/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf --traceabstraction.use.on-demand.petri.net.difference true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe011_power.opt_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 01:13:02,655 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 01:13:02,657 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 01:13:02,696 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 01:13:02,697 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 01:13:02,699 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 01:13:02,702 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 01:13:02,709 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 01:13:02,716 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 01:13:02,721 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 01:13:02,722 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 01:13:02,723 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 01:13:02,723 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 01:13:02,724 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 01:13:02,725 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 01:13:02,726 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 01:13:02,726 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 01:13:02,727 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 01:13:02,728 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 01:13:02,730 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 01:13:02,731 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 01:13:02,732 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 01:13:02,733 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 01:13:02,733 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 01:13:02,736 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 01:13:02,737 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 01:13:02,737 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 01:13:02,738 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 01:13:02,738 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 01:13:02,739 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 01:13:02,739 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 01:13:02,740 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 01:13:02,740 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 01:13:02,741 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 01:13:02,742 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 01:13:02,742 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 01:13:02,743 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 01:13:02,743 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 01:13:02,743 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 01:13:02,744 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 01:13:02,745 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 01:13:02,746 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf [2022-12-06 01:13:02,772 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 01:13:02,772 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 01:13:02,774 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 01:13:02,774 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 01:13:02,774 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 01:13:02,774 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 01:13:02,775 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 01:13:02,775 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 01:13:02,775 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 01:13:02,775 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 01:13:02,775 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 01:13:02,775 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 01:13:02,776 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 01:13:02,776 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 01:13:02,776 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 01:13:02,776 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 01:13:02,776 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 01:13:02,777 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 01:13:02,777 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 01:13:02,777 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 01:13:02,777 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 01:13:02,777 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 01:13:02,778 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 01:13:02,778 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 01:13:02,778 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 01:13:02,778 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 01:13:02,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 01:13:02,779 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 01:13:02,779 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true [2022-12-06 01:13:03,107 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 01:13:03,127 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 01:13:03,129 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 01:13:03,130 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 01:13:03,131 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 01:13:03,132 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe011_power.opt_pso.opt.i [2022-12-06 01:13:04,323 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 01:13:04,583 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 01:13:04,583 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe011_power.opt_pso.opt.i [2022-12-06 01:13:04,604 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c5b12617/e6d96fd6d2ae4108932bb223a2f0741e/FLAG7a4435788 [2022-12-06 01:13:04,617 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c5b12617/e6d96fd6d2ae4108932bb223a2f0741e [2022-12-06 01:13:04,619 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 01:13:04,620 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 01:13:04,621 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 01:13:04,621 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 01:13:04,623 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 01:13:04,624 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:13:04" (1/1) ... [2022-12-06 01:13:04,625 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19336f96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:04, skipping insertion in model container [2022-12-06 01:13:04,625 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:13:04" (1/1) ... [2022-12-06 01:13:04,630 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 01:13:04,681 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 01:13:04,838 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/safe011_power.opt_pso.opt.i[959,972] [2022-12-06 01:13:04,999 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:13:05,000 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:13:05,001 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:13:05,001 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:13:05,001 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:13:05,007 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:13:05,007 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:13:05,008 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:13:05,009 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:13:05,011 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:13:05,011 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:13:05,012 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:13:05,012 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:13:05,019 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:13:05,019 