/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithDisjunctivePredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe012_tso.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-a802222-m [2022-12-13 12:01:09,707 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 12:01:09,708 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 12:01:09,759 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 12:01:09,759 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 12:01:09,760 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 12:01:09,762 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 12:01:09,763 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 12:01:09,765 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 12:01:09,766 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 12:01:09,767 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 12:01:09,768 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 12:01:09,768 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 12:01:09,769 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 12:01:09,770 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 12:01:09,771 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 12:01:09,771 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 12:01:09,772 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 12:01:09,774 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 12:01:09,775 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 12:01:09,776 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 12:01:09,784 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 12:01:09,788 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 12:01:09,789 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 12:01:09,794 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 12:01:09,795 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 12:01:09,795 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 12:01:09,796 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 12:01:09,796 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 12:01:09,797 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 12:01:09,797 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 12:01:09,797 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 12:01:09,798 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 12:01:09,799 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 12:01:09,800 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 12:01:09,800 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 12:01:09,800 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 12:01:09,801 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 12:01:09,801 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 12:01:09,801 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 12:01:09,802 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 12:01:09,812 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithDisjunctivePredicates.epf [2022-12-13 12:01:09,842 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 12:01:09,842 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 12:01:09,844 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 12:01:09,844 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 12:01:09,844 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 12:01:09,845 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 12:01:09,845 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 12:01:09,845 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 12:01:09,845 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 12:01:09,845 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 12:01:09,846 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 12:01:09,846 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 12:01:09,846 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 12:01:09,846 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 12:01:09,846 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 12:01:09,847 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 12:01:09,847 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 12:01:09,847 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 12:01:09,847 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 12:01:09,847 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-13 12:01:09,847 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 12:01:09,847 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:01:09,848 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 12:01:09,848 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 12:01:09,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 12:01:09,848 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 12:01:09,848 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 12:01:09,848 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-13 12:01:09,848 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-13 12:01:10,199 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 12:01:10,226 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 12:01:10,228 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 12:01:10,229 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 12:01:10,229 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 12:01:10,231 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe012_tso.i [2022-12-13 12:01:11,384 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 12:01:11,654 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 12:01:11,655 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe012_tso.i [2022-12-13 12:01:11,665 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9b9577e8/a1708ca93fb4474182c06d5c31402984/FLAG9b3950055 [2022-12-13 12:01:11,684 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9b9577e8/a1708ca93fb4474182c06d5c31402984 [2022-12-13 12:01:11,687 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 12:01:11,688 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-13 12:01:11,692 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 12:01:11,692 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 12:01:11,694 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 12:01:11,695 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:01:11" (1/1) ... [2022-12-13 12:01:11,696 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ceb0283 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:01:11, skipping insertion in model container [2022-12-13 12:01:11,696 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:01:11" (1/1) ... [2022-12-13 12:01:11,701 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 12:01:11,753 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 12:01:11,923 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/safe012_tso.i[945,958] [2022-12-13 12:01:12,079 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:01:12,080 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:01:12,080 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:01:12,080 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:01:12,081 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:01:12,081 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:01:12,081 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:01:12,082 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:01:12,083 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:01:12,083 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:01:12,083 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:01:12,084 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:01:12,084 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:01:12,084 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:01:12,084 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:01:12,084 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:01:12,085 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:01:12,085 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:01:12,085 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:01:12,086 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:01:12,086 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:01:12,086 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:01:12,086 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:01:12,087 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:01:12,093 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:01:12,094 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:01:12,095 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:01:12,100 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:01:12,100 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:01:12,102 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:01:12,104 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:01:12,113 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 12:01:12,125 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/safe012_tso.i[945,958] [2022-12-13 12:01:12,152 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:01:12,152 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:01:12,152 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:01:12,152 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:01:12,153 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:01:12,153 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:01:12,153 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:01:12,153 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:01:12,154 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:01:12,154 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:01:12,154 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:01:12,154 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:01:12,154 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:01:12,155 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:01:12,155 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:01:12,155 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:01:12,156 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:01:12,156 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:01:12,156 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:01:12,156 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:01:12,156 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:01:12,157 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:01:12,157 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:01:12,157 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:01:12,160 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:01:12,160 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:01:12,160 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:01:12,161 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:01:12,161 