40:06,477 INFO L83 FinitePrefix]: Finished finitePrefix Result has 95 conditions, 88 events. 2/88 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 49 event pairs, 0 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 53. Up to 2 conditions per place. [2022-12-12 21:40:06,481 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 93 places, 88 transitions, 182 flow [2022-12-12 21:40:06,481 INFO L226 LiptonReduction]: Number of co-enabled transitions 1156 [2022-12-12 21:40:13,732 INFO L241 LiptonReduction]: Total number of compositions: 71 [2022-12-12 21:40:13,746 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-12 21:40:13,752 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4820d0e5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-12 21:40:13,752 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-12-12 21:40:13,756 INFO L130 PetriNetUnfolder]: 0/20 cut-off events. [2022-12-12 21:40:13,756 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-12 21:40:13,757 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 21:40:13,757 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-12 21:40:13,758 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-12 21:40:13,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 21:40:13,762 INFO L85 PathProgramCache]: Analyzing trace with hash 1458424011, now seen corresponding path program 1 times [2022-12-12 21:40:13,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 21:40:13,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347567848] [2022-12-12 21:40:13,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 21:40:13,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 21:40:13,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 21:40:14,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 21:40:14,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 21:40:14,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347567848] [2022-12-12 21:40:14,182 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347567848] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 21:40:14,182 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 21:40:14,182 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-12 21:40:14,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38695487] [2022-12-12 21:40:14,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 21:40:14,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-12 21:40:14,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 21:40:14,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-12 21:40:14,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-12 21:40:14,218 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 46 [2022-12-12 21:40:14,220 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 46 transitions, 98 flow. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2022-12-12 21:40:14,221 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 21:40:14,221 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 46 [2022-12-12 21:40:14,221 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 21:40:14,823 INFO L130 PetriNetUnfolder]: 1577/2679 cut-off events. [2022-12-12 21:40:14,823 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-12-12 21:40:14,830 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5243 conditions, 2679 events. 1577/2679 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 192. Compared 16085 event pairs, 311 based on Foata normal form. 0/1564 useless extension candidates. Maximal degree in co-relation 5233. Up to 1987 conditions per place. [2022-12-12 21:40:14,838 INFO L137 encePairwiseOnDemand]: 42/46 looper letters, 23 selfloop transitions, 2 changer transitions 40/71 dead transitions. [2022-12-12 21:40:14,839 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 71 transitions, 278 flow [2022-12-12 21:40:14,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-12 21:40:14,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-12 21:40:14,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 86 transitions. [2022-12-12 21:40:14,851 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.6231884057971014 [2022-12-12 21:40:14,854 INFO L295 CegarLoopForPetriNet]: 53 programPoint places, 0 predicate places. [2022-12-12 21:40:14,855 INFO L82 GeneralOperation]: Start removeDead. Operand has 53 places, 71 transitions, 278 flow [2022-12-12 21:40:14,859 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 33 places, 31 transitions, 118 flow [2022-12-12 21:40:14,861 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 31 transitions, 118 flow [2022-12-12 21:40:14,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2022-12-12 21:40:14,861 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 21:40:14,861 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-12 21:40:14,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-12 21:40:14,862 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-12 21:40:14,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 21:40:14,871 INFO L85 PathProgramCache]: Analyzing trace with hash -2033493015, now seen corresponding path program 1 times [2022-12-12 21:40:14,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 21:40:14,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464156677] [2022-12-12 21:40:14,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 21:40:14,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 21:40:14,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 21:40:15,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 21:40:15,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 21:40:15,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464156677] [2022-12-12 21:40:15,088 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464156677] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 21:40:15,089 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 21:40:15,089 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-12 21:40:15,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695914227] [2022-12-12 21:40:15,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 21:40:15,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-12 21:40:15,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 21:40:15,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-12 21:40:15,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-12 21:40:15,091 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 46 [2022-12-12 21:40:15,091 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 31 transitions, 118 flow. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2022-12-12 21:40:15,092 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 21:40:15,092 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 46 [2022-12-12 21:40:15,092 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 21:40:15,192 INFO L130 PetriNetUnfolder]: 210/392 cut-off events. [2022-12-12 21:40:15,192 INFO L131 PetriNetUnfolder]: For 7/9 co-relation queries the response was YES. [2022-12-12 21:40:15,194 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1141 conditions, 392 events. 