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:13:05,020 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:13:05,023 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:13:05,024 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:13:05,024 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:13:05,024 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:13:05,024 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:13:05,029 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:13:05,029 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:13:05,029 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:13:05,040 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:13:05,041 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:13:05,042 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:13:05,045 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:13:05,046 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:13:05,064 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:13:05,065 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 01:13:05,078 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 01:13:05,091 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/safe011_power.opt_pso.opt.i[959,972] [2022-12-06 01:13:05,123 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:13:05,123 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:13:05,123 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:13:05,124 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:13:05,124 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:13:05,125 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:13:05,126 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:13:05,126 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:13:05,126 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:13:05,127 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:13:05,127 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:13:05,128 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:13:05,128 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:13:05,129 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:13:05,129 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:13:05,130 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:13:05,130 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:13:05,130 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:13:05,131 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:13:05,132 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:13:05,132 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:13:05,141 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:13:05,141 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:13:05,142 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:13:05,146 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:13:05,147 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:13:05,148 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:13:05,152 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:13:05,152 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:13:05,161 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:13:05,162 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 01:13:05,200 INFO L208 MainTranslator]: Completed translation [2022-12-06 01:13:05,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:05 WrapperNode [2022-12-06 01:13:05,200 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 01:13:05,201 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 01:13:05,202 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 01:13:05,202 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 01:13:05,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:05" (1/1) ... [2022-12-06 01:13:05,238 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:05" (1/1) ... [2022-12-06 01:13:05,271 INFO L138 Inliner]: procedures = 176, calls = 54, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 142 [2022-12-06 01:13:05,271 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 01:13:05,272 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 01:13:05,272 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 01:13:05,272 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 01:13:05,279 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:05" (1/1) ... [2022-12-06 01:13:05,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:05" (1/1) ... [2022-12-06 01:13:05,293 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:05" (1/1) ... [2022-12-06 01:13:05,293 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:05" (1/1) ... [2022-12-06 01:13:05,299 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:05" (1/1) ... [2022-12-06 01:13:05,300 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:05" (1/1) ... [2022-12-06 01:13:05,302 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:05" (1/1) ... [2022-12-06 01:13:05,303 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:05" (1/1) ... [2022-12-06 01:13:05,305 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 01:13:05,306 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 01:13:05,306 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 01:13:05,306 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 01:13:05,307 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:05" (1/1) ... [2022-12-06 01:13:05,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 01:13:05,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 01:13:05,336 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-06 01:13:05,345 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-06 01:13:05,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 01:13:05,367 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-06 01:13:05,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 01:13:05,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 01:13:05,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 01:13:05,368 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-06 01:13:05,368 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-06 01:13:05,369 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-06 01:13:05,369 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-06 01:13:05,369 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-12-06 01:13:05,370 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-12-06 01:13:05,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 01:13:05,370 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-06 01:13:05,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 01:13:05,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 01:13:05,372 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-06 01:13:05,510 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 01:13:05,512 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 01:13:05,813 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 01:13:05,945 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 01:13:05,945 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-06 01:13:05,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:13:05 BoogieIcfgContainer [2022-12-06 01:13:05,947 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 01:13:05,949 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 01:13:05,949 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 01:13:05,952 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 01:13:05,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 01:13:04" (1/3) ... [2022-12-06 01:13:05,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4800b1cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 01:13:05, skipping insertion in model container [2022-12-06 01:13:05,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:05" (2/3) ... [2022-12-06 01:13:05,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4800b1cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 01:13:05, skipping insertion in model container [2022-12-06 01:13:05,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:13:05" (3/3) ... [2022-12-06 01:13:05,954 INFO L112 eAbstractionObserver]: Analyzing ICFG safe011_power.opt_pso.opt.i [2022-12-06 01:13:05,970 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 01:13:05,970 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-06 01:13:05,970 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 01:13:06,030 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-06 01:13:06,068 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 115 places, 107 transitions, 229 flow [2022-12-06 01:13:06,117 INFO L130 PetriNetUnfolder]: 2/104 cut-off events. [2022-12-06 01:13:06,118 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 01:13:06,124 INFO L83 FinitePrefix]: Finished finitePrefix Result has 114 conditions, 104 events. 