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:01:12,161 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:01:12,162 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:01:12,196 INFO L208 MainTranslator]: Completed translation [2022-12-13 12:01:12,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:01:12 WrapperNode [2022-12-13 12:01:12,197 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 12:01:12,199 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 12:01:12,199 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 12:01:12,199 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 12:01:12,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:01:12" (1/1) ... [2022-12-13 12:01:12,218 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:01:12" (1/1) ... [2022-12-13 12:01:12,233 INFO L138 Inliner]: procedures = 176, calls = 53, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 72 [2022-12-13 12:01:12,234 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 12:01:12,235 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 12:01:12,235 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 12:01:12,235 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 12:01:12,242 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:01:12" (1/1) ... [2022-12-13 12:01:12,243 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:01:12" (1/1) ... [2022-12-13 12:01:12,246 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:01:12" (1/1) ... [2022-12-13 12:01:12,247 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:01:12" (1/1) ... [2022-12-13 12:01:12,251 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:01:12" (1/1) ... [2022-12-13 12:01:12,253 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:01:12" (1/1) ... [2022-12-13 12:01:12,254 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:01:12" (1/1) ... [2022-12-13 12:01:12,255 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:01:12" (1/1) ... [2022-12-13 12:01:12,287 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 12:01:12,288 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 12:01:12,288 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 12:01:12,288 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 12:01:12,289 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:01:12" (1/1) ... [2022-12-13 12:01:12,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:01:12,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-13 12:01:12,320 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 12:01:12,322 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 12:01:12,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 12:01:12,350 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-13 12:01:12,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 12:01:12,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 12:01:12,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 12:01:12,350 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-13 12:01:12,351 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-13 12:01:12,351 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-13 12:01:12,351 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-13 12:01:12,351 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-12-13 12:01:12,351 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-12-13 12:01:12,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 12:01:12,351 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-13 12:01:12,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 12:01:12,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 12:01:12,353 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-13 12:01:12,474 INFO L236 CfgBuilder]: Building ICFG [2022-12-13 12:01:12,475 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 12:01:12,690 INFO L277 CfgBuilder]: Performing block encoding [2022-12-13 12:01:12,695 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 12:01:12,695 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 12:01:12,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:01:12 BoogieIcfgContainer [2022-12-13 12:01:12,697 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 12:01:12,699 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 12:01:12,699 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 12:01:12,702 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 12:01:12,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 12:01:11" (1/3) ... [2022-12-13 12:01:12,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f635fd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:01:12, skipping insertion in model container [2022-12-13 12:01:12,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:01:12" (2/3) ... [2022-12-13 12:01:12,704 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f635fd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:01:12, skipping insertion in model container [2022-12-13 12:01:12,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:01:12" (3/3) ... [2022-12-13 12:01:12,705 INFO L112 eAbstractionObserver]: Analyzing ICFG safe012_tso.i [2022-12-13 12:01:12,722 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 12:01:12,723 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 12:01:12,723 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 12:01:12,797 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-13 12:01:12,835 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 94 places, 86 transitions, 187 flow [2022-12-13 12:01:12,897 INFO L130 PetriNetUnfolder]: 2/83 cut-off events. [2022-12-13 12:01:12,897 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 12:01:12,902 INFO L83 FinitePrefix]: Finished finitePrefix Result has 93 conditions, 83 events. 2/83 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 46 event pairs, 0 based on Foata normal form. 0/80 useless extension candidates. Maximal degree in co-relation 64. Up to 2 conditions per place. [2022-12-13 12:01:12,902 INFO L82 GeneralOperation]: Start removeDead. Operand has 94 places, 86 transitions, 187 flow [2022-12-13 12:01:12,906 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 80 places, 71 transitions, 151 flow [2022-12-13 12:01:12,908 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 12:01:12,933 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 80 places, 71 transitions, 151 flow [2022-12-13 12:01:12,938 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 80 places, 71 transitions, 151 flow [2022-12-13 12:01:12,971 INFO L130 PetriNetUnfolder]: 1/71 cut-off events. [2022-12-13 12:01:12,972 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 12:01:12,973 INFO L83 FinitePrefix]: Finished finitePrefix Result has 81 conditions, 71 events. 1/71 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 37 event pairs, 0 based on Foata normal form. 0/70 useless extension candidates. Maximal degree in co-relation 52. Up to 2 conditions per place. [2022-12-13 12:01:12,976 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 80 places, 71 transitions, 151 flow [2022-12-13 12:01:12,976 INFO L226 LiptonReduction]: Number of co-enabled transitions 1044 [2022-12-13 12:01:15,320 INFO L241 LiptonReduction]: Total number of compositions: 54 [2022-12-13 12:01:15,333 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 12:01:15,339 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;@6d1024da, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 12:01:15,339 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-13 12:01:15,343 INFO L130 PetriNetUnfolder]: 0/16 cut-off events. [2022-12-13 12:01:15,343 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 12:01:15,344 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 12:01:15,344 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:01:15,345 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-13 12:01:15,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:01:15,349 INFO L85 PathProgramCache]: Analyzing trace with hash -1767221015, now seen corresponding path program 1 times [2022-12-13 12:01:15,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:01:15,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681313333] [2022-12-13 12:01:15,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:01:15,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:01:15,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:01:15,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:01:15,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:01:15,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681313333] [2022-12-13 12:01:15,890 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681313333] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:01:15,894 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:01:15,894 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 12:01:15,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376330230] [2022-12-13 12:01:15,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:01:15,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:01:15,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:01:15,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:01:15,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:01:15,927 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 27 [2022-12-13 12:01:15,929 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 27 transitions, 63 flow. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:01:15,929 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 12:01:15,929 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 27 [2022-12-13 12:01:15,930 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 12:01:16,097 INFO L130 PetriNetUnfolder]: 383/646 cut-off events. [2022-12-13 12:01:16,098 INFO L131 PetriNetUnfolder]: For 18/18 co-relation queries the response was YES. [2022-12-13 12:01:16,103 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1293 conditions, 646 events. 