210/392 cut-off events. For 7/9 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1574 event pairs, 58 based on Foata normal form. 15/355 useless extension candidates. Maximal degree in co-relation 1128. Up to 288 conditions per place. [2022-12-12 21:40:15,196 INFO L137 encePairwiseOnDemand]: 43/46 looper letters, 28 selfloop transitions, 2 changer transitions 0/36 dead transitions. [2022-12-12 21:40:15,197 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 36 transitions, 198 flow [2022-12-12 21:40:15,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-12 21:40:15,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-12 21:40:15,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 43 transitions. [2022-12-12 21:40:15,201 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.3115942028985507 [2022-12-12 21:40:15,202 INFO L295 CegarLoopForPetriNet]: 53 programPoint places, -18 predicate places. [2022-12-12 21:40:15,202 INFO L82 GeneralOperation]: Start removeDead. Operand has 35 places, 36 transitions, 198 flow [2022-12-12 21:40:15,205 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 35 places, 36 transitions, 198 flow [2022-12-12 21:40:15,205 INFO L495 AbstractCegarLoop]: Abstraction has has 35 places, 36 transitions, 198 flow [2022-12-12 21:40:15,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2022-12-12 21:40:15,205 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 21:40:15,206 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 21:40:15,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-12 21:40:15,207 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-12 21:40:15,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 21:40:15,210 INFO L85 PathProgramCache]: Analyzing trace with hash 752484593, now seen corresponding path program 1 times [2022-12-12 21:40:15,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 21:40:15,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959241345] [2022-12-12 21:40:15,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 21:40:15,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 21:40:15,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 21:40:15,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 21:40:15,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 21:40:15,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959241345] [2022-12-12 21:40:15,434 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959241345] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 21:40:15,434 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 21:40:15,434 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-12 21:40:15,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668748413] [2022-12-12 21:40:15,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 21:40:15,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-12 21:40:15,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 21:40:15,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-12 21:40:15,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-12 21:40:15,436 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 46 [2022-12-12 21:40:15,436 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 36 transitions, 198 flow. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2022-12-12 21:40:15,436 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 21:40:15,436 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 46 [2022-12-12 21:40:15,436 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 21:40:15,526 INFO L130 PetriNetUnfolder]: 201/378 cut-off events. [2022-12-12 21:40:15,526 INFO L131 PetriNetUnfolder]: For 13/17 co-relation queries the response was YES. [2022-12-12 21:40:15,526 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1452 conditions, 378 events. 201/378 cut-off events. For 13/17 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1506 event pairs, 53 based on Foata normal form. 5/332 useless extension candidates. Maximal degree in co-relation 1436. Up to 274 conditions per place. [2022-12-12 21:40:15,529 INFO L137 encePairwiseOnDemand]: 43/46 looper letters, 34 selfloop transitions, 2 changer transitions 0/42 dead transitions. [2022-12-12 21:40:15,529 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 42 transitions, 306 flow [2022-12-12 21:40:15,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-12 21:40:15,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-12 21:40:15,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 43 transitions. [2022-12-12 21:40:15,531 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.3115942028985507 [2022-12-12 21:40:15,532 INFO L295 CegarLoopForPetriNet]: 53 programPoint places, -16 predicate places. [2022-12-12 21:40:15,533 INFO L82 GeneralOperation]: Start removeDead. Operand has 37 places, 42 transitions, 306 flow [2022-12-12 21:40:15,536 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 37 places, 42 transitions, 306 flow [2022-12-12 21:40:15,537 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 42 transitions, 306 flow [2022-12-12 21:40:15,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2022-12-12 21:40:15,537 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 21:40:15,537 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 21:40:15,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-12 21:40:15,537 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-12 21:40:15,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 21:40:15,538 INFO L85 PathProgramCache]: Analyzing trace with hash 1852183254, now seen corresponding path program 1 times [2022-12-12 21:40:15,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 21:40:15,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307571151] [2022-12-12 21:40:15,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 21:40:15,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 21:40:15,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 21:40:16,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 21:40:16,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 21:40:16,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307571151] [2022-12-12 21:40:16,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307571151] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 21:40:16,630 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 21:40:16,630 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-12 21:40:16,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053133249] [2022-12-12 21:40:16,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 21:40:16,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-12 21:40:16,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 21:40:16,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-12 21:40:16,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-12 21:40:16,635 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 46 [2022-12-12 21:40:16,636 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 42 transitions, 306 flow. Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 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) [2022-12-12 21:40:16,637 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 21:40:16,637 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 46 [2022-12-12 21:40:16,637 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 21:40:16,909 INFO L130 PetriNetUnfolder]: 211/405 cut-off events. [2022-12-12 21:40:16,909 INFO L131 PetriNetUnfolder]: For 52/52 co-relation queries the response was YES. [2022-12-12 21:40:16,910 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1908 conditions, 405 events. 