2/104 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 54 event pairs, 0 based on Foata normal form. 0/100 useless extension candidates. Maximal degree in co-relation 69. Up to 2 conditions per place. [2022-12-06 01:13:06,124 INFO L82 GeneralOperation]: Start removeDead. Operand has 115 places, 107 transitions, 229 flow [2022-12-06 01:13:06,128 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 112 places, 104 transitions, 217 flow [2022-12-06 01:13:06,129 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:13:06,152 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 112 places, 104 transitions, 217 flow [2022-12-06 01:13:06,160 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 112 places, 104 transitions, 217 flow [2022-12-06 01:13:06,240 INFO L130 PetriNetUnfolder]: 2/104 cut-off events. [2022-12-06 01:13:06,241 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 01:13:06,242 INFO L83 FinitePrefix]: Finished finitePrefix Result has 114 conditions, 104 events. 2/104 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 54 event pairs, 0 based on Foata normal form. 0/100 useless extension candidates. Maximal degree in co-relation 69. Up to 2 conditions per place. [2022-12-06 01:13:06,244 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 112 places, 104 transitions, 217 flow [2022-12-06 01:13:06,244 INFO L188 LiptonReduction]: Number of co-enabled transitions 1906 [2022-12-06 01:13:11,358 INFO L203 LiptonReduction]: Total number of compositions: 81 [2022-12-06 01:13:11,371 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 01:13:11,376 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=REPEATED_LIPTON_PN, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6a6c6cf8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 01:13:11,377 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-12-06 01:13:11,379 INFO L130 PetriNetUnfolder]: 0/8 cut-off events. [2022-12-06 01:13:11,379 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 01:13:11,380 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:13:11,380 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2022-12-06 01:13:11,380 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-06 01:13:11,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:13:11,384 INFO L85 PathProgramCache]: Analyzing trace with hash 445773821, now seen corresponding path program 1 times [2022-12-06 01:13:11,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:13:11,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083134226] [2022-12-06 01:13:11,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:13:11,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:13:11,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:13:11,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 01:13:11,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:13:11,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083134226] [2022-12-06 01:13:11,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083134226] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:13:11,746 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:13:11,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-06 01:13:11,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755180311] [2022-12-06 01:13:11,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:13:11,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 01:13:11,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:13:11,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 01:13:11,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 01:13:11,771 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 27 [2022-12-06 01:13:11,772 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 27 transitions, 63 flow. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:13:11,772 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:13:11,772 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 27 [2022-12-06 01:13:11,773 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:13:12,078 INFO L130 PetriNetUnfolder]: 879/1434 cut-off events. [2022-12-06 01:13:12,078 INFO L131 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2022-12-06 01:13:12,085 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2801 conditions, 1434 events. 879/1434 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 7472 event pairs, 144 based on Foata normal form. 0/1281 useless extension candidates. Maximal degree in co-relation 2790. Up to 1060 conditions per place. [2022-12-06 01:13:12,093 INFO L137 encePairwiseOnDemand]: 22/27 looper letters, 27 selfloop transitions, 2 changer transitions 6/38 dead transitions. [2022-12-06 01:13:12,094 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 38 transitions, 158 flow [2022-12-06 01:13:12,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 01:13:12,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 01:13:12,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 49 transitions. [2022-12-06 01:13:12,104 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6049382716049383 [2022-12-06 01:13:12,109 INFO L294 CegarLoopForPetriNet]: 36 programPoint places, 0 predicate places. [2022-12-06 01:13:12,110 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:13:12,110 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 38 transitions, 158 flow [2022-12-06 01:13:12,128 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 38 transitions, 158 flow [2022-12-06 01:13:12,129 INFO L188 LiptonReduction]: Number of co-enabled transitions 126 [2022-12-06 01:13:12,572 INFO L203 LiptonReduction]: Total number of compositions: 3 [2022-12-06 01:13:12,574 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 465 [2022-12-06 01:13:12,574 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 35 transitions, 152 flow [2022-12-06 01:13:12,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:13:12,574 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:13:12,574 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 01:13:12,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 01:13:12,575 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-06 01:13:12,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:13:12,576 INFO L85 PathProgramCache]: Analyzing trace with hash 300536112, now seen corresponding path program 1 times [2022-12-06 01:13:12,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:13:12,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816978574] [2022-12-06 01:13:12,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:13:12,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:13:12,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:13:13,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 01:13:13,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:13:13,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816978574] [2022-12-06 01:13:13,006 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816978574] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:13:13,006 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:13:13,006 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 01:13:13,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275264374] [2022-12-06 01:13:13,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:13:13,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 01:13:13,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:13:13,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 01:13:13,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-06 01:13:13,008 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 23 [2022-12-06 01:13:13,008 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 35 transitions, 152 flow. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:13:13,008 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:13:13,008 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 23 [2022-12-06 01:13:13,008 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:13:13,417 INFO L130 PetriNetUnfolder]: 1183/1816 cut-off events. [2022-12-06 01:13:13,418 INFO L131 PetriNetUnfolder]: For 18/18 co-relation queries the response was YES. [2022-12-06 01:13:13,420 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5496 conditions, 1816 events. 1183/1816 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 8600 event pairs, 16 based on Foata normal form. 0/1650 useless extension candidates. Maximal degree in co-relation 5482. Up to 1481 conditions per place. [2022-12-06 01:13:13,426 INFO L137 encePairwiseOnDemand]: 11/23 looper letters, 48 selfloop transitions, 15 changer transitions 20/83 dead transitions. [2022-12-06 01:13:13,426 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 83 transitions, 519 flow [2022-12-06 01:13:13,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-06 01:13:13,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-06 01:13:13,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 56 transitions. [2022-12-06 01:13:13,429 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6086956521739131 [2022-12-06 01:13:13,430 INFO L294 CegarLoopForPetriNet]: 36 programPoint places, 0 predicate places. [2022-12-06 01:13:13,430 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:13:13,431 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 83 transitions, 519 flow [2022-12-06 01:13:13,441 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 83 transitions, 519 flow [2022-12-06 01:13:13,441 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 01:13:13,443 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 01:13:13,444 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 14 [2022-12-06 01:13:13,445 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 83 transitions, 519 flow [2022-12-06 01:13:13,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:13:13,445 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:13:13,445 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 01:13:13,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 01:13:13,445 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-06 01:13:13,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:13:13,446 INFO L85 PathProgramCache]: Analyzing trace with hash 726683029, now seen corresponding path program 1 times [2022-12-06 01:13:13,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:13:13,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441205692] [2022-12-06 01:13:13,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:13:13,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:13:13,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:13:13,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 01:13:13,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:13:13,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441205692] [2022-12-06 01:13:13,647 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441205692] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:13:13,647 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:13:13,647 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-06 01:13:13,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742590876] [2022-12-06 01:13:13,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:13:13,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 01:13:13,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:13:13,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 01:13:13,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 01:13:13,649 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 23 [2022-12-06 01:13:13,649 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 83 transitions, 519 flow. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:13:13,649 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:13:13,649 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 23 [2022-12-06 01:13:13,649 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:13:13,959 INFO L130 PetriNetUnfolder]: 1154/1775 cut-off events. [2022-12-06 01:13:13,959 INFO L131 PetriNetUnfolder]: For 18/18 co-relation queries the response was YES. [2022-12-06 01:13:13,962 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7149 conditions, 1775 events. 1154/1775 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 8170 event pairs, 0 based on Foata normal form. 0/1621 useless extension candidates. Maximal degree in co-relation 7132. Up to 1448 conditions per place. [2022-12-06 01:13:13,970 INFO L137 encePairwiseOnDemand]: 20/23 looper letters, 78 selfloop transitions, 5 changer transitions 35/118 dead transitions. [2022-12-06 01:13:13,970 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 118 transitions, 965 flow [2022-12-06 01:13:13,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 01:13:13,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 01:13:13,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 35 transitions. [2022-12-06 01:13:13,972 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5072463768115942 [2022-12-06 01:13:13,974 INFO L294 CegarLoopForPetriNet]: 36 programPoint places, 2 predicate places. [2022-12-06 01:13:13,974 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:13:13,974 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 38 places, 118 transitions, 965 flow [2022-12-06 01:13:13,987 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 38 places, 118 transitions, 965 flow [2022-12-06 01:13:13,988 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 01:13:13,990 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 01:13:13,991 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 17 [2022-12-06 01:13:13,991 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 118 transitions, 965 flow [2022-12-06 01:13:13,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:13:13,992 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:13:13,992 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 01:13:13,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-06 01:13:13,994 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-06 01:13:13,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:13:13,999 INFO L85 PathProgramCache]: Analyzing trace with hash 1052336870, now seen corresponding path program 1 times [2022-12-06 01:13:13,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:13:13,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776739945] [2022-12-06 01:13:13,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:13:13,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:13:14,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:13:14,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 01:13:14,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:13:14,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776739945] [2022-12-06 01:13:14,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776739945] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:13:14,142 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:13:14,142 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 01:13:14,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971641154] [2022-12-06 01:13:14,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:13:14,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 01:13:14,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:13:14,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 01:13:14,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-06 01:13:14,143 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 23 [2022-12-06 01:13:14,143 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 118 transitions, 965 flow. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:13:14,143 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:13:14,144 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 23 [2022-12-06 01:13:14,144 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:13:14,542 INFO L130 PetriNetUnfolder]: 1397/2174 cut-off events. [2022-12-06 01:13:14,542 INFO L131 PetriNetUnfolder]: For 18/18 co-relation queries the response was YES. [2022-12-06 01:13:14,545 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10920 conditions, 2174 events. 1397/2174 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 10589 event pairs, 0 based on Foata normal form. 0/2006 useless extension candidates. Maximal degree in co-relation 10900. Up to 1880 conditions per place. [2022-12-06 01:13:14,552 INFO L137 encePairwiseOnDemand]: 19/23 looper letters, 63 selfloop transitions, 5 changer transitions 122/190 dead transitions. [2022-12-06 01:13:14,552 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 190 transitions, 1927 flow [2022-12-06 01:13:14,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-06 01:13:14,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-06 01:13:14,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 48 transitions. [2022-12-06 01:13:14,554 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5217391304347826 [2022-12-06 01:13:14,555 INFO L294 CegarLoopForPetriNet]: 36 programPoint places, 5 predicate places. [2022-12-06 01:13:14,557 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:13:14,557 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 190 transitions, 1927 flow [2022-12-06 01:13:14,573 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 190 transitions, 1927 flow [2022-12-06 01:13:14,574 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 01:13:14,574 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 01:13:14,580 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 25 [2022-12-06 01:13:14,580 INFO L495 AbstractCegarLoop]: Abstraction has has 41 places, 190 transitions, 1927 flow [2022-12-06 01:13:14,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:13:14,580 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:13:14,580 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 01:13:14,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-06 01:13:14,580 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-06 01:13:14,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:13:14,581 INFO L85 PathProgramCache]: Analyzing trace with hash 1978849690, now seen corresponding path program 1 times [2022-12-06 01:13:14,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:13:14,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094531056] [2022-12-06 01:13:14,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:13:14,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:13:14,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:13:14,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 01:13:14,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:13:14,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094531056] [2022-12-06 01:13:14,835 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094531056] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:13:14,835 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:13:14,835 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 01:13:14,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332688105] [2022-12-06 01:13:14,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:13:14,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 01:13:14,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:13:14,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 01:13:14,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-06 01:13:14,837 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 23 [2022-12-06 01:13:14,837 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 190 transitions, 1927 flow. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:13:14,837 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:13:14,837 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 23 [2022-12-06 01:13:14,837 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:13:15,191 INFO L130 PetriNetUnfolder]: 1109/1846 cut-off events. [2022-12-06 01:13:15,191 INFO L131 PetriNetUnfolder]: For 18/18 co-relation queries the response was YES. [2022-12-06 01:13:15,193 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11127 conditions, 1846 events. 1109/1846 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 9627 event pairs, 12 based on Foata normal form. 130/1813 useless extension candidates. Maximal degree in co-relation 11104. Up to 1628 conditions per place. [2022-12-06 01:13:15,200 INFO L137 encePairwiseOnDemand]: 17/23 looper letters, 94 selfloop transitions, 20 changer transitions 218/332 dead transitions. [2022-12-06 01:13:15,200 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 332 transitions, 4026 flow [2022-12-06 01:13:15,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-06 01:13:15,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-06 01:13:15,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 54 transitions. [2022-12-06 01:13:15,205 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5869565217391305 [2022-12-06 01:13:15,207 INFO L294 CegarLoopForPetriNet]: 36 programPoint places, 8 predicate places. [2022-12-06 01:13:15,207 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:13:15,208 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 332 transitions, 4026 flow [2022-12-06 01:13:15,223 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 332 transitions, 4026 flow [2022-12-06 01:13:15,223 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 01:13:15,225 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 01:13:15,227 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 20 [2022-12-06 01:13:15,227 INFO L495 AbstractCegarLoop]: Abstraction has has 44 places, 332 transitions, 4026 flow [2022-12-06 01:13:15,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:13:15,227 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:13:15,227 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 01:13:15,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-06 01:13:15,228 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-06 01:13:15,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:13:15,228 INFO L85 PathProgramCache]: Analyzing trace with hash 30024565, now seen corresponding path program 1 times [2022-12-06 01:13:15,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:13:15,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198382979] [2022-12-06 