383/646 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 2968 event pairs, 199 based on Foata normal form. 16/503 useless extension candidates. Maximal degree in co-relation 1282. Up to 519 conditions per place. [2022-12-13 12:01:16,110 INFO L137 encePairwiseOnDemand]: 23/27 looper letters, 26 selfloop transitions, 2 changer transitions 0/37 dead transitions. [2022-12-13 12:01:16,110 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 37 transitions, 145 flow [2022-12-13 12:01:16,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:01:16,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 12:01:16,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 58 transitions. [2022-12-13 12:01:16,121 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.7160493827160493 [2022-12-13 12:01:16,122 INFO L175 Difference]: Start difference. First operand has 36 places, 27 transitions, 63 flow. Second operand 3 states and 58 transitions. [2022-12-13 12:01:16,123 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 37 transitions, 145 flow [2022-12-13 12:01:16,125 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 37 transitions, 140 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-12-13 12:01:16,128 INFO L231 Difference]: Finished difference. Result has 36 places, 26 transitions, 66 flow [2022-12-13 12:01:16,130 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=27, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=66, PETRI_PLACES=36, PETRI_TRANSITIONS=26} [2022-12-13 12:01:16,134 INFO L295 CegarLoopForPetriNet]: 36 programPoint places, 0 predicate places. [2022-12-13 12:01:16,134 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 12:01:16,134 INFO L89 Accepts]: Start accepts. Operand has 36 places, 26 transitions, 66 flow [2022-12-13 12:01:16,137 INFO L95 Accepts]: Finished accepts. [2022-12-13 12:01:16,137 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 12:01:16,137 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 26 transitions, 66 flow [2022-12-13 12:01:16,146 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 36 places, 26 transitions, 66 flow [2022-12-13 12:01:16,149 INFO L130 PetriNetUnfolder]: 0/26 cut-off events. [2022-12-13 12:01:16,150 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 12:01:16,150 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39 conditions, 26 events. 0/26 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 54 event pairs, 0 based on Foata normal form. 0/18 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2022-12-13 12:01:16,152 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 26 transitions, 66 flow [2022-12-13 12:01:16,152 INFO L226 LiptonReduction]: Number of co-enabled transitions 356 [2022-12-13 12:01:16,224 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 12:01:16,227 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 93 [2022-12-13 12:01:16,227 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 26 transitions, 66 flow [2022-12-13 12:01:16,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:01:16,227 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 12:01:16,227 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:01:16,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 12:01:16,228 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-13 12:01:16,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:01:16,229 INFO L85 PathProgramCache]: Analyzing trace with hash 1050723259, now seen corresponding path program 1 times [2022-12-13 12:01:16,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:01:16,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564773441] [2022-12-13 12:01:16,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:01:16,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:01:16,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:01:16,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:01:16,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:01:16,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564773441] [2022-12-13 12:01:16,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564773441] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:01:16,388 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:01:16,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 12:01:16,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291868944] [2022-12-13 12:01:16,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:01:16,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:01:16,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:01:16,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:01:16,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:01:16,391 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 26 [2022-12-13 12:01:16,391 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 26 transitions, 66 flow. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:01:16,391 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 12:01:16,391 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 26 [2022-12-13 12:01:16,391 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 12:01:16,579 INFO L130 PetriNetUnfolder]: 678/1138 cut-off events. [2022-12-13 12:01:16,579 INFO L131 PetriNetUnfolder]: For 137/137 co-relation queries the response was YES. [2022-12-13 12:01:16,583 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2408 conditions, 1138 events. 678/1138 cut-off events. For 137/137 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 6193 event pairs, 89 based on Foata normal form. 20/935 useless extension candidates. Maximal degree in co-relation 2397. Up to 559 conditions per place. [2022-12-13 12:01:16,589 INFO L137 encePairwiseOnDemand]: 20/26 looper letters, 40 selfloop transitions, 7 changer transitions 0/54 dead transitions. [2022-12-13 12:01:16,589 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 54 transitions, 228 flow [2022-12-13 12:01:16,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 12:01:16,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-13 12:01:16,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 84 transitions. [2022-12-13 12:01:16,592 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.6461538461538462 [2022-12-13 12:01:16,592 INFO L175 Difference]: Start difference. First operand has 36 places, 26 transitions, 66 flow. Second operand 5 states and 84 transitions. [2022-12-13 12:01:16,592 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 54 transitions, 228 flow [2022-12-13 12:01:16,593 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 54 transitions, 220 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 12:01:16,594 INFO L231 Difference]: Finished difference. Result has 41 places, 31 transitions, 110 flow [2022-12-13 12:01:16,594 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=26, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=110, PETRI_PLACES=41, PETRI_TRANSITIONS=31} [2022-12-13 12:01:16,595 INFO L295 CegarLoopForPetriNet]: 36 programPoint places, 5 predicate places. [2022-12-13 12:01:16,595 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 12:01:16,595 INFO L89 Accepts]: Start accepts. Operand has 41 places, 31 transitions, 110 flow [2022-12-13 12:01:16,596 INFO L95 Accepts]: Finished accepts. [2022-12-13 12:01:16,596 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 12:01:16,597 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 31 transitions, 110 flow [2022-12-13 12:01:16,597 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 41 places, 31 transitions, 110 flow [2022-12-13 12:01:16,607 INFO L130 PetriNetUnfolder]: 7/55 cut-off events. [2022-12-13 12:01:16,607 INFO L131 PetriNetUnfolder]: For 17/18 co-relation queries the response was YES. [2022-12-13 12:01:16,607 INFO L83 FinitePrefix]: Finished finitePrefix Result has 115 conditions, 55 events. 7/55 cut-off events. For 17/18 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 190 event pairs, 1 based on Foata normal form. 0/39 useless extension candidates. Maximal degree in co-relation 104. Up to 16 conditions per place. [2022-12-13 12:01:16,608 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 31 transitions, 110 flow [2022-12-13 12:01:16,608 INFO L226 LiptonReduction]: Number of co-enabled transitions 422 [2022-12-13 12:01:16,611 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 12:01:16,613 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 18 [2022-12-13 12:01:16,613 INFO L495 AbstractCegarLoop]: Abstraction has has 41 places, 31 transitions, 110 flow [2022-12-13 12:01:16,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:01:16,614 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 12:01:16,614 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:01:16,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 12:01:16,614 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-13 12:01:16,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:01:16,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1103915799, now seen corresponding path program 1 times [2022-12-13 12:01:16,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:01:16,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16731496] [2022-12-13 12:01:16,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:01:16,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:01:16,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:01:16,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:01:16,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:01:16,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16731496] [2022-12-13 12:01:16,748 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16731496] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:01:16,748 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:01:16,748 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 12:01:16,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669646834] [2022-12-13 12:01:16,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:01:16,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:01:16,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:01:16,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:01:16,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:01:16,750 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 26 [2022-12-13 12:01:16,751 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 31 transitions, 110 flow. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:01:16,754 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 12:01:16,755 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 26 [2022-12-13 12:01:16,755 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 12:01:16,871 INFO L130 PetriNetUnfolder]: 525/942 cut-off events. [2022-12-13 12:01:16,871 INFO L131 PetriNetUnfolder]: For 497/497 co-relation queries the response was YES. [2022-12-13 12:01:16,876 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2386 conditions, 942 events. 