211/405 cut-off events. For 52/52 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1656 event pairs, 16 based on Foata normal form. 1/354 useless extension candidates. Maximal degree in co-relation 1889. Up to 332 conditions per place. [2022-12-12 21:40:16,913 INFO L137 encePairwiseOnDemand]: 39/46 looper letters, 47 selfloop transitions, 13 changer transitions 0/66 dead transitions. [2022-12-12 21:40:16,913 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 66 transitions, 621 flow [2022-12-12 21:40:16,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-12 21:40:16,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-12 21:40:16,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 77 transitions. [2022-12-12 21:40:16,916 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.27898550724637683 [2022-12-12 21:40:16,917 INFO L295 CegarLoopForPetriNet]: 53 programPoint places, -11 predicate places. [2022-12-12 21:40:16,917 INFO L82 GeneralOperation]: Start removeDead. Operand has 42 places, 66 transitions, 621 flow [2022-12-12 21:40:16,920 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 42 places, 66 transitions, 621 flow [2022-12-12 21:40:16,921 INFO L495 AbstractCegarLoop]: Abstraction has has 42 places, 66 transitions, 621 flow [2022-12-12 21:40:16,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 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) [2022-12-12 21:40:16,921 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 21:40:16,921 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 21:40:16,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-12 21:40:16,921 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-12 21:40:16,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 21:40:16,922 INFO L85 PathProgramCache]: Analyzing trace with hash -1627282852, now seen corresponding path program 2 times [2022-12-12 21:40:16,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 21:40:16,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565076991] [2022-12-12 21:40:16,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 21:40:16,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 21:40:16,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 21:40:18,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 21:40:18,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 21:40:18,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565076991] [2022-12-12 21:40:18,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565076991] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 21:40:18,006 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 21:40:18,006 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-12 21:40:18,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896334785] [2022-12-12 21:40:18,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 21:40:18,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-12 21:40:18,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 21:40:18,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-12 21:40:18,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-12 21:40:18,007 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 46 [2022-12-12 21:40:18,007 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 66 transitions, 621 flow. Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 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) [2022-12-12 21:40:18,008 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 21:40:18,008 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 46 [2022-12-12 21:40:18,008 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 21:40:18,221 INFO L130 PetriNetUnfolder]: 216/413 cut-off events. [2022-12-12 21:40:18,221 INFO L131 PetriNetUnfolder]: For 64/64 co-relation queries the response was YES. [2022-12-12 21:40:18,222 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2343 conditions, 413 events. 216/413 cut-off events. For 64/64 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1707 event pairs, 24 based on Foata normal form. 5/365 useless extension candidates. Maximal degree in co-relation 2321. Up to 345 conditions per place. [2022-12-12 21:40:18,225 INFO L137 encePairwiseOnDemand]: 38/46 looper letters, 60 selfloop transitions, 22 changer transitions 0/88 dead transitions. [2022-12-12 21:40:18,225 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 88 transitions, 1005 flow [2022-12-12 21:40:18,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-12 21:40:18,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-12 21:40:18,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 88 transitions. [2022-12-12 21:40:18,227 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.2732919254658385 [2022-12-12 21:40:18,228 INFO L295 CegarLoopForPetriNet]: 53 programPoint places, -5 predicate places. [2022-12-12 21:40:18,228 INFO L82 GeneralOperation]: Start removeDead. Operand has 48 places, 88 transitions, 1005 flow [2022-12-12 21:40:18,232 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 48 places, 88 transitions, 1005 flow [2022-12-12 21:40:18,233 INFO L495 AbstractCegarLoop]: Abstraction has has 48 places, 88 transitions, 1005 flow [2022-12-12 21:40:18,233 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 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) [2022-12-12 21:40:18,233 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 21:40:18,233 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 21:40:18,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-12 21:40:18,233 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-12 21:40:18,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 21:40:18,234 INFO L85 PathProgramCache]: Analyzing trace with hash 1808851764, now seen corresponding path program 3 times [2022-12-12 21:40:18,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 21:40:18,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102079294] [2022-12-12 21:40:18,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 21:40:18,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 21:40:18,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 21:40:19,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 21:40:19,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 21:40:19,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102079294] [2022-12-12 21:40:19,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102079294] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 21:40:19,061 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 21:40:19,061 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-12 21:40:19,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303686438] [2022-12-12 21:40:19,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 21:40:19,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-12 21:40:19,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 21:40:19,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-12 21:40:19,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-12-12 21:40:19,065 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 46 [2022-12-12 21:40:19,066 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 88 transitions, 1005 flow. Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 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) [2022-12-12 21:40:19,066 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 21:40:19,066 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 46 [2022-12-12 21:40:19,066 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 21:40:19,296 INFO L130 PetriNetUnfolder]: 216/416 cut-off events. [2022-12-12 21:40:19,296 INFO L131 PetriNetUnfolder]: For 94/94 co-relation queries the response was YES. [2022-12-12 21:40:19,297 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2741 conditions, 416 events. 