01:13:15,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:13:15,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:13:15,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:13:15,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 01:13:15,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:13:15,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198382979] [2022-12-06 01:13:15,427 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198382979] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:13:15,427 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:13:15,427 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-06 01:13:15,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770860323] [2022-12-06 01:13:15,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:13:15,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-06 01:13:15,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:13:15,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-06 01:13:15,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-06 01:13:15,429 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 23 [2022-12-06 01:13:15,429 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 332 transitions, 4026 flow. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:13:15,429 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:13:15,429 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 23 [2022-12-06 01:13:15,429 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:13:15,751 INFO L130 PetriNetUnfolder]: 853/1473 cut-off events. [2022-12-06 01:13:15,751 INFO L131 PetriNetUnfolder]: For 18/18 co-relation queries the response was YES. [2022-12-06 01:13:15,752 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10363 conditions, 1473 events. 853/1473 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 7636 event pairs, 1 based on Foata normal form. 87/1407 useless extension candidates. Maximal degree in co-relation 10337. Up to 1288 conditions per place. [2022-12-06 01:13:15,757 INFO L137 encePairwiseOnDemand]: 17/23 looper letters, 86 selfloop transitions, 24 changer transitions 299/409 dead transitions. [2022-12-06 01:13:15,758 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 409 transitions, 5771 flow [2022-12-06 01:13:15,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-06 01:13:15,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-06 01:13:15,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 66 transitions. [2022-12-06 01:13:15,759 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5739130434782609 [2022-12-06 01:13:15,759 INFO L294 CegarLoopForPetriNet]: 36 programPoint places, 12 predicate places. [2022-12-06 01:13:15,760 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:13:15,760 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 48 places, 409 transitions, 5771 flow [2022-12-06 01:13:15,774 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 48 places, 409 transitions, 5771 flow [2022-12-06 01:13:15,774 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 01:13:15,775 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 01:13:15,775 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 16 [2022-12-06 01:13:15,776 INFO L495 AbstractCegarLoop]: Abstraction has has 48 places, 409 transitions, 5771 flow [2022-12-06 01:13:15,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:13:15,776 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:13:15,776 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 01:13:15,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-06 01:13:15,776 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-06 01:13:15,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:13:15,777 INFO L85 PathProgramCache]: Analyzing trace with hash -223424174, now seen corresponding path program 1 times [2022-12-06 01:13:15,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:13:15,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540371227] [2022-12-06 01:13:15,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:13:15,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:13:15,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:13:15,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 01:13:15,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:13:15,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540371227] [2022-12-06 01:13:15,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540371227] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:13:15,928 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:13:15,928 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 01:13:15,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524645776] [2022-12-06 01:13:15,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:13:15,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 01:13:15,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:13:15,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 01:13:15,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 01:13:15,929 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 23 [2022-12-06 01:13:15,929 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 409 transitions, 5771 flow. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:13:15,929 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:13:15,929 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 23 [2022-12-06 01:13:15,929 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:13:16,285 INFO L130 PetriNetUnfolder]: 1007/1781 cut-off events. [2022-12-06 01:13:16,285 INFO L131 PetriNetUnfolder]: For 18/18 co-relation queries the response was YES. [2022-12-06 01:13:16,287 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14301 conditions, 1781 events. 1007/1781 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 9888 event pairs, 1 based on Foata normal form. 0/1599 useless extension candidates. Maximal degree in co-relation 14272. Up to 1572 conditions per place. [2022-12-06 01:13:16,293 INFO L137 encePairwiseOnDemand]: 19/23 looper letters, 88 selfloop transitions, 8 changer transitions 425/521 dead transitions. [2022-12-06 01:13:16,293 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 521 transitions, 8381 flow [2022-12-06 01:13:16,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 01:13:16,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 01:13:16,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 36 transitions. [2022-12-06 01:13:16,295 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5217391304347826 [2022-12-06 01:13:16,295 INFO L294 CegarLoopForPetriNet]: 36 programPoint places, 14 predicate places. [2022-12-06 01:13:16,296 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:13:16,296 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 521 transitions, 8381 flow [2022-12-06 01:13:16,315 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 521 transitions, 8381 flow [2022-12-06 01:13:16,315 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 01:13:16,316 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 01:13:16,317 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 22 [2022-12-06 01:13:16,317 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 521 transitions, 8381 flow [2022-12-06 01:13:16,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:13:16,317 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:13:16,317 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 01:13:16,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-06 01:13:16,318 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-06 01:13:16,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:13:16,318 INFO L85 PathProgramCache]: Analyzing trace