525/942 cut-off events. For 497/497 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 5182 event pairs, 145 based on Foata normal form. 12/761 useless extension candidates. Maximal degree in co-relation 2372. Up to 605 conditions per place. [2022-12-13 12:01:16,886 INFO L137 encePairwiseOnDemand]: 23/26 looper letters, 27 selfloop transitions, 3 changer transitions 0/39 dead transitions. [2022-12-13 12:01:16,886 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 39 transitions, 193 flow [2022-12-13 12:01:16,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:01:16,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 12:01:16,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 51 transitions. [2022-12-13 12:01:16,888 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.6538461538461539 [2022-12-13 12:01:16,888 INFO L175 Difference]: Start difference. First operand has 41 places, 31 transitions, 110 flow. Second operand 3 states and 51 transitions. [2022-12-13 12:01:16,888 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 39 transitions, 193 flow [2022-12-13 12:01:16,894 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 39 transitions, 190 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 12:01:16,895 INFO L231 Difference]: Finished difference. Result has 43 places, 31 transitions, 118 flow [2022-12-13 12:01:16,896 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=26, PETRI_DIFFERENCE_MINUEND_FLOW=107, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=118, PETRI_PLACES=43, PETRI_TRANSITIONS=31} [2022-12-13 12:01:16,897 INFO L295 CegarLoopForPetriNet]: 36 programPoint places, 7 predicate places. [2022-12-13 12:01:16,897 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 12:01:16,897 INFO L89 Accepts]: Start accepts. Operand has 43 places, 31 transitions, 118 flow [2022-12-13 12:01:16,898 INFO L95 Accepts]: Finished accepts. [2022-12-13 12:01:16,899 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 12:01:16,899 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 43 places, 31 transitions, 118 flow [2022-12-13 12:01:16,900 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 43 places, 31 transitions, 118 flow [2022-12-13 12:01:16,905 INFO L130 PetriNetUnfolder]: 6/50 cut-off events. [2022-12-13 12:01:16,905 INFO L131 PetriNetUnfolder]: For 22/23 co-relation queries the response was YES. [2022-12-13 12:01:16,905 INFO L83 FinitePrefix]: Finished finitePrefix Result has 113 conditions, 50 events. 6/50 cut-off events. For 22/23 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 154 event pairs, 1 based on Foata normal form. 1/37 useless extension candidates. Maximal degree in co-relation 100. Up to 14 conditions per place. [2022-12-13 12:01:16,906 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 43 places, 31 transitions, 118 flow [2022-12-13 12:01:16,906 INFO L226 LiptonReduction]: Number of co-enabled transitions 420 [2022-12-13 12:01:16,911 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 12:01:16,912 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 15 [2022-12-13 12:01:16,912 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 31 transitions, 118 flow [2022-12-13 12:01:16,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:01:16,913 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 12:01:16,913 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:01:16,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 12:01:16,913 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-13 12:01:16,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:01:16,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1011748211, now seen corresponding path program 1 times [2022-12-13 12:01:16,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:01:16,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503770300] [2022-12-13 12:01:16,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:01:16,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:01:16,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:01:17,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:01:17,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:01:17,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503770300] [2022-12-13 12:01:17,026 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503770300] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:01:17,026 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:01:17,026 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 12:01:17,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503960785] [2022-12-13 12:01:17,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:01:17,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:01:17,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:01:17,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:01:17,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:01:17,029 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 26 [2022-12-13 12:01:17,030 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 31 transitions, 118 flow. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:01:17,030 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 12:01:17,030 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 26 [2022-12-13 12:01:17,030 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 12:01:17,172 INFO L130 PetriNetUnfolder]: 653/1175 cut-off events. [2022-12-13 12:01:17,172 INFO L131 PetriNetUnfolder]: For 1133/1133 co-relation queries the response was YES. [2022-12-13 12:01:17,175 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2833 conditions, 1175 events. 653/1175 cut-off events. For 1133/1133 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 6880 event pairs, 199 based on Foata normal form. 64/966 useless extension candidates. Maximal degree in co-relation 2817. Up to 372 conditions per place. [2022-12-13 12:01:17,178 INFO L137 encePairwiseOnDemand]: 22/26 looper letters, 25 selfloop transitions, 3 changer transitions 10/46 dead transitions. [2022-12-13 12:01:17,178 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 46 transitions, 223 flow [2022-12-13 12:01:17,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 12:01:17,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-13 12:01:17,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 67 transitions. [2022-12-13 12:01:17,179 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.6442307692307693 [2022-12-13 12:01:17,180 INFO L175 Difference]: Start difference. First operand has 43 places, 31 transitions, 118 flow. Second operand 4 states and 67 transitions. [2022-12-13 12:01:17,180 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 46 transitions, 223 flow [2022-12-13 12:01:17,182 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 46 transitions, 217 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 12:01:17,183 INFO L231 Difference]: Finished difference. Result has 46 places, 26 transitions, 98 flow [2022-12-13 12:01:17,183 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=26, PETRI_DIFFERENCE_MINUEND_FLOW=112, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=98, PETRI_PLACES=46, PETRI_TRANSITIONS=26} [2022-12-13 12:01:17,183 INFO L295 CegarLoopForPetriNet]: 36 programPoint places, 10 predicate places. [2022-12-13 12:01:17,184 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 12:01:17,184 INFO L89 Accepts]: Start accepts. Operand has 46 places, 26 transitions, 98 flow [2022-12-13 12:01:17,184 INFO L95 Accepts]: Finished accepts. [2022-12-13 12:01:17,185 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 12:01:17,185 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 26 transitions, 98 flow [2022-12-13 12:01:17,185 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 45 places, 26 transitions, 98 flow [2022-12-13 12:01:17,188 INFO L130 PetriNetUnfolder]: 1/28 cut-off events. [2022-12-13 12:01:17,188 INFO L131 PetriNetUnfolder]: For 23/23 co-relation queries the response was YES. [2022-12-13 12:01:17,188 INFO L83 FinitePrefix]: Finished finitePrefix Result has 71 conditions, 28 events. 1/28 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 54 event pairs, 1 based on Foata normal form. 0/21 useless extension candidates. Maximal degree in co-relation 56. Up to 6 conditions per place. [2022-12-13 12:01:17,189 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 26 transitions, 98 flow [2022-12-13 12:01:17,189 INFO L226 LiptonReduction]: Number of co-enabled transitions 278 [2022-12-13 12:01:17,229 INFO L241 LiptonReduction]: Total number of compositions: 1 [2022-12-13 12:01:17,230 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 46 [2022-12-13 12:01:17,230 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 25 transitions, 94 flow [2022-12-13 12:01:17,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:01:17,230 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 12:01:17,230 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:01:17,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 12:01:17,231 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-13 12:01:17,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:01:17,231 INFO L85 PathProgramCache]: Analyzing trace with hash -1786916726, now seen corresponding path program 1 times [2022-12-13 12:01:17,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:01:17,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702837426] [2022-12-13 12:01:17,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:01:17,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:01:17,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:01:17,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:01:17,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:01:17,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702837426] [2022-12-13 12:01:17,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702837426] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:01:17,320 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:01:17,320 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 12:01:17,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770707283] [2022-12-13 12:01:17,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:01:17,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 12:01:17,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:01:17,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 12:01:17,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:01:17,322 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 25 [2022-12-13 12:01:17,322 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 25 transitions, 94 flow. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:01:17,322 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 12:01:17,322 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 25 [2022-12-13 12:01:17,322 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 12:01:17,415 INFO L130 PetriNetUnfolder]: 509/884 cut-off events. [2022-12-13 12:01:17,415 INFO L131 PetriNetUnfolder]: For 1982/1982 co-relation queries the response was YES. [2022-12-13 12:01:17,417 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2290 conditions, 884 events. 