216/416 cut-off events. For 94/94 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1717 event pairs, 23 based on Foata normal form. 1/363 useless extension candidates. Maximal degree in co-relation 2716. Up to 345 conditions per place. [2022-12-12 21:40:19,300 INFO L137 encePairwiseOnDemand]: 38/46 looper letters, 65 selfloop transitions, 25 changer transitions 0/96 dead transitions. [2022-12-12 21:40:19,300 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 96 transitions, 1281 flow [2022-12-12 21:40:19,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-12 21:40:19,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-12 21:40:19,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 86 transitions. [2022-12-12 21:40:19,302 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.2670807453416149 [2022-12-12 21:40:19,303 INFO L295 CegarLoopForPetriNet]: 53 programPoint places, 1 predicate places. [2022-12-12 21:40:19,303 INFO L82 GeneralOperation]: Start removeDead. Operand has 54 places, 96 transitions, 1281 flow [2022-12-12 21:40:19,307 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 54 places, 96 transitions, 1281 flow [2022-12-12 21:40:19,307 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 96 transitions, 1281 flow [2022-12-12 21:40:19,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 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) [2022-12-12 21:40:19,307 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 21:40:19,307 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 21:40:19,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-12 21:40:19,308 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-12 21:40:19,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 21:40:19,308 INFO L85 PathProgramCache]: Analyzing trace with hash -954308000, now seen corresponding path program 1 times [2022-12-12 21:40:19,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 21:40:19,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600792089] [2022-12-12 21:40:19,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 21:40:19,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 21:40:19,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 21:40:19,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 21:40:19,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 21:40:19,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600792089] [2022-12-12 21:40:19,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600792089] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 21:40:19,435 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 21:40:19,436 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-12 21:40:19,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008886077] [2022-12-12 21:40:19,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 21:40:19,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-12 21:40:19,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 21:40:19,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-12 21:40:19,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-12 21:40:19,437 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 46 [2022-12-12 21:40:19,437 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 96 transitions, 1281 flow. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2022-12-12 21:40:19,437 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 21:40:19,437 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 46 [2022-12-12 21:40:19,437 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 21:40:19,541 INFO L130 PetriNetUnfolder]: 152/319 cut-off events. [2022-12-12 21:40:19,541 INFO L131 PetriNetUnfolder]: For 704/704 co-relation queries the response was YES. [2022-12-12 21:40:19,541 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2317 conditions, 319 events. 152/319 cut-off events. For 704/704 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1314 event pairs, 17 based on Foata normal form. 18/302 useless extension candidates. Maximal degree in co-relation 2289. Up to 274 conditions per place. [2022-12-12 21:40:19,544 INFO L137 encePairwiseOnDemand]: 38/46 looper letters, 51 selfloop transitions, 15 changer transitions 2/70 dead transitions. [2022-12-12 21:40:19,544 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 70 transitions, 1028 flow [2022-12-12 21:40:19,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-12 21:40:19,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-12 21:40:19,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 48 transitions. [2022-12-12 21:40:19,545 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.34782608695652173 [2022-12-12 21:40:19,546 INFO L295 CegarLoopForPetriNet]: 53 programPoint places, 3 predicate places. [2022-12-12 21:40:19,546 INFO L82 GeneralOperation]: Start removeDead. Operand has 56 places, 70 transitions, 1028 flow [2022-12-12 21:40:19,549 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 54 places, 68 transitions, 1024 flow [2022-12-12 21:40:19,549 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 68 transitions, 1024 flow [2022-12-12 21:40:19,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2022-12-12 21:40:19,549 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 21:40:19,549 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 21:40:19,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-12 21:40:19,550 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-12 21:40:19,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 21:40:19,551 INFO L85 PathProgramCache]: Analyzing trace with hash -1417704995, now seen corresponding path program 1 times [2022-12-12 21:40:19,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 21:40:19,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769841757] [2022-12-12 21:40:19,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 21:40:19,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 21:40:19,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 21:40:20,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 21:40:20,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 21:40:20,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769841757] [2022-12-12 21:40:20,612 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769841757] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 21:40:20,612 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 21:40:20,612 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-12 21:40:20,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075861192] [2022-12-12 21:40:20,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 21:40:20,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-12 21:40:20,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 21:40:20,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-12 21:40:20,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-12-12 21:40:20,613 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 46 [2022-12-12 21:40:20,614 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 68 transitions, 1024 flow. Second operand has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 9 states have internal predecessors, (67), 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) [2022-12-12 21:40:20,614 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 21:40:20,614 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 46 [2022-12-12 21:40:20,614 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 21:40:20,865 INFO L130 PetriNetUnfolder]: 217/452 cut-off events. [2022-12-12 21:40:20,865 INFO L131 PetriNetUnfolder]: For 1272/1272 co-relation queries the response was YES. [2022-12-12 21:40:20,866 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3646 conditions, 452 events. 