with hash 861951997, now seen corresponding path program 1 times [2022-12-06 01:13:16,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:13:16,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041802305] [2022-12-06 01:13:16,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:13:16,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:13:16,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:13:16,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 01:13:16,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:13:16,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041802305] [2022-12-06 01:13:16,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041802305] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:13:16,521 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:13:16,521 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-06 01:13:16,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596627754] [2022-12-06 01:13:16,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:13:16,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-06 01:13:16,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:13:16,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-06 01:13:16,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-12-06 01:13:16,522 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 23 [2022-12-06 01:13:16,522 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 521 transitions, 8381 flow. Second operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:13:16,522 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:13:16,522 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 23 [2022-12-06 01:13:16,523 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:13:16,953 INFO L130 PetriNetUnfolder]: 939/1643 cut-off events. [2022-12-06 01:13:16,953 INFO L131 PetriNetUnfolder]: For 18/18 co-relation queries the response was YES. [2022-12-06 01:13:16,955 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14841 conditions, 1643 events. 939/1643 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 8984 event pairs, 0 based on Foata normal form. 41/1507 useless extension candidates. Maximal degree in co-relation 14809. Up to 1439 conditions per place. [2022-12-06 01:13:16,960 INFO L137 encePairwiseOnDemand]: 17/23 looper letters, 25 selfloop transitions, 17 changer transitions 462/504 dead transitions. [2022-12-06 01:13:16,960 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 504 transitions, 9117 flow [2022-12-06 01:13:16,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-06 01:13:16,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-06 01:13:16,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 59 transitions. [2022-12-06 01:13:16,961 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.427536231884058 [2022-12-06 01:13:16,962 INFO L294 CegarLoopForPetriNet]: 36 programPoint places, 19 predicate places. [2022-12-06 01:13:16,962 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:13:16,962 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 504 transitions, 9117 flow [2022-12-06 01:13:16,983 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 504 transitions, 9117 flow [2022-12-06 01:13:16,983 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 01:13:16,985 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 01:13:16,985 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 23 [2022-12-06 01:13:16,985 INFO L495 AbstractCegarLoop]: Abstraction has has 55 places, 504 transitions, 9117 flow [2022-12-06 01:13:16,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:13:16,986 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:13:16,986 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 01:13:16,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-06 01:13:16,986 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-06 01:13:16,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:13:16,987 INFO L85 PathProgramCache]: Analyzing trace with hash -466965808, now seen corresponding path program 1 times [2022-12-06 01:13:16,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:13:16,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423174726] [2022-12-06 01:13:16,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:13:16,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:13:17,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:13:18,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 01:13:18,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:13:18,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423174726] [2022-12-06 01:13:18,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423174726] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:13:18,107 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:13:18,107 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-06 01:13:18,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132665812] [2022-12-06 01:13:18,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:13:18,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-06 01:13:18,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:13:18,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-06 01:13:18,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-12-06 01:13:18,108 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 23 [2022-12-06 01:13:18,108 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 504 transitions, 9117 flow. Second operand has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:13:18,108 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:13:18,108 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 23 [2022-12-06 01:13:18,108 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:13:18,893 INFO L130 PetriNetUnfolder]: 1153/2047 cut-off events. [2022-12-06 01:13:18,893 INFO L131 PetriNetUnfolder]: For 24/24 co-relation queries the response was YES. [2022-12-06 01:13:18,895 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20537 conditions, 2047 events. 1153/2047 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 176. Compared 12030 event pairs, 0 based on Foata normal form. 0/1825 useless extension candidates. Maximal degree in co-relation 20502. Up to 1843 conditions per place. [2022-12-06 01:13:18,900 INFO L137 encePairwiseOnDemand]: 12/23 looper letters, 0 selfloop transitions, 0 changer transitions 671/671 dead transitions. [2022-12-06 01:13:18,900 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 671 transitions, 13480 flow [2022-12-06 01:13:18,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-06 01:13:18,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-12-06 01:13:18,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 89 transitions. [2022-12-06 01:13:18,903 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.42995169082125606 [2022-12-06 01:13:18,903 INFO L294 CegarLoopForPetriNet]: 36 programPoint places, 26 predicate places. [2022-12-06 01:13:18,903 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:13:18,903 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 671 transitions, 13480 flow [2022-12-06 01:13:18,927 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 671 transitions, 13480 flow [2022-12-06 01:13:18,928 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 01:13:18,929 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 01:13:18,930 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 27 [2022-12-06 01:13:18,930 INFO L495 AbstractCegarLoop]: Abstraction has has 62 places, 671 transitions, 13480 flow [2022-12-06 01:13:18,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:13:18,932 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2022-12-06 01:13:18,932 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2022-12-06 01:13:18,932 