509/884 cut-off events. For 1982/1982 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 4419 event pairs, 194 based on Foata normal form. 60/719 useless extension candidates. Maximal degree in co-relation 2272. Up to 355 conditions per place. [2022-12-13 12:01:17,420 INFO L137 encePairwiseOnDemand]: 21/25 looper letters, 22 selfloop transitions, 3 changer transitions 14/44 dead transitions. [2022-12-13 12:01:17,420 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 44 transitions, 239 flow [2022-12-13 12:01:17,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 12:01:17,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-13 12:01:17,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 64 transitions. [2022-12-13 12:01:17,421 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.64 [2022-12-13 12:01:17,421 INFO L175 Difference]: Start difference. First operand has 43 places, 25 transitions, 94 flow. Second operand 4 states and 64 transitions. [2022-12-13 12:01:17,421 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 44 transitions, 239 flow [2022-12-13 12:01:17,423 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 44 transitions, 194 flow, removed 12 selfloop flow, removed 8 redundant places. [2022-12-13 12:01:17,424 INFO L231 Difference]: Finished difference. Result has 40 places, 24 transitions, 80 flow [2022-12-13 12:01:17,424 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=25, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=80, PETRI_PLACES=40, PETRI_TRANSITIONS=24} [2022-12-13 12:01:17,425 INFO L295 CegarLoopForPetriNet]: 36 programPoint places, 4 predicate places. [2022-12-13 12:01:17,425 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 12:01:17,425 INFO L89 Accepts]: Start accepts. Operand has 40 places, 24 transitions, 80 flow [2022-12-13 12:01:17,426 INFO L95 Accepts]: Finished accepts. [2022-12-13 12:01:17,426 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 12:01:17,426 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 24 transitions, 80 flow [2022-12-13 12:01:17,427 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 39 places, 24 transitions, 80 flow [2022-12-13 12:01:17,429 INFO L130 PetriNetUnfolder]: 1/26 cut-off events. [2022-12-13 12:01:17,429 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-12-13 12:01:17,430 INFO L83 FinitePrefix]: Finished finitePrefix Result has 56 conditions, 26 events. 1/26 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 40 event pairs, 1 based on Foata normal form. 0/20 useless extension candidates. Maximal degree in co-relation 45. Up to 6 conditions per place. [2022-12-13 12:01:17,430 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 24 transitions, 80 flow [2022-12-13 12:01:17,430 INFO L226 LiptonReduction]: Number of co-enabled transitions 192 [2022-12-13 12:01:17,458 INFO L241 LiptonReduction]: Total number of compositions: 1 [2022-12-13 12:01:17,459 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 34 [2022-12-13 12:01:17,459 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 23 transitions, 78 flow [2022-12-13 12:01:17,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:01:17,460 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 12:01:17,460 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:01:17,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 12:01:17,460 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-13 12:01:17,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:01:17,461 INFO L85 PathProgramCache]: Analyzing trace with hash 428593466, now seen corresponding path program 1 times [2022-12-13 12:01:17,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:01:17,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863227404] [2022-12-13 12:01:17,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:01:17,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:01:17,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:01:17,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:01:17,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:01:17,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863227404] [2022-12-13 12:01:17,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863227404] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:01:17,572 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:01:17,573 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 12:01:17,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015581958] [2022-12-13 12:01:17,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:01:17,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:01:17,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:01:17,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:01:17,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:01:17,574 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 23 [2022-12-13 12:01:17,574 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 23 transitions, 78 flow. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:01:17,574 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 12:01:17,574 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 23 [2022-12-13 12:01:17,574 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 12:01:17,690 INFO L130 PetriNetUnfolder]: 548/894 cut-off events. [2022-12-13 12:01:17,690 INFO L131 PetriNetUnfolder]: For 1534/1541 co-relation queries the response was YES. [2022-12-13 12:01:17,692 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2218 conditions, 894 events. 548/894 cut-off events. For 1534/1541 co-relation queries the response was YES. Maximal size of possible extension queue 159. Compared 4411 event pairs, 242 based on Foata normal form. 67/517 useless extension candidates. Maximal degree in co-relation 2204. Up to 667 conditions per place. [2022-12-13 12:01:17,696 INFO L137 encePairwiseOnDemand]: 11/23 looper letters, 23 selfloop transitions, 10 changer transitions 24/60 dead transitions. [2022-12-13 12:01:17,696 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 60 transitions, 293 flow [2022-12-13 12:01:17,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 12:01:17,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-13 12:01:17,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 74 transitions. [2022-12-13 12:01:17,702 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.6434782608695652 [2022-12-13 12:01:17,703 INFO L175 Difference]: Start difference. First operand has 38 places, 23 transitions, 78 flow. Second operand 5 states and 74 transitions. [2022-12-13 12:01:17,703 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 60 transitions, 293 flow [2022-12-13 12:01:17,706 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 60 transitions, 272 flow, removed 2 selfloop flow, removed 4 redundant places. [2022-12-13 12:01:17,707 INFO L231 Difference]: Finished difference. Result has 41 places, 32 transitions, 156 flow [2022-12-13 12:01:17,707 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=23, PETRI_DIFFERENCE_MINUEND_FLOW=66, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=156, PETRI_PLACES=41, PETRI_TRANSITIONS=32} [2022-12-13 12:01:17,709 INFO L295 CegarLoopForPetriNet]: 36 programPoint places, 5 predicate places. [2022-12-13 12:01:17,710 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 12:01:17,710 INFO L89 Accepts]: Start accepts. Operand has 41 places, 32 transitions, 156 flow [2022-12-13 12:01:17,711 INFO L95 Accepts]: Finished accepts. [2022-12-13 12:01:17,711 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 12:01:17,711 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 32 transitions, 156 flow [2022-12-13 12:01:17,712 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 39 places, 32 transitions, 156 flow [2022-12-13 12:01:17,745 INFO L130 PetriNetUnfolder]: 375/591 cut-off events. [2022-12-13 12:01:17,745 INFO L131 PetriNetUnfolder]: For 675/918 co-relation queries the response was YES. [2022-12-13 12:01:17,746 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1846 conditions, 591 events. 375/591 cut-off events. For 675/918 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 2791 event pairs, 213 based on Foata normal form. 0/271 useless extension candidates. Maximal degree in co-relation 1834. Up to 493 conditions per place. [2022-12-13 12:01:17,749 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 32 transitions, 156 flow [2022-12-13 12:01:17,749 INFO L226 LiptonReduction]: Number of co-enabled transitions 126 [2022-12-13 12:01:17,902 INFO L241 LiptonReduction]: Total number of compositions: 2 [2022-12-13 12:01:17,903 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 193 [2022-12-13 12:01:17,903 INFO L495 AbstractCegarLoop]: Abstraction has has 39 places, 32 transitions, 165 flow [2022-12-13 12:01:17,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:01:17,903 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 12:01:17,903 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:01:17,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 12:01:17,903 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-13 12:01:17,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:01:17,904 INFO L85 PathProgramCache]: Analyzing trace with hash -2024004739, now seen corresponding path program 1 times [2022-12-13 12:01:17,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:01:17,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931604645] [2022-12-13 12:01:17,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:01:17,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:01:17,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:01:18,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:01:18,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:01:18,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931604645] [2022-12-13 12:01:18,044 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931604645] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:01:18,044 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:01:18,044 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 12:01:18,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844368086] [2022-12-13 12:01:18,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:01:18,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 12:01:18,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:01:18,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 12:01:18,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:01:18,045 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 29 [2022-12-13 12:01:18,045 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 32 transitions, 165 flow. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:01:18,046 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 12:01:18,046 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 29 [2022-12-13 12:01:18,046 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 12:01:18,166 INFO L130 PetriNetUnfolder]: 398/710 cut-off events. [2022-12-13 12:01:18,166 INFO L131 PetriNetUnfolder]: For 1129/1300 co-relation queries the response was YES. [2022-12-13 12:01:18,167 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2814 conditions, 710 events. 