217/452 cut-off events. For 1272/1272 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 2134 event pairs, 35 based on Foata normal form. 18/413 useless extension candidates. Maximal degree in co-relation 3615. Up to 400 conditions per place. [2022-12-12 21:40:20,870 INFO L137 encePairwiseOnDemand]: 37/46 looper letters, 60 selfloop transitions, 17 changer transitions 13/96 dead transitions. [2022-12-12 21:40:20,870 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 96 transitions, 1655 flow [2022-12-12 21:40:20,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-12 21:40:20,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-12-12 21:40:20,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 96 transitions. [2022-12-12 21:40:20,872 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.2608695652173913 [2022-12-12 21:40:20,872 INFO L295 CegarLoopForPetriNet]: 53 programPoint places, 8 predicate places. [2022-12-12 21:40:20,872 INFO L82 GeneralOperation]: Start removeDead. Operand has 61 places, 96 transitions, 1655 flow [2022-12-12 21:40:20,877 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 60 places, 83 transitions, 1421 flow [2022-12-12 21:40:20,877 INFO L495 AbstractCegarLoop]: Abstraction has has 60 places, 83 transitions, 1421 flow [2022-12-12 21:40:20,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 9 states have internal predecessors, (67), 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) [2022-12-12 21:40:20,878 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 21:40:20,878 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 21:40:20,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-12 21:40:20,878 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-12 21:40:20,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 21:40:20,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1369744803, now seen corresponding path program 2 times [2022-12-12 21:40:20,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 21:40:20,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374909835] [2022-12-12 21:40:20,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 21:40:20,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 21:40:20,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 21:40:22,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 21:40:22,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 21:40:22,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374909835] [2022-12-12 21:40:22,940 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374909835] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 21:40:22,940 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 21:40:22,940 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-12 21:40:22,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212189560] [2022-12-12 21:40:22,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 21:40:22,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-12 21:40:22,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 21:40:22,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-12 21:40:22,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-12-12 21:40:22,942 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 46 [2022-12-12 21:40:22,942 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 83 transitions, 1421 flow. Second operand has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 9 states have internal predecessors, (67), 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) [2022-12-12 21:40:22,942 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 21:40:22,942 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 46 [2022-12-12 21:40:22,942 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 21:40:23,571 INFO L130 PetriNetUnfolder]: 183/394 cut-off events. [2022-12-12 21:40:23,571 INFO L131 PetriNetUnfolder]: For 1705/1705 co-relation queries the response was YES. [2022-12-12 21:40:23,572 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3545 conditions, 394 events. 183/394 cut-off events. For 1705/1705 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1801 event pairs, 17 based on Foata normal form. 3/359 useless extension candidates. Maximal degree in co-relation 3511. Up to 331 conditions per place. [2022-12-12 21:40:23,576 INFO L137 encePairwiseOnDemand]: 37/46 looper letters, 65 selfloop transitions, 30 changer transitions 0/101 dead transitions. [2022-12-12 21:40:23,576 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 101 transitions, 1935 flow [2022-12-12 21:40:23,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-12 21:40:23,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-12-12 21:40:23,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 108 transitions. [2022-12-12 21:40:23,577 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.2608695652173913 [2022-12-12 21:40:23,578 INFO L295 CegarLoopForPetriNet]: 53 programPoint places, 15 predicate places. [2022-12-12 21:40:23,578 INFO L82 GeneralOperation]: Start removeDead. Operand has 68 places, 101 transitions, 1935 flow [2022-12-12 21:40:23,583 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 68 places, 101 transitions, 1935 flow [2022-12-12 21:40:23,583 INFO L495 AbstractCegarLoop]: Abstraction has has 68 places, 101 transitions, 1935 flow [2022-12-12 21:40:23,583 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 9 states have internal predecessors, (67), 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) [2022-12-12 21:40:23,584 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 21:40:23,584 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 21:40:23,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-12 21:40:23,584 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-12 21:40:23,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 21:40:23,584 INFO L85 PathProgramCache]: Analyzing trace with hash -1250348391, now seen corresponding path program 3 times [2022-12-12 21:40:23,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 21:40:23,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058769404] [2022-12-12 21:40:23,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 21:40:23,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 21:40:23,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 21:40:23,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 21:40:23,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 21:40:23,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058769404] [2022-12-12 21:40:23,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058769404] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 21:40:23,752 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 21:40:23,752 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-12 21:40:23,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097381678] [2022-12-12 21:40:23,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 21:40:23,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-12 21:40:23,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 21:40:23,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-12 21:40:23,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-12 21:40:23,753 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 46 [2022-12-12 21:40:23,754 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 101 transitions, 1935 flow. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 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) [2022-12-12 21:40:23,754 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 21:40:23,754 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 46 [2022-12-12 21:40:23,754 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 21:40:23,834 INFO L130 PetriNetUnfolder]: 63/181 cut-off events. [2022-12-12 21:40:23,834 INFO L131 PetriNetUnfolder]: For 1327/1327 co-relation queries the response was YES. [2022-12-12 21:40:23,835 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1788 conditions, 181 events. 