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 6 remaining) [2022-12-06 01:13:18,933 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2022-12-06 01:13:18,933 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2022-12-06 01:13:18,933 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2022-12-06 01:13:18,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-06 01:13:18,933 INFO L458 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 01:13:18,937 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-06 01:13:18,937 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-06 01:13:18,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 01:13:18 BasicIcfg [2022-12-06 01:13:18,939 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-06 01:13:18,940 INFO L158 Benchmark]: Toolchain (without parser) took 14319.77ms. Allocated memory was 190.8MB in the beginning and 499.1MB in the end (delta: 308.3MB). Free memory was 166.3MB in the beginning and 299.9MB in the end (delta: -133.6MB). Peak memory consumption was 175.2MB. Max. memory is 8.0GB. [2022-12-06 01:13:18,940 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 190.8MB. Free memory is still 167.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 01:13:18,940 INFO L158 Benchmark]: CACSL2BoogieTranslator took 579.74ms. Allocated memory is still 190.8MB. Free memory was 166.3MB in the beginning and 140.1MB in the end (delta: 26.2MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2022-12-06 01:13:18,940 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.09ms. Allocated memory is still 190.8MB. Free memory was 140.1MB in the beginning and 137.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 01:13:18,940 INFO L158 Benchmark]: Boogie Preprocessor took 33.29ms. Allocated memory is still 190.8MB. Free memory was 137.5MB in the beginning and 135.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 01:13:18,941 INFO L158 Benchmark]: RCFGBuilder took 641.01ms. Allocated memory is still 190.8MB. Free memory was 135.4MB in the beginning and 99.8MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 8.0GB. [2022-12-06 01:13:18,941 INFO L158 Benchmark]: TraceAbstraction took 12989.95ms. Allocated memory was 190.8MB in the beginning and 499.1MB in the end (delta: 308.3MB). Free memory was 98.7MB in the beginning and 299.9MB in the end (delta: -201.2MB). Peak memory consumption was 108.1MB. Max. memory is 8.0GB. [2022-12-06 01:13:18,942 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 190.8MB. Free memory is still 167.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 579.74ms. Allocated memory is still 190.8MB. Free memory was 166.3MB in the beginning and 140.1MB in the end (delta: 26.2MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 70.09ms. Allocated memory is still 190.8MB. Free memory was 140.1MB in the beginning and 137.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 33.29ms. Allocated memory is still 190.8MB. Free memory was 137.5MB in the beginning and 135.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 641.01ms. Allocated memory is still 190.8MB. Free memory was 135.4MB in the beginning and 99.8MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 8.0GB. * TraceAbstraction took 12989.95ms. Allocated memory was 190.8MB in the beginning and 499.1MB in the end (delta: 308.3MB). Free memory was 98.7MB in the beginning and 299.9MB in the end (delta: -201.2MB). Peak memory consumption was 108.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.1s, 112 PlacesBefore, 36 PlacesAfterwards, 104 TransitionsBefore, 27 TransitionsAfterwards, 1906 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 37 TrivialYvCompositions, 42 ConcurrentYvCompositions, 1 ChoiceCompositions, 81 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1412, independent: 1357, independent conditional: 1357, independent unconditional: 0, dependent: 55, dependent conditional: 55, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1412, independent: 1357, independent conditional: 0, independent unconditional: 1357, dependent: 55, dependent conditional: 0, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1412, independent: 1357, independent conditional: 0, independent unconditional: 1357, dependent: 55, dependent conditional: 0, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1412, independent: 1357, independent conditional: 0, independent unconditional: 1357, dependent: 55, dependent conditional: 0, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1200, independent: 1160, independent conditional: 0, independent unconditional: 1160, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1200, independent: 1145, independent conditional: 0, independent unconditional: 1145, dependent: 55, dependent conditional: 0, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 55, independent: 15, independent conditional: 0, independent unconditional: 15, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 268, independent: 15, independent conditional: 0, independent unconditional: 15, dependent: 252, dependent conditional: 0, dependent unconditional: 252, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1412, independent: 197, independent conditional: 0, independent unconditional: 197, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 1200, unknown conditional: 0, unknown unconditional: 1200] , Statistics on independence cache: Total cache size (in pairs): 1807, Positive cache size: 1767, Positive conditional cache size: 0, Positive unconditional cache size: 1767, Negative cache size: 40, Negative conditional cache size: 0, Negative unconditional cache size: 40, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.4s, 36 PlacesBefore, 33 PlacesAfterwards, 38 TransitionsBefore, 35 TransitionsAfterwards, 126 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 36 PlacesBefore, 36 PlacesAfterwards, 83 TransitionsBefore, 83 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 38 PlacesBefore, 38 PlacesAfterwards, 118 TransitionsBefore, 118 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 41 PlacesBefore, 41 PlacesAfterwards, 190 TransitionsBefore, 190 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 44 PlacesBefore, 44 PlacesAfterwards, 332 TransitionsBefore, 332 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 48 PlacesBefore, 48 PlacesAfterwards, 409 TransitionsBefore, 409 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 50 PlacesBefore, 50 PlacesAfterwards, 521 TransitionsBefore, 521 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 55 PlacesBefore, 55 PlacesAfterwards, 504 TransitionsBefore, 504 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 62 PlacesBefore, 62 PlacesAfterwards, 671 TransitionsBefore, 671 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, 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 7 procedures, 134 locations, 6 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: 12.9s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 394 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 394 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 68 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 699 IncrementalHoareTripleChecker+Invalid, 767 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 68 mSolverCounterUnsat, 0 mSDtfsCounter, 699 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13480occurred in iteration=9, InterpolantAutomatonStates: 41, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 111 NumberOfCodeBlocks, 111 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 102 ConstructedInterpolants, 0 QuantifiedInterpolants, 720 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-06 01:13:18,964 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...