398/710 cut-off events. For 1129/1300 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 3824 event pairs, 65 based on Foata normal form. 73/442 useless extension candidates. Maximal degree in co-relation 2799. Up to 568 conditions per place. [2022-12-13 12:01:18,171 INFO L137 encePairwiseOnDemand]: 11/29 looper letters, 24 selfloop transitions, 19 changer transitions 22/68 dead transitions. [2022-12-13 12:01:18,171 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 68 transitions, 493 flow [2022-12-13 12:01:18,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 12:01:18,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 12:01:18,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 85 transitions. [2022-12-13 12:01:18,188 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.4885057471264368 [2022-12-13 12:01:18,188 INFO L175 Difference]: Start difference. First operand has 39 places, 32 transitions, 165 flow. Second operand 6 states and 85 transitions. [2022-12-13 12:01:18,188 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 68 transitions, 493 flow [2022-12-13 12:01:18,192 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 68 transitions, 481 flow, removed 1 selfloop flow, removed 2 redundant places. [2022-12-13 12:01:18,193 INFO L231 Difference]: Finished difference. Result has 45 places, 41 transitions, 305 flow [2022-12-13 12:01:18,193 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=153, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=305, PETRI_PLACES=45, PETRI_TRANSITIONS=41} [2022-12-13 12:01:18,194 INFO L295 CegarLoopForPetriNet]: 36 programPoint places, 9 predicate places. [2022-12-13 12:01:18,194 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 12:01:18,194 INFO L89 Accepts]: Start accepts. Operand has 45 places, 41 transitions, 305 flow [2022-12-13 12:01:18,195 INFO L95 Accepts]: Finished accepts. [2022-12-13 12:01:18,195 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 12:01:18,195 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 41 transitions, 305 flow [2022-12-13 12:01:18,196 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 43 places, 41 transitions, 305 flow [2022-12-13 12:01:18,232 INFO L130 PetriNetUnfolder]: 252/453 cut-off events. [2022-12-13 12:01:18,233 INFO L131 PetriNetUnfolder]: For 931/1159 co-relation queries the response was YES. [2022-12-13 12:01:18,234 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2131 conditions, 453 events. 252/453 cut-off events. For 931/1159 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 2269 event pairs, 63 based on Foata normal form. 2/225 useless extension candidates. Maximal degree in co-relation 2116. Up to 361 conditions per place. [2022-12-13 12:01:18,237 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 43 places, 41 transitions, 305 flow [2022-12-13 12:01:18,237 INFO L226 LiptonReduction]: Number of co-enabled transitions 104 [2022-12-13 12:01:18,503 INFO L241 LiptonReduction]: Total number of compositions: 3 [2022-12-13 12:01:18,504 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 310 [2022-12-13 12:01:18,504 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 41 transitions, 326 flow [2022-12-13 12:01:18,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:01:18,505 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 12:01:18,505 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:01:18,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 12:01:18,505 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-13 12:01:18,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:01:18,505 INFO L85 PathProgramCache]: Analyzing trace with hash 829224475, now seen corresponding path program 1 times [2022-12-13 12:01:18,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:01:18,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285473527] [2022-12-13 12:01:18,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:01:18,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:01:18,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:01:18,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:01:18,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:01:18,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285473527] [2022-12-13 12:01:18,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285473527] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:01:18,627 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:01:18,627 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 12:01:18,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890537300] [2022-12-13 12:01:18,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:01:18,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 12:01:18,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:01:18,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 12:01:18,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:01:18,629 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 35 [2022-12-13 12:01:18,629 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 41 transitions, 326 flow. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:01:18,629 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 12:01:18,629 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 35 [2022-12-13 12:01:18,630 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 12:01:18,759 INFO L130 PetriNetUnfolder]: 170/395 cut-off events. [2022-12-13 12:01:18,759 INFO L131 PetriNetUnfolder]: For 1089/1170 co-relation queries the response was YES. [2022-12-13 12:01:18,760 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2115 conditions, 395 events. 170/395 cut-off events. For 1089/1170 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 2273 event pairs, 2 based on Foata normal form. 57/280 useless extension candidates. Maximal degree in co-relation 2097. Up to 313 conditions per place. [2022-12-13 12:01:18,762 INFO L137 encePairwiseOnDemand]: 11/35 looper letters, 14 selfloop transitions, 28 changer transitions 12/57 dead transitions. [2022-12-13 12:01:18,762 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 57 transitions, 553 flow [2022-12-13 12:01:18,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 12:01:18,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-13 12:01:18,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 77 transitions. [2022-12-13 12:01:18,764 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.3142857142857143 [2022-12-13 12:01:18,764 INFO L175 Difference]: Start difference. First operand has 43 places, 41 transitions, 326 flow. Second operand 7 states and 77 transitions. [2022-12-13 12:01:18,764 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 57 transitions, 553 flow [2022-12-13 12:01:18,769 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 57 transitions, 443 flow, removed 45 selfloop flow, removed 4 redundant places. [2022-12-13 12:01:18,770 INFO L231 Difference]: Finished difference. Result has 48 places, 41 transitions, 314 flow [2022-12-13 12:01:18,770 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=35, PETRI_DIFFERENCE_MINUEND_FLOW=234, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=314, PETRI_PLACES=48, PETRI_TRANSITIONS=41} [2022-12-13 12:01:18,772 INFO L295 CegarLoopForPetriNet]: 36 programPoint places, 12 predicate places. [2022-12-13 12:01:18,772 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 12:01:18,772 INFO L89 Accepts]: Start accepts. Operand has 48 places, 41 transitions, 314 flow [2022-12-13 12:01:18,773 INFO L95 Accepts]: Finished accepts. [2022-12-13 12:01:18,773 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 12:01:18,773 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 48 places, 41 transitions, 314 flow [2022-12-13 12:01:18,773 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 46 places, 41 transitions, 314 flow [2022-12-13 12:01:18,788 INFO L130 PetriNetUnfolder]: 81/225 cut-off events. [2022-12-13 12:01:18,788 INFO L131 PetriNetUnfolder]: For 430/454 co-relation queries the response was YES. [2022-12-13 12:01:18,788 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1027 conditions, 225 events. 81/225 cut-off events. For 430/454 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 1204 event pairs, 0 based on Foata normal form. 1/121 useless extension candidates. Maximal degree in co-relation 1011. Up to 163 conditions per place. [2022-12-13 12:01:18,790 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 41 transitions, 314 flow [2022-12-13 12:01:18,790 INFO L226 LiptonReduction]: Number of co-enabled transitions 86 [2022-12-13 12:01:19,205 INFO L241 LiptonReduction]: Total number of compositions: 3 [2022-12-13 12:01:19,206 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 434 [2022-12-13 12:01:19,206 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 38 transitions, 318 flow [2022-12-13 12:01:19,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:01:19,206 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 12:01:19,207 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:01:19,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 12:01:19,207 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-13 12:01:19,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:01:19,207 INFO L85 PathProgramCache]: Analyzing trace with hash 442439248, now seen corresponding path program 1 times [2022-12-13 12:01:19,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:01:19,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599344303] [2022-12-13 12:01:19,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:01:19,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:01:19,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:01:19,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:01:19,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:01:19,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599344303] [2022-12-13 12:01:19,295 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599344303] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:01:19,295 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:01:19,295 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 12:01:19,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314256116] [2022-12-13 12:01:19,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:01:19,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:01:19,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:01:19,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:01:19,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:01:19,297 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 32 [2022-12-13 12:01:19,297 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 38 transitions, 318 flow. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:01:19,297 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 12:01:19,297 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 32 [2022-12-13 12:01:19,297 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 12:01:19,502 INFO L130 PetriNetUnfolder]: 89/173 cut-off events. [2022-12-13 12:01:19,502 INFO L131 PetriNetUnfolder]: For 420/420 co-relation queries the response was YES. [2022-12-13 12:01:19,503 INFO L83 FinitePrefix]: Finished finitePrefix Result has 973 conditions, 173 events. 89/173 cut-off events. For 420/420 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 651 event pairs, 0 based on Foata normal form. 27/130 useless extension candidates. Maximal degree in co-relation 962. Up to 136 conditions per place. [2022-12-13 12:01:19,503 INFO L137 encePairwiseOnDemand]: 18/32 looper letters, 0 selfloop transitions, 0 changer transitions 43/43 dead transitions. [2022-12-13 12:01:19,504 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 43 transitions, 408 flow [2022-12-13 12:01:19,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 12:01:19,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-13 12:01:19,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 50 transitions. [2022-12-13 12:01:19,505 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.390625 [2022-12-13 12:01:19,505 INFO L175 Difference]: Start difference. First operand has 43 places, 38 transitions, 318 flow. Second operand 4 states and 50 transitions. [2022-12-13 12:01:19,505 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 43 transitions, 408 flow [2022-12-13 12:01:19,546 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 43 transitions, 243 flow, removed 27 selfloop flow, removed 9 redundant places. [2022-12-13 12:01:19,547 INFO L231 Difference]: Finished difference. Result has 36 places, 0 transitions, 0 flow [2022-12-13 12:01:19,547 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=147, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=36, PETRI_TRANSITIONS=0} [2022-12-13 12:01:19,548 INFO L295 CegarLoopForPetriNet]: 36 programPoint places, 0 predicate places. [2022-12-13 12:01:19,548 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 12:01:19,548 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 0 transitions, 0 flow [2022-12-13 12:01:19,548 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2022-12-13 12:01:19,548 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-13 12:01:19,549 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 12:01:19,549 INFO L83 FinitePrefix]: Finished finitePrefix Result has 0 conditions, 0 events. 0/0 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 0. Compared 0 event pairs, 0 based on Foata normal form. 0/0 useless extension candidates. Maximal degree in co-relation 0. Up to 0 conditions per place. [2022-12-13 12:01:19,549 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 0 places, 0 transitions, 0 flow [2022-12-13 12:01:19,549 INFO L226 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-13 12:01:19,549 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 12:01:19,550 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 2 [2022-12-13 12:01:19,550 INFO L495 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2022-12-13 12:01:19,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:01:19,554 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-12-13 12:01:19,555 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2022-12-13 12:01:19,555 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2022-12-13 12:01:19,555 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2022-12-13 12:01:19,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 12:01:19,555 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:01:19,558 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 12:01:19,558 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 12:01:19,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 12:01:19 BasicIcfg [2022-12-13 12:01:19,561 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 12:01:19,561 INFO L158 Benchmark]: Toolchain (without parser) took 7872.66ms. Allocated memory was 190.8MB in the beginning and 304.1MB in the end (delta: 113.2MB). Free memory was 148.4MB in the beginning and 275.1MB in the end (delta: -126.7MB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-13 12:01:19,561 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 190.8MB. Free memory is still 167.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-13 12:01:19,561 INFO L158 Benchmark]: CACSL2BoogieTranslator took 505.62ms. Allocated memory is still 190.8MB. Free memory was 148.4MB in the beginning and 124.8MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. [2022-12-13 12:01:19,562 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.54ms. Allocated memory is still 190.8MB. Free memory was 124.8MB in the beginning and 123.3MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-13 12:01:19,562 INFO L158 Benchmark]: Boogie Preprocessor took 52.82ms. Allocated memory is still 190.8MB. Free memory was 122.7MB in the beginning and 121.7MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-13 12:01:19,562 INFO L158 Benchmark]: RCFGBuilder took 409.15ms. Allocated memory is still 190.8MB. Free memory was 121.7MB in the beginning and 107.5MB in the end (delta: 14.2MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-12-13 12:01:19,562 INFO L158 Benchmark]: TraceAbstraction took 6861.28ms. Allocated memory was 190.8MB in the beginning and 304.1MB in the end (delta: 113.2MB). Free memory was 106.5MB in the beginning and 275.1MB in the end (delta: -168.6MB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-13 12:01:19,579 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 167.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 505.62ms. Allocated memory is still 190.8MB. Free memory was 148.4MB in the beginning and 124.8MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 35.54ms. Allocated memory is still 190.8MB. Free memory was 124.8MB in the beginning and 123.3MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 52.82ms. Allocated memory is still 190.8MB. Free memory was 122.7MB in the beginning and 121.7MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 409.15ms. Allocated memory is still 190.8MB. Free memory was 121.7MB in the beginning and 107.5MB in the end (delta: 14.2MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 6861.28ms. Allocated memory was 190.8MB in the beginning and 304.1MB in the end (delta: 113.2MB). Free memory was 106.5MB in the beginning and 275.1MB in the end (delta: -168.6MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.3s, 80 PlacesBefore, 36 PlacesAfterwards, 71 TransitionsBefore, 27 TransitionsAfterwards, 1044 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 21 TrivialYvCompositions, 32 ConcurrentYvCompositions, 0 ChoiceCompositions, 54 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1267, independent: 1213, independent conditional: 1213, independent unconditional: 0, dependent: 54, dependent conditional: 54, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1267, independent: 1213, independent conditional: 0, independent unconditional: 1213, dependent: 54, dependent conditional: 0, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1267, independent: 1213, independent conditional: 0, independent unconditional: 1213, dependent: 54, dependent conditional: 0, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1267, independent: 1213, independent conditional: 0, independent unconditional: 1213, dependent: 54, dependent conditional: 0, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 846, independent: 814, independent conditional: 0, independent unconditional: 814, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 846, independent: 792, independent conditional: 0, independent unconditional: 792, dependent: 54, dependent conditional: 0, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 54, independent: 22, independent conditional: 0, independent unconditional: 22, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 118, independent: 46, independent conditional: 0, independent unconditional: 46, dependent: 72, dependent conditional: 0, dependent unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1267, independent: 399, independent conditional: 0, independent unconditional: 399, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 846, unknown conditional: 0, unknown unconditional: 846] , Statistics on independence cache: Total cache size (in pairs): 1310, Positive cache size: 1278, Positive conditional cache size: 0, Positive unconditional cache size: 1278, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.1s, 36 PlacesBefore, 36 PlacesAfterwards, 26 TransitionsBefore, 26 TransitionsAfterwards, 356 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 177, independent: 153, independent conditional: 153, independent unconditional: 0, dependent: 24, dependent conditional: 24, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 177, independent: 153, independent conditional: 13, independent unconditional: 140, dependent: 24, dependent conditional: 4, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 177, independent: 153, independent conditional: 0, independent unconditional: 153, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 177, independent: 153, independent conditional: 0, independent unconditional: 153, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 134, independent: 119, independent conditional: 0, independent unconditional: 119, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 134, independent: 101, independent conditional: 0, independent unconditional: 101, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 33, independent: 18, independent conditional: 0, independent unconditional: 18, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 66, independent: 42, independent conditional: 0, independent unconditional: 42, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 177, independent: 34, independent conditional: 0, independent unconditional: 34, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 134, unknown conditional: 0, unknown unconditional: 134] , Statistics on independence cache: Total cache size (in pairs): 134, Positive cache size: 119, Positive conditional cache size: 0, Positive unconditional cache size: 119, Negative cache size: 15, Negative conditional cache size: 0, Negative unconditional cache size: 15, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 17, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 41 PlacesBefore, 41 PlacesAfterwards, 31 TransitionsBefore, 31 TransitionsAfterwards, 422 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 118, independent: 