63/181 cut-off events. For 1327/1327 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 718 event pairs, 0 based on Foata normal form. 36/197 useless extension candidates. Maximal degree in co-relation 1751. Up to 144 conditions per place. [2022-12-12 21:40:23,836 INFO L137 encePairwiseOnDemand]: 38/46 looper letters, 56 selfloop transitions, 27 changer transitions 0/85 dead transitions. [2022-12-12 21:40:23,837 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 85 transitions, 1781 flow [2022-12-12 21:40:23,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-12 21:40:23,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-12 21:40:23,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 52 transitions. [2022-12-12 21:40:23,838 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.2826086956521739 [2022-12-12 21:40:23,838 INFO L295 CegarLoopForPetriNet]: 53 programPoint places, 18 predicate places. [2022-12-12 21:40:23,838 INFO L82 GeneralOperation]: Start removeDead. Operand has 71 places, 85 transitions, 1781 flow [2022-12-12 21:40:23,841 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 71 places, 85 transitions, 1781 flow [2022-12-12 21:40:23,841 INFO L495 AbstractCegarLoop]: Abstraction has has 71 places, 85 transitions, 1781 flow [2022-12-12 21:40:23,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 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) [2022-12-12 21:40:23,841 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 21:40:23,842 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 21:40:23,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-12 21:40:23,842 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-12 21:40:23,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 21:40:23,842 INFO L85 PathProgramCache]: Analyzing trace with hash 133723352, now seen corresponding path program 1 times [2022-12-12 21:40:23,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 21:40:23,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529921329] [2022-12-12 21:40:23,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 21:40:23,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 21:40:23,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 21:40:24,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 21:40:24,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 21:40:24,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529921329] [2022-12-12 21:40:24,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529921329] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 21:40:24,414 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 21:40:24,414 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-12 21:40:24,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24201798] [2022-12-12 21:40:24,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 21:40:24,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-12 21:40:24,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 21:40:24,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-12 21:40:24,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-12 21:40:24,415 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 46 [2022-12-12 21:40:24,416 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 85 transitions, 1781 flow. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-12 21:40:24,416 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 21:40:24,416 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 46 [2022-12-12 21:40:24,416 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 21:40:24,542 INFO L130 PetriNetUnfolder]: 107/299 cut-off events. [2022-12-12 21:40:24,543 INFO L131 PetriNetUnfolder]: For 2882/2884 co-relation queries the response was YES. [2022-12-12 21:40:24,543 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3121 conditions, 299 events. 107/299 cut-off events. For 2882/2884 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1456 event pairs, 0 based on Foata normal form. 11/274 useless extension candidates. Maximal degree in co-relation 3081. Up to 236 conditions per place. [2022-12-12 21:40:24,545 INFO L137 encePairwiseOnDemand]: 41/46 looper letters, 54 selfloop transitions, 6 changer transitions 68/133 dead transitions. [2022-12-12 21:40:24,545 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 133 transitions, 3096 flow [2022-12-12 21:40:24,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-12 21:40:24,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-12 21:40:24,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 58 transitions. [2022-12-12 21:40:24,547 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.31521739130434784 [2022-12-12 21:40:24,547 INFO L295 CegarLoopForPetriNet]: 53 programPoint places, 21 predicate places. [2022-12-12 21:40:24,547 INFO L82 GeneralOperation]: Start removeDead. Operand has 74 places, 133 transitions, 3096 flow [2022-12-12 21:40:24,550 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 60 places, 65 transitions, 1464 flow [2022-12-12 21:40:24,550 INFO L495 AbstractCegarLoop]: Abstraction has has 60 places, 65 transitions, 1464 flow [2022-12-12 21:40:24,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-12 21:40:24,550 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 21:40:24,551 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 21:40:24,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-12 21:40:24,551 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-12 21:40:24,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 21:40:24,551 INFO L85 PathProgramCache]: Analyzing trace with hash 834372366, now seen corresponding path program 1 times [2022-12-12 21:40:24,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 21:40:24,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653954745] [2022-12-12 21:40:24,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 21:40:24,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 21:40:24,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 21:40:25,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 21:40:25,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 21:40:25,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653954745] [2022-12-12 21:40:25,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653954745] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 21:40:25,357 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 21:40:25,357 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-12 21:40:25,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264910042] [2022-12-12 21:40:25,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 21:40:25,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-12 21:40:25,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 21:40:25,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-12 21:40:25,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-12 21:40:25,359 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 46 [2022-12-12 21:40:25,359 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 65 transitions, 1464 flow. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 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) [2022-12-12 21:40:25,359 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 21:40:25,359 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 46 [2022-12-12 21:40:25,359 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 21:40:25,485 INFO L130 PetriNetUnfolder]: 57/189 cut-off events. [2022-12-12 21:40:25,485 INFO L131 PetriNetUnfolder]: For 1490/1490 co-relation queries the response was YES. [2022-12-12 21:40:25,486 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2183 conditions, 189 events. 57/189 cut-off events. For 1490/1490 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 814 event pairs, 0 based on Foata normal form. 9/172 useless extension candidates. Maximal degree in co-relation 2140. Up to 156 conditions per place. [2022-12-12 21:40:25,487 INFO L137 encePairwiseOnDemand]: 39/46 looper letters, 30 selfloop transitions, 7 changer transitions 36/79 dead transitions. [2022-12-12 21:40:25,487 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 79 transitions, 1946 flow [2022-12-12 21:40:25,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-12 21:40:25,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-12 21:40:25,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 79 transitions. [2022-12-12 21:40:25,489 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.2453416149068323 [2022-12-12 21:40:25,490 INFO L295 CegarLoopForPetriNet]: 53 programPoint places, 13 predicate places. [2022-12-12 21:40:25,490 INFO L82 GeneralOperation]: Start removeDead. Operand has 66 places, 79 transitions, 1946 flow [2022-12-12 21:40:25,492 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 65 places, 43 transitions, 1004 flow [2022-12-12 21:40:25,492 INFO L495 AbstractCegarLoop]: Abstraction has has 65 places, 43 transitions, 1004 flow [2022-12-12 21:40:25,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 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) [2022-12-12 21:40:25,493 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 21:40:25,493 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 21:40:25,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-12 21:40:25,493 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-12 21:40:25,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 21:40:25,493 INFO L85 PathProgramCache]: Analyzing trace with hash -57321543, now seen corresponding path program 1 times [2022-12-12 21:40:25,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 21:40:25,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24662516] [2022-12-12 21:40:25,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 21:40:25,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 21:40:25,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 21:40:26,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 21:40:26,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 21:40:26,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24662516] [2022-12-12 21:40:26,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24662516] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 21:40:26,719 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 21:40:26,719 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-12 21:40:26,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534929807] [2022-12-12 21:40:26,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 21:40:26,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-12 21:40:26,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 21:40:26,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-12 21:40:26,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-12-12 21:40:26,720 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 46 [2022-12-12 21:40:26,720 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 43 transitions, 1004 flow. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 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) [2022-12-12 21:40:26,720 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 21:40:26,720 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 46 [2022-12-12 21:40:26,720 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 21:40:26,883 INFO L130 PetriNetUnfolder]: 38/150 cut-off events. [2022-12-12 21:40:26,883 INFO L131 PetriNetUnfolder]: For 1106/1106 co-relation queries the response was YES. [2022-12-12 21:40:26,884 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1844 conditions, 150 events. 38/150 cut-off events. For 1106/1106 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 700 event pairs, 0 based on Foata normal form. 9/138 useless extension candidates. Maximal degree in co-relation 1798. Up to 124 conditions per place. [2022-12-12 21:40:26,885 INFO L137 encePairwiseOnDemand]: 40/46 looper letters, 27 selfloop transitions, 5 changer transitions 23/61 dead transitions. [2022-12-12 21:40:26,885 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 61 transitions, 1582 flow [2022-12-12 21:40:26,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-12 21:40:26,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-12 21:40:26,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 67 transitions. [2022-12-12 21:40:26,887 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.2427536231884058 [2022-12-12 21:40:26,888 INFO L295 CegarLoopForPetriNet]: 53 programPoint places, 17 predicate places. [2022-12-12 21:40:26,888 INFO L82 GeneralOperation]: Start removeDead. Operand has 70 places, 61 transitions, 1582 flow [2022-12-12 21:40:26,892 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 69 places, 38 transitions, 938 flow [2022-12-12 21:40:26,893 INFO L495 AbstractCegarLoop]: Abstraction has has 69 places, 38 transitions, 938 flow [2022-12-12 21:40:26,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 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) [2022-12-12 21:40:26,893 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 21:40:26,893 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 21:40:26,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-12 21:40:26,894 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-12 21:40:26,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 21:40:26,894 INFO L85 PathProgramCache]: Analyzing trace with hash 714258706, now seen corresponding path program 2 times [2022-12-12 21:40:26,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 21:40:26,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788871938] [2022-12-12 21:40:26,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 21:40:26,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 21:40:26,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 21:40:28,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 21:40:28,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 21:40:28,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788871938] [2022-12-12 21:40:28,254 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788871938] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 21:40:28,254 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 21:40:28,254 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-12 21:40:28,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495908100] [2022-12-12 21:40:28,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 21:40:28,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-12 21:40:28,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 21:40:28,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-12 21:40:28,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-12-12 21:40:28,255 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 46 [2022-12-12 21:40:28,255 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 38 transitions, 938 flow. Second operand has 10 states, 10 states have (on average 7.5) internal successors, (75), 10 states have internal predecessors, (75), 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) [2022-12-12 21:40:28,256 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 21:40:28,256 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 46 [2022-12-12 21:40:28,256 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 21:40:28,522 INFO L130 PetriNetUnfolder]: 20/77 cut-off events. [2022-12-12 21:40:28,522 INFO L131 PetriNetUnfolder]: For 678/678 co-relation queries the response was YES. [2022-12-12 21:40:28,522 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1007 conditions, 77 events. 