108, independent conditional: 108, independent unconditional: 0, dependent: 10, dependent conditional: 10, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 118, independent: 108, independent conditional: 37, independent unconditional: 71, dependent: 10, dependent conditional: 6, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 118, independent: 108, independent conditional: 9, independent unconditional: 99, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 118, independent: 108, independent conditional: 9, independent unconditional: 99, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, independent: 6, independent conditional: 0, independent unconditional: 6, 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: 6, independent: 6, independent conditional: 0, independent unconditional: 6, 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: 118, independent: 102, independent conditional: 9, independent unconditional: 93, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , Statistics on independence cache: Total cache size (in pairs): 140, Positive cache size: 125, Positive conditional cache size: 0, Positive unconditional cache size: 125, Negative cache size: 15, Negative conditional cache size: 0, Negative unconditional cache size: 15, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 34, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 43 PlacesBefore, 43 PlacesAfterwards, 31 TransitionsBefore, 31 TransitionsAfterwards, 420 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 84, independent: 74, independent conditional: 74, independent unconditional: 0, dependent: 10, dependent conditional: 10, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 84, independent: 74, independent conditional: 16, independent unconditional: 58, dependent: 10, dependent conditional: 6, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 88, independent: 74, independent conditional: 0, independent unconditional: 74, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 88, independent: 74, independent conditional: 0, independent unconditional: 74, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, independent: 2, independent conditional: 0, independent unconditional: 2, 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: 2, independent: 2, independent conditional: 0, independent unconditional: 2, 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: 88, independent: 72, independent conditional: 0, independent unconditional: 72, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 142, Positive cache size: 127, Positive conditional cache size: 0, Positive unconditional cache size: 127, Negative cache size: 15, Negative conditional cache size: 0, Negative unconditional cache size: 15, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 26, Maximal queried relation: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 45 PlacesBefore, 43 PlacesAfterwards, 26 TransitionsBefore, 25 TransitionsAfterwards, 278 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 261, independent: 230, independent conditional: 230, independent unconditional: 0, dependent: 31, dependent conditional: 31, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 261, independent: 230, independent conditional: 44, independent unconditional: 186, dependent: 31, dependent conditional: 9, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 265, independent: 230, independent conditional: 0, independent unconditional: 230, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 265, independent: 230, independent conditional: 0, independent unconditional: 230, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 22, independent: 20, independent conditional: 0, independent unconditional: 20, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 22, independent: 20, independent conditional: 0, independent unconditional: 20, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 265, independent: 210, independent conditional: 0, independent unconditional: 210, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 22, unknown conditional: 0, unknown unconditional: 22] , Statistics on independence cache: Total cache size (in pairs): 166, Positive cache size: 149, Positive conditional cache size: 0, Positive unconditional cache size: 149, Negative cache size: 17, Negative conditional cache size: 0, Negative unconditional cache size: 17, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 57, Maximal queried relation: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 39 PlacesBefore, 38 PlacesAfterwards, 24 TransitionsBefore, 23 TransitionsAfterwards, 192 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 121, independent: 101, independent conditional: 101, independent unconditional: 0, dependent: 20, dependent conditional: 20, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 121, independent: 101, independent conditional: 14, independent unconditional: 87, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 121, independent: 101, independent conditional: 0, independent unconditional: 101, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 121, independent: 101, independent conditional: 0, independent unconditional: 101, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 17, independent: 17, independent conditional: 0, independent unconditional: 17, 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: 17, independent: 11, independent conditional: 0, independent unconditional: 11, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 6, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 121, independent: 84, independent conditional: 0, independent unconditional: 84, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 17, unknown conditional: 0, unknown unconditional: 17] , Statistics on independence cache: Total cache size (in pairs): 197, Positive cache size: 180, Positive conditional cache size: 0, Positive unconditional cache size: 180, Negative cache size: 17, Negative conditional cache size: 0, Negative unconditional cache size: 17, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 14, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.2s, 39 PlacesBefore, 39 PlacesAfterwards, 32 TransitionsBefore, 32 TransitionsAfterwards, 126 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 51, independent: 51, independent conditional: 51, 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: 51, independent: 51, independent conditional: 30, independent unconditional: 21, 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: 51, independent: 51, independent conditional: 30, independent unconditional: 21, 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: 51, independent: 51, independent conditional: 30, independent unconditional: 21, 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: 1, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 51, independent: 50, independent conditional: 30, independent unconditional: 20, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 246, Positive cache size: 229, Positive conditional cache size: 0, Positive unconditional cache size: 229, Negative cache size: 17, Negative conditional cache size: 0, Negative unconditional cache size: 17, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.3s, 43 PlacesBefore, 43 PlacesAfterwards, 41 TransitionsBefore, 41 TransitionsAfterwards, 104 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 60, independent: 60, independent conditional: 60, 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: 60, independent: 60, independent conditional: 57, independent unconditional: 3, 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: 60, independent: 60, independent conditional: 36, independent unconditional: 24, 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: 60, independent: 60, independent conditional: 36, independent unconditional: 24, 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: 1, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 60, independent: 59, independent conditional: 36, independent unconditional: 23, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 322, Positive cache size: 305, Positive conditional cache size: 0, Positive unconditional cache size: 305, Negative cache size: 17, Negative conditional cache size: 0, Negative unconditional cache size: 17, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 21, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.4s, 46 PlacesBefore, 43 PlacesAfterwards, 41 TransitionsBefore, 38 TransitionsAfterwards, 86 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 54, independent: 54, independent conditional: 54, 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: 54, independent: 54, independent conditional: 54, 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: 54, independent: 54, independent conditional: 18, independent unconditional: 36, 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: 54, independent: 54, independent conditional: 18, independent unconditional: 36, 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: 54, independent: 54, independent conditional: 18, independent unconditional: 36, 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): 423, Positive cache size: 406, Positive conditional cache size: 0, Positive unconditional cache size: 406, Negative cache size: 17, Negative conditional cache size: 0, Negative unconditional cache size: 17, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 36, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 0 PlacesBefore, 0 PlacesAfterwards, 0 TransitionsBefore, 0 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 423, Positive cache size: 406, Positive conditional cache size: 0, Positive unconditional cache size: 406, Negative cache size: 17, Negative conditional cache size: 0, Negative unconditional cache size: 17, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 109 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 6.7s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 241 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 241 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 53 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 594 IncrementalHoareTripleChecker+Invalid, 647 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 53 mSolverCounterUnsat, 7 mSDtfsCounter, 594 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=326occurred in iteration=7, 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, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 92 NumberOfCodeBlocks, 92 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 83 ConstructedInterpolants, 0 QuantifiedInterpolants, 278 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 12:01:19,639 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...