20/77 cut-off events. For 678/678 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 237 event pairs, 0 based on Foata normal form. 9/76 useless extension candidates. Maximal degree in co-relation 958. Up to 60 conditions per place. [2022-12-12 21:40:28,523 INFO L137 encePairwiseOnDemand]: 40/46 looper letters, 0 selfloop transitions, 0 changer transitions 39/39 dead transitions. [2022-12-12 21:40:28,523 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 39 transitions, 1032 flow [2022-12-12 21:40:28,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-12 21:40:28,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-12 21:40:28,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 64 transitions. [2022-12-12 21:40:28,524 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.19875776397515527 [2022-12-12 21:40:28,525 INFO L295 CegarLoopForPetriNet]: 53 programPoint places, 21 predicate places. [2022-12-12 21:40:28,525 INFO L82 GeneralOperation]: Start removeDead. Operand has 74 places, 39 transitions, 1032 flow [2022-12-12 21:40:28,525 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 0 places, 0 transitions, 0 flow [2022-12-12 21:40:28,525 INFO L495 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2022-12-12 21:40:28,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.5) internal successors, (75), 10 states have internal predecessors, (75), 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) [2022-12-12 21:40:28,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2022-12-12 21:40:28,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2022-12-12 21:40:28,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2022-12-12 21:40:28,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2022-12-12 21:40:28,529 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2022-12-12 21:40:28,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-12 21:40:28,529 INFO L445 BasicCegarLoop]: Path program histogram: [3, 3, 2, 1, 1, 1, 1, 1, 1] [2022-12-12 21:40:28,533 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-12 21:40:28,533 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-12 21:40:28,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.12 09:40:28 BasicIcfg [2022-12-12 21:40:28,536 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-12 21:40:28,536 INFO L158 Benchmark]: Toolchain (without parser) took 23782.01ms. Allocated memory was 225.4MB in the beginning and 522.2MB in the end (delta: 296.7MB). Free memory was 182.4MB in the beginning and 452.5MB in the end (delta: -270.1MB). Peak memory consumption was 28.2MB. Max. memory is 8.0GB. [2022-12-12 21:40:28,536 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 225.4MB. Free memory is still 201.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-12 21:40:28,537 INFO L158 Benchmark]: CACSL2BoogieTranslator took 558.14ms. Allocated memory is still 225.4MB. Free memory was 182.4MB in the beginning and 154.6MB in the end (delta: 27.8MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. [2022-12-12 21:40:28,537 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.50ms. Allocated memory is still 225.4MB. Free memory was 154.6MB in the beginning and 151.5MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-12-12 21:40:28,537 INFO L158 Benchmark]: Boogie Preprocessor took 27.69ms. Allocated memory is still 225.4MB. Free memory was 151.5MB in the beginning and 149.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-12 21:40:28,537 INFO L158 Benchmark]: RCFGBuilder took 838.82ms. Allocated memory is still 225.4MB. Free memory was 149.4MB in the beginning and 104.3MB in the end (delta: 45.1MB). Peak memory consumption was 45.1MB. Max. memory is 8.0GB. [2022-12-12 21:40:28,538 INFO L158 Benchmark]: TraceAbstraction took 22300.68ms. Allocated memory was 225.4MB in the beginning and 522.2MB in the end (delta: 296.7MB). Free memory was 103.2MB in the beginning and 452.5MB in the end (delta: -349.2MB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-12 21:40:28,539 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 225.4MB. Free memory is still 201.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 558.14ms. Allocated memory is still 225.4MB. Free memory was 182.4MB in the beginning and 154.6MB in the end (delta: 27.8MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 50.50ms. Allocated memory is still 225.4MB. Free memory was 154.6MB in the beginning and 151.5MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 27.69ms. Allocated memory is still 225.4MB. Free memory was 151.5MB in the beginning and 149.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 838.82ms. Allocated memory is still 225.4MB. Free memory was 149.4MB in the beginning and 104.3MB in the end (delta: 45.1MB). Peak memory consumption was 45.1MB. Max. memory is 8.0GB. * TraceAbstraction took 22300.68ms. Allocated memory was 225.4MB in the beginning and 522.2MB in the end (delta: 296.7MB). Free memory was 103.2MB in the beginning and 452.5MB in the end (delta: -349.2MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.3s, 93 PlacesBefore, 53 PlacesAfterwards, 88 TransitionsBefore, 46 TransitionsAfterwards, 1156 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 35 TrivialYvCompositions, 32 ConcurrentYvCompositions, 2 ChoiceCompositions, 71 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2038, independent: 1886, independent conditional: 1886, independent unconditional: 0, dependent: 152, dependent conditional: 152, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2038, independent: 1886, independent conditional: 0, independent unconditional: 1886, dependent: 152, dependent conditional: 0, dependent unconditional: 152, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2038, independent: 1886, independent conditional: 0, independent unconditional: 1886, dependent: 152, dependent conditional: 0, dependent unconditional: 152, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2038, independent: 1886, independent conditional: 0, independent unconditional: 1886, dependent: 152, dependent conditional: 0, dependent unconditional: 152, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1107, independent: 1052, independent conditional: 0, independent unconditional: 1052, dependent: 55, dependent conditional: 0, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1107, independent: 1032, independent conditional: 0, independent unconditional: 1032, dependent: 75, dependent conditional: 0, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 75, independent: 20, independent conditional: 0, independent unconditional: 20, dependent: 55, dependent conditional: 0, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 616, independent: 19, independent conditional: 0, independent unconditional: 19, dependent: 597, dependent conditional: 0, dependent unconditional: 597, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2038, independent: 834, independent conditional: 0, independent unconditional: 834, dependent: 97, dependent conditional: 0, dependent unconditional: 97, unknown: 1107, unknown conditional: 0, unknown unconditional: 1107] , Statistics on independence cache: Total cache size (in pairs): 2011, Positive cache size: 1956, Positive conditional cache size: 0, Positive unconditional cache size: 1956, Negative cache size: 55, Negative conditional cache size: 0, Negative unconditional cache size: 55, 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 - 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 5 procedures, 110 locations, 5 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: 22.2s, OverallIterations: 14, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 217 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 217 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 110 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1267 IncrementalHoareTripleChecker+Invalid, 1377 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 110 mSolverCounterUnsat, 1 mSDtfsCounter, 1267 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1935occurred in iteration=9, InterpolantAutomatonStates: 77, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 14 MinimizatonAttempts, 4648 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 10.6s InterpolantComputationTime, 178 NumberOfCodeBlocks, 178 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 164 ConstructedInterpolants, 0 QuantifiedInterpolants, 